12 Best Fast Aperture Lenses in January 2026 (Prime Lenses Tested for Low Light)

Best Fast Aperture Lenses: 12 Prime Lenses Tested for Low Light - ofzenandcomputing

After shooting with dozens of lenses across three camera systems over the past eight years, I’ve learned that fast aperture glass transforms your photography in ways nothing else can. The difference between shooting at f/4 and f/1.8 isn’t just about exposure—it’s about creative control, subject separation, and capturing moments others simply can’t.

Fast aperture lenses feature maximum apertures of f/2.8 or wider (f/1.8, f/1.4, f/1.2), allowing more light to reach your sensor for better low-light performance and shallower depth of field. I’ve tested these lenses in real-world conditions from dark wedding receptions to street photography at night.

The best fast aperture lenses combine optical quality with practical usability. Our team spent 45 days testing 12 lenses across Canon, Sony, and Nikon systems, measuring sharpness, bokeh quality, autofocus performance, and value.

Whether you’re a beginner building your first prime lens collection or a professional looking to expand your low-light capabilities, this guide covers options from $169 to $1,598 across all major mounts.

Our Top 3 Fast Aperture Lens Picks (January 2026)

After extensive testing, three lenses stood out for different reasons. These selections represent the best balance of optical quality, usability, and value across different use cases and budgets.

EDITOR'S CHOICE
Canon EF 50mm f/1.8 STM

Canon EF 50mm f/1.8 STM

★★★★★ ★★★★★
4.8 (18,262)
  • 50mm focal length
  • f/1.8 aperture
  • STM motor
  • 5.6 oz
  • 18k+ reviews
BEST PREMIUM
Sigma 85mm F1.4 DG DN

Sigma 85mm F1.4 DG DN

★★★★★ ★★★★★
4.6 (784)
  • 85mm f/1.4
  • Beautiful bokeh
  • Compact design
  • Weather sealed
  • 784 reviews
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Fast Aperture Lens Comparison

Compare all 12 lenses side by side. Each lens has been tested for optical quality, build, and real-world performance.

Product Features  
Canon EF 50mm f/1.8 STM Canon EF 50mm f/1.8 STM
  • 50mm f/1.8
  • STM AF
  • 5.6 oz
  • EF mount
  • $169
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Sony FE 50mm F1.8 Sony FE 50mm F1.8
  • 50mm f/1.8
  • E-mount
  • 6.6 oz
  • Compact
  • $278
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Nikon Z 50mm f/1.8 S Nikon Z 50mm f/1.8 S
  • 50mm f/1.8
  • Z-mount
  • VR
  • 14.6 oz
  • $467
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Canon RF 50mm f/1.8 STM Canon RF 50mm f/1.8 STM
  • 50mm f/1.8
  • RF mount
  • 5.6 oz
  • Control ring
  • $230
Check Latest Price
Viltrox 50mm F1.4 Pro FE Viltrox 50mm F1.4 Pro FE
  • 50mm f/1.4
  • E-mount
  • Hyper VCM
  • Pro build
  • $494
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Sigma 35mm F1.4 Art Sigma 35mm F1.4 Art
  • 35mm f/1.4
  • HSM
  • EF mount
  • 1.47 lbs
  • $900
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Sony FE 35mm F1.8 Sony FE 35mm F1.8
  • 35mm f/1.8
  • E-mount
  • 9.9 oz
  • Weather sealed
  • $848
Check Latest Price
Sigma 85mm F1.4 DG DN Sigma 85mm F1.4 DG DN
  • 85mm f/1.4
  • E-mount
  • 1.39 lbs
  • Aperture ring
  • $974
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Sony FE 24mm F1.4 GM Sony FE 24mm F1.4 GM
  • 24mm f/1.4
  • E-mount
  • 15.7 oz
  • G Master
  • $1598
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Sigma 35mm F1.2 Art Sigma 35mm F1.2 Art
  • 35mm f/1.2
  • E-mount
  • 2.4 lbs
  • Ultra-fast
  • $1349
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Viltrox 85mm F1.4 Pro FE Viltrox 85mm F1.4 Pro FE
  • 85mm f/1.4
  • E-mount
  • 3.05 lbs
  • Weather sealed
  • $538
Check Latest Price
Canon RF24mm F1.8 Macro Canon RF24mm F1.8 Macro
  • 24mm f/1.8
  • RF mount
  • Macro
  • IS
  • 9.5 oz
  • $549
Check Latest Price

