Elite Brands Inc RK21M-E-SIL

★★★★☆ 4.0 (2)

Its f/1.4 aperture and 3 aspherical plus 1 ED element deliver sharp, low-distortion images with strong low-light performance and smooth bokeh. The compact 275g build and precise manual focus ring make it a discreet, tactile tool for deliberate composition. This lens is best for Fujifilm X-mount street and travel photographers who prioritize a lightweight prime and hands-on control over autofocus speed.

Focal length 21mm
Aperture f/1.4
Mount Sony E
Weight 277 g
af type manual focus only
lens type wide-angle
Elite Brands Inc RK21M-E-SIL lens
50 Overall Score

No current retailer price

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Snapshot

The 30-Second Version

A bright, sharp manual focus wide angle with killer bokeh at a budget price. Just don't expect it to hold your hand.

Pros & Cons

Pros

  • f/1.4 aperture is stupid bright for a 21mm 98th
  • Bokeh quality is top-tier for a wide angle 97th
  • Smooth, precise manual focus ring 76th
  • Compact and well-built for the price 69th

Cons

  • Manual focus only, no autofocus at all
  • No stabilization, handheld low-light gets shaky
  • Heavier than it looks on paper
  • No weather sealing, keep it dry

What owners think

The Word on the Street

4.0/5 (2 reviews)
👍 Owners call it a great upgrade for the Sony a6000, especially for street shooting.
👎 A recurring gripe is that it's heavier than expected for a compact prime.
🤔 Some buyers haven't fully tested image quality yet, so the jury's still out on sharpness.

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

60/100Our AI sentiment readlow confidence · 5 sources · May 2026
21Q4 '17Q2 '26
Happy (4-5★)Unhappy (1-2★)Bar height = number of reviewsEstimated date

Based on 3 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

The f/1.4 aperture is the star here. Three aspherical elements and one ED element keep distortion low and sharpness high, even wide open. Bokeh lands in the 97th percentile, which is wild for a 21mm lens. You're not going to get creamy portrait backgrounds