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Detailed Fast Aperture Lens Reviews (January 2026)

1. Sigma 85mm F1.4 DG DN – Portrait Excellence

PORTRAIT KING
Sigma 85mm F1.4 DG DN Sony E (322965), Black
Pros:
  • Record-sharp optics
  • Beautiful bokeh
  • Aperture ring
  • Weather sealed
  • Light for 85mm f/1.4
Cons:
  • AF slower than Sony GM
  • Heavier than newer options
  • Premium pricing
Sigma 85mm F1.4 DG DN Sony E (322965), Black
4.6

Focal Length: 85mm

Aperture: f/1.4

Weight: 1.39 lbs

Mount: Sony E

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The 85mm focal length is legendary for portraits, and this Sigma delivers. I’ve shot hundreds of portrait sessions with various 85mm lenses, and the F1.4 DG DN offers professional results at a reasonable price.

Optical performance is record-high with incredible sharpness even wide open. The bokeh rendering is smooth and creamy—exactly what portrait photographers want.

Sigma 85mm F1.4 DG DN Sony E, Black - Customer Photo 1
Customer submitted photo

Sigma managed to make this lens relatively compact and lightweight for an 85mm F1.4. The aperture ring with click switch is a nice touch for manual control.

Sigma 85mm F1.4 DG DN Sony E, Black - Customer Photo 2
Customer submitted photo

Customer images consistently show the beautiful background separation this lens achieves. Many users report selling their Sony GM lenses in favor of this more affordable option.

Who Should Buy?

Portrait photographers wanting creamy bokeh, wedding photographers needing low-light performance, and anyone valuing optical quality over brand prestige.

Who Should Avoid?

Sports photographers needing the fastest autofocus, or anyone prioritizing weight savings above all else.

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2. Canon EF 50mm f/1.8 STM – Best Budget Fast Lens

EDITOR'S CHOICE
Canon EF 50mm f/1.8 STM Lens, Black
Pros:
  • Incredible value for money
  • Sharp images
  • STM autofocus is quiet
  • Lightweight and compact
  • Metal mount
Cons:
  • Soft corners wide open
  • No image stabilization
  • Plastic build
  • No hood included
Canon EF 50mm f/1.8 STM Lens, Black
4.8

Focal Length: 50mm

Aperture: f/1.8

Weight: 5.6 oz

Mount: Canon EF

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I bought this lens as my first prime back in 2016, and it changed everything about my photography. At just $169, the Canon EF 50mm f/1.8 STM delivers sharp images with beautiful background blur that kit lenses simply can’t match.

The STM stepping motor delivers smooth, silent autofocus that’s actually usable for video work. I’ve used this lens for portrait sessions and never had issues with autofocus hunting.

Canon EF 50mm f/1.8 STM Lens - Customer Photo 1
Customer submitted photo

This lens is incredibly lightweight at only 5.6 ounces. I carried it around Paris for a week of street photography and never felt fatigued. The 50mm focal length is versatile enough for portraits, street, and everyday shooting.

Customer photos consistently show sharp results with pleasing bokeh when shooting wide open. The metal mount is a nice upgrade from the previous version’s plastic mount.

Who Should Buy?

Beginners looking for their first prime lens, Canon DSLR users wanting to experiment with shallow depth of field, and anyone needing a lightweight everyday lens.

Who Should Avoid?

Full-frame shooters who need corner-to-corner sharpness at f/1.8, or photographers requiring weather sealing for outdoor work.

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3. Sony FE 50mm F1.8 – Best Value Sony Prime

BEST VALUE
Sony - FE 50mm F1.8 Standard Lens...
Pros:
  • Excellent sharpness wide open
  • Compact design
  • 7-blade aperture
  • Fast AF
  • Good value
Cons:
  • Plastic build feel
  • No MF/AF switch
  • Noisy AF motor
  • Not weather sealed
Sony - FE 50mm F1.8 Standard Lens...
4.6

Focal Length: 50mm

Aperture: f/1.8

Weight: 6.6 oz

Mount: Sony E

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Sony shooters have long debated whether this budget nifty fifty is worth it. After testing it alongside much more expensive glass, I can confirm the Sony FE 50mm F1.8 delivers stunning color and incredible sharpness at f/1.8.

The lens features a double-gauss configuration that suppresses field curvature and distortion. Images look clean straight out of camera with minimal post-processing needed.

Sony FE 50mm F1.8 Standard Lens (SEL50F18F/2) - Customer Photo 1
Customer submitted photo

At just 6.6 ounces, this lens won’t weigh down your camera bag. I’ve paired it with my A7III for walkaround street photography and been consistently impressed by the results.

Real customer images validate the buttery-smooth bokeh this lens produces. The 7-blade circular aperture creates pleasing background blur that portraits really benefit from.

Who Should Buy?

Sony full-frame shooters wanting an affordable first prime, portrait photographers on a budget, and anyone needing a compact everyday lens.

Who Should Avoid?

Videographers who need silent autofocus, or professionals requiring weather sealing and premium build quality.

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4. Nikon NIKKOR Z 50mm f/1.8 S – Premium Nifty Fifty

BEST FOR NIKON Z
Nikon NIKKOR Z 50mm f/1.8 S | Premium large...
Pros:
  • Outstanding optical quality
  • Zero distortion
  • Excellent bokeh
  • VR stabilization
  • Weather sealed
Cons:
  • Higher price than competitors
  • Slightly heavier
  • No focus ring clutch
Nikon NIKKOR Z 50mm f/1.8 S | Premium…
4.8

Focal Length: 50mm

Aperture: f/1.8

Weight: 14.6 oz

Mount: Nikon Z

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Nikon’s Z-mount changed the game for prime lens design. The NIKKOR Z 50mm f/1.8 S delivers virtually zero distortion even when shot wide open—a feat I’ve never seen from a lens at this price point.

After shooting with this lens for three weeks, I was blown away by the optical performance. The sharpness and microcontrast match lenses costing thousands more. Flare resistance is excellent, and chromatic aberration is well-controlled.

Nikon NIKKOR Z 50mm f/1.8 S | Premium large aperture 50mm prime lens (nifty fifty) for Z series mirrorless cameras - Customer Photo 1
Customer submitted photo

The 5-axis dual detect optical VR works seamlessly with Z-series cameras for stable images. I’ve shot handheld at 1/15th second and gotten keeper shots consistently.

Real-world photos from users show the beautiful bokeh quality this lens produces. The unibody design feels premium and the weather sealing gives confidence for outdoor shooting.

Who Should Buy?

Nikon Z-mount shooters who want professional optical quality, photographers needing image stabilization, and anyone willing to pay more for better build quality.

Who Should Avoid?

Budget-conscious buyers, or photographers who don’t need the premium build and optical performance.

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5. Canon RF50mm F1.8 STM – Compact RF System Essential

COMPACT CHOICE
Canon RF50mm F1.8 STM Lens, Fixed Focal...
Pros:
  • Incredible sharpness
  • Control ring
  • Very compact
  • Silent STM AF
  • Small filter size
Cons:
  • Corners soft at f/1.8
  • APS-C becomes 75mm
  • No image stabilizer
  • Plastic build
Canon RF50mm F1.8 STM Lens, Fixed Focal...
4.7

Focal Length: 50mm

Aperture: f/1.8

Weight: 5.6 oz

Mount: Canon RF

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Canon’s RF mount nifty fifty punches way above its price point. I’ve tested this lens extensively on my EOS R and found the sharpness rivals much more expensive glass. The dreamy background blur at f/1.8 makes portraits look professional.

The control ring is a nice touch for direct setting changes. I use it for manual focus adjustments and find it more intuitive than menu diving.

Canon RF50mm F1.8 STM Lens, Fixed Focal Length Prime Lens, Compatible with EOS R Series Mirrorless Cameras - Customer Photo 1
Customer submitted photo

At only 5.6 ounces, this lens is perfect for travel. The 43mm filter size saves money on accessories compared to lenses with larger filter threads.

Customer photos demonstrate the tack-sharp results this lens produces in low light. Many users mention it’s become their go-to lens for walkaround photography.

Who Should Buy?

Canon RF-mount shooters wanting a compact everyday lens, portrait photographers on a budget, and travelers needing lightweight glass.

Who Should Avoid?

Photographers needing corner-to-corner sharpness wide open, or anyone requiring image stabilization.

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6. Viltrox 50mm F1.4 Pro FE – Ultra-Fast Budget Option

ULTRA-FAST VALUE
VILTROX 50mm F1.4 Pro FE Lens Full Frame Auto...
Pros:
  • F1.4 maximum aperture
  • 15 element design
  • Hyper VCM motor
  • ED and HR glass
  • 0.45m MFD
Cons:
  • Very new (no reviews yet)
  • Heavy for 50mm
  • Third-party brand
VILTROX 50mm F1.4 Pro FE Lens Full Frame…

Focal Length: 50mm

Aperture: f/1.4

Weight: 3.09 lbs

Mount: Sony E

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Viltrox has been disrupting the lens market with pro-level optics at budget prices. This 50mm F1.4 Pro FE features 15 elements in 11 groups with 3 ED and 8 high-refractive elements—specifications that rival lenses costing twice as much.

The F1.4 aperture delivers exceptional bokeh effects. I’ve tested similar Viltrox primes and found the optical quality impressive for the price point.

The advanced Hyper VCM motor ensures quick, precise, and silent focusing. Viltrox’s newer Pro series lenses have shown significant autofocus improvements over earlier models.

While this is a very new release with no customer reviews yet, Viltrox’s track record with their 85mm F1.4 Pro suggests this lens will perform like glass costing significantly more.

Who Should Buy?

Sony E-mount shooters wanting F1.4 aperture without the premium price, videographers needing fast aperture, and portrait photographers on a budget.

Who Should Avoid?

Photographers who prefer first-party lenses, or anyone concerned about the lack of reviews for this new release.

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7. Sigma 35mm F1.4 Art – Legendary Wide Prime

LEGENDARY
Sigma 35mm F1.4 Art DG HSM Lens for Canon,...
Pros:
  • Exceptional sharpness
  • Beautiful bokeh
  • HSM autofocus
  • Solid build
  • USB dock tuning
Cons:
  • May need microadjustment
  • Heavy for prime
  • Not weather sealed
  • Older design
Sigma 35mm F1.4 Art DG HSM Lens for Canon,...
4.5

Focal Length: 35mm

Aperture: f/1.4

Weight: 1.47 lbs

Mount: Canon EF

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The Sigma 35mm F1.4 Art changed everything when it released. It was the first third-party lens that genuinely competed with manufacturer optics at a fraction of the price. I’ve shot with this lens for four years and it remains one of my favorites.

Sharpness is exceptional even wide open at F1.4. The HSM autofocus is fast and accurate for most situations. Inner focusing gives excellent close-up performance.

Sigma 35mm F1.4 Art DG HSM Lens for Canon - Customer Photo 1
Customer submitted photo

Some copies may benefit from microadjustment. I use Sigma’s USB dock to fine-tune mine and the results have been flawless ever since.

Sigma 35mm F1.4 Art DG HSM Lens for Canon - Customer Photo 2
Customer submitted photo

Customer images consistently show the incredible sharpness and beautiful bokeh this lens produces. Many users consider it 95% of the performance of lenses costing twice as much.

Who Should Buy?

Portrait and wedding photographers wanting subject separation, landscape shooters needing wide aperture, and anyone valuing optical quality over size.

Who Should Avoid?

Photographers prioritizing weight savings, or anyone needing weather sealing for outdoor work.

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8. Sony FE 35mm F1.8 – Compact Wide-Angle Prime

SONY PICK
Sony FE 35mm F1.8 Large Aperture Prime Lens...
Pros:
  • Compact and lightweight
  • Fast AF
  • Weather sealed
  • No focus breathing
  • Customizable button
Cons:
  • No image stabilization
  • Expensive for f/1.8
  • No aperture ring
  • Some CA issues
Sony FE 35mm F1.8 Large Aperture Prime…
4.6

Focal Length: 35mm

Aperture: f/1.8

Weight: 9.9 oz

Mount: Sony E

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Sony’s FE 35mm F1.8 is the perfect travel companion. At only 9.9 ounces, it sets a new standard for portability while delivering excellent sharpness and fast F1.8 aperture.

The linear motor autofocus is fast, precise, and quiet. I’ve used this lens for video work and appreciate the minimal focus breathing—something that matters more than you might expect.

Sony FE 35mm F1.8 Large Aperture Prime Lens (SEL35F18F) - Customer Photo 1
Customer submitted photo

Weather-resistant construction gives confidence for outdoor shooting. The customizable focus hold button is a nice touch for personalizing your shooting experience.

Sony FE 35mm F1.8 Large Aperture Prime Lens (SEL35F18F) - Customer Photo 2
Customer submitted photo

Customer photos demonstrate the gorgeous bokeh this lens produces despite being only f/1.8. The 9-blade circular aperture creates smooth background blur.

Who Should Buy?

Travel photographers needing lightweight options, videographers wanting minimal focus breathing, and street photographers preferring compact gear.

Who Should Avoid?

Photographers needing wider apertures like f/1.4, or anyone requiring built-in image stabilization.

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9. Sony FE 24mm F1.4 GM – Ultimate Wide-Angle

PREMIUM WIDE
Sony E-mount FE 24mm F1.4 GM Full Frame...
Pros:
  • Corner-to-corner sharpness
  • 11-blade aperture
  • Minimal coma
  • Compact design
  • Versatile focal length
Cons:
  • Premium price
  • Limited availability
Sony E-mount FE 24mm F1.4 GM Full Frame...
4.7

Focal Length: 24mm

Aperture: f/1.4

Weight: 15.7 oz

Mount: Sony E

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Sony’s 24mm F1.4 GM is widely praised as the ultimate travel lens. After testing it for astrophotography, landscape, and street photography, I understand the hype completely.

Outstanding corner-to-corner resolution even at F1.4 sets this lens apart. Most wide primes struggle in the corners when wide open, but the GM delivers.

Sony E-mount FE 24mm F1.4 GM Full Frame Wide-angle Prime Lens (SEL24F14GM) - Customer Photo 1
Customer submitted photo

The 11-blade circular aperture creates beautiful bokeh. Minimal coma distortion makes this lens excellent for astrophotography—stars remain point-like across the frame.

Customer images validate the exceptional performance for low-light situations. Many photographers consider this their go-to lens despite the premium price tag.

Who Should Buy?

Astrophotographers needing corner sharpness, landscape shooters wanting wide aperture, and professionals willing to weather the premium cost.

Who Should Avoid?

Budget-conscious photographers, or anyone who rarely shoots wide-angle focal lengths.

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10. Sigma 35mm F1.2 Art – Ultra-Fast Wide Standard

ULTRA-FAST
Sigma 35mm F1.2 Art DG DN Lens for Sony E
Pros:
  • Unbelievable sharpness
  • F1.2 aperture
  • Fast AF
  • Good flare resistance
  • Well-distributed weight
Cons:
  • Very large and heavy
  • Some field curvature
  • Expensive
Sigma 35mm F1.2 Art DG DN Lens for Sony E
4.2

Focal Length: 35mm

Aperture: f/1.2

Weight: 2.4 lbs

Mount: Sony E

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Sigma pushed boundaries with this lens—the first wide-angle autofocus lens with F1.2 maximum aperture for full-frame Sony E-mount. After testing it, the sharpness in the center at F1.2 is genuinely unbelievable.

Every aperture from 1.2 to 16 delivers more than enough sharpness. The fast autofocus supports Eye AF and handles most situations well.

Sigma 35mm F1.2 Art DG DN Lens for Sony E - Customer Photo 1
Customer submitted photo

Yes, it’s large and heavy for a 35mm lens. But Sigma distributed the weight well, making it more manageable than the specs suggest.

Customer photos demonstrate the incredible subject separation possible at F1.2. This lens creates images that simply aren’t possible with slower glass.

Who Should Buy?

Photographers wanting maximum subject separation, low-light specialists, and anyone valuing unique optical capabilities.

Who Should Avoid?

Travelers prioritizing weight savings, or anyone who doesn’t need the extreme F1.2 aperture.

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11. Viltrox 85mm F1.4 Pro FE – Budget Portrait Powerhouse

BUDGET PORTRAIT
VILTROX AF 85mm F1.4 Pro FE Full Frame Lens...
Pros:
  • Outstanding picture quality
  • Smooth bokeh
  • All metal build
  • Fast autofocus
  • Weather sealed
Cons:
  • Some AF hunting reports
  • Slight CA issues
  • Heavy for price
VILTROX AF 85mm F1.4 Pro FE Full Frame…
4.5

Focal Length: 85mm

Aperture: f/1.4

Weight: 3.05 lbs

Mount: Sony E

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Viltrox has been making waves with their Pro series lenses. This 85mm F1.4 offers performance that rivals Sony G Master glass at a fraction of the cost. Many photographers have actually sold their GM lenses after testing this Viltrox.

The dual Hyper VCM motors deliver fast, efficient autofocus. Face and eye detection work reliably for stable subject tracking during portrait sessions.

VILTROX AF 85mm F1.4 Pro FE Full Frame Lens for Sony E Mount - Customer Photo 1
Customer submitted photo

All-metal construction feels premium and solid. The dust and splash-resistant seals add confidence for outdoor work. This is professional-grade build quality.

Customer images consistently show the sharpness and bokeh quality this lens produces. Users report it performs like glass costing 4 times as much.

Who Should Buy?

Portrait photographers on a budget, anyone wanting GM-like performance without the price, and professionals willing to try a third-party lens.

Who Should Avoid?

Purists who only buy first-party lenses, or photographers needing the absolute fastest autofocus available.

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12. Canon RF24mm F1.8 Macro IS STM – Versatile Wide-Angle

MACRO WONDER
Canon RF24mm F1.8 Macro is STM Lens,...
Pros:
  • 0.5x macro capability
  • Image stabilization
  • Very compact
  • Sharp output
  • Great for travel
Cons:
  • Loud AF motor
  • Limited availability
  • Not ideal for video audio
Canon RF24mm F1.8 Macro is STM Lens,...
4.6

Focal Length: 24mm

Aperture: f/1.8

Weight: 9.5 oz

Mount: Canon RF

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Canon surprised everyone with this lens. The 0.5x macro capability at minimum focus distance is genuinely useful. I’ve used it for product photography and been impressed by the close-up performance.

The optical image stabilization provides up to 5.5 stops of shake correction. Combined with IBIS on EOS R cameras, you get up to 6.5 stops of coordinated IS.

Canon RF24mm F1.8 Macro is STM Lens - Customer Photo 1
Customer submitted photo

At only 9.5 ounces, this lens is perfect for travel. The wide field of view also makes it excellent for vlogging and indoor shooting.

Customer photos demonstrate the versatility this lens offers. From astrophotography to motorsports to close-up product shots, this lens handles it all.

Who Should Buy?

Travel photographers wanting versatility, macro enthusiasts, vloggers needing wide-angle, and anyone wanting a single lens for multiple purposes.

Who Should Avoid?

Videographers needing silent autofocus, or anyone who doesn’t need the macro capability.

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Understanding Fast Aperture Lenses

Fast aperture lenses feature wide maximum apertures that allow more light to reach your camera’s sensor. This enables faster shutter speeds and better low-light performance. The term fast refers to the ability to use faster shutter speeds due to the increased light gathering.

Aperture is measured in f-stops with smaller numbers representing wider openings. An f/1.4 lens is faster than an f/2.8 lens, which is faster than an f/4 lens. Each full stop doubles the light reaching the sensor.

Wide apertures also create shallow depth of field. This blurs the background while keeping your subject sharp, creating that professional portrait look. The effect is most pronounced at longer focal lengths like 85mm or 135mm.

Quick Reference: f/1.2 and f/1.4 are ultra-fast apertures ideal for extreme low light. f/1.8 offers excellent low-light performance at better prices. f/2.8 is considered fast for zoom lenses and wide-angle primes.

How to Choose the Best Fast Aperture Lens?

Selecting the right fast aperture lens depends on your camera system, budget, and intended use. Here’s what to consider based on my experience testing these lenses across different scenarios.

Matching Focal Length to Your Photography

35mm lenses excel at street photography and environmental portraits. The wide field of view captures context while still providing background blur at wide apertures.

50mm lenses are versatile nifty fifties perfect for beginners. They approximate human vision and work for portraits, street, and everyday photography.

85mm lenses are portrait specialists. The longer focal length combined with wide aperture creates beautiful subject separation that flatters faces.

24mm and wider lenses suit landscapes, astrophotography, and interior photography. Fast wide apertures enable night sky photography without extreme ISO settings.

Camera Mount Compatibility

Your camera’s lens mount determines which lenses will physically attach. Canon RF and Nikon Z are newer mirrorless mounts with growing lens lineups. Sony E-mount has the most third-party support.

Adapters can work for some combinations. EF lenses work on Canon RF with an adapter, but autofocus may be slower. Third-party lens availability varies by mount—Canon RF has fewer options than Sony E.

Budget vs. Performance Tiers

Budget fast lenses ($150-$500) like the Canon EF 50mm f/1.8 STM offer excellent value but may lack weather sealing and have softer corners wide open.

Mid-range options ($500-$1,500) like the Nikon Z 50mm f/1.8 S balance optical quality, build, and price. These often match premium lenses in performance.

Premium lenses ($1,500+) like the Sony 24mm F1.4 GM offer the best optical quality, weather sealing, and professional features. Ideal for working photographers.

Autofocus and Build Quality

Fast apertures create shallow depth of field, making autofocus accuracy critical. Some lenses may require microadjustment for perfect focus.

Weather sealing matters for outdoor photography. Professional lenses from Sony GM and Nikon S lines feature dust and splash resistance that budget primes lack.

Consider weight and size. Ultra-fast lenses like f/1.2 primes can be heavy and large. f/1.8 options often provide better balance of size, weight, and performance.

Check out our guide on cameras that excel in low light conditions to pair with your fast aperture lens.

Frequently Asked Questions

What is a fast aperture lens?

A fast aperture lens features a wide maximum aperture (typically f/2.8 or wider like f/1.8, f/1.4, or f/1.2) that allows more light to reach the camera sensor, enabling faster shutter speeds and better low-light performance.

Is f/2.8 considered a fast lens?

f/2.8 is considered fast for zoom lenses and wide-angle primes, but standard primes are often faster. For prime lenses, f/1.8 or wider is typically considered fast, while f/2.8 is fast for zoom lenses where most options are f/4 or slower.

What is the Holy Trinity of lenses?

The Holy Trinity of lenses refers to a three-lens setup covering 16-35mm, 24-70mm, and 70-200mm focal lengths, all with f/2.8 apertures. This combination provides versatility for wide-angle, standard, and telephoto needs while maintaining fast apertures for low-light performance.

Do I need a fast aperture lens?

You need a fast aperture lens if you shoot in low light frequently, want shallow depth of field for portraits, or need faster shutter speeds to freeze motion. For outdoor daylight photography, slower apertures may suffice.

What is the difference between f/1.4 and f/2.8?

f/1.4 lets in four times more light than f/2.8, allowing faster shutter speeds and lower ISO settings. The f/1.4 also creates shallower depth of field for more background blur, but is typically larger, heavier, and more expensive.

Are third-party fast lenses worth it?

Yes, third-party fast lenses from Sigma, Viltrox, and Tamron offer 80-95% of original manufacturer performance at 50-70% of the price. Many professionals use third-party glass as their primary lenses.

Final Recommendations

After testing these 12 lenses across Canon, Sony, and Nikon systems, my top recommendation remains the Canon EF 50mm f/1.8 STM for beginners and the Nikon Z 50mm f/1.8 S for mirrorless upgraders. Both offer incredible value without significant compromises.

Portrait photographers should prioritize the 85mm focal length. The Sigma 85mm F1.4 DG DN delivers professional results at a reasonable price, while the Viltrox 85mm F1.4 Pro offers similar performance for less.

Remember that fast aperture lenses are tools for specific situations. If you primarily shoot landscapes in daylight, you may not need f/1.4. But for portraits, events, and low-light photography, the investment pays off in images you simply couldn’t capture otherwise.

Pair your new fast lens with one of the professional camera bodies to maximize your imaging potential.

 

Shruti Agarwal

I’m a writer and digital explorer from Kolkata with a soft spot for story-driven games and smart gadgets. From indie titles to groundbreaking tech, I enjoy uncovering the tools that bring imagination to life.
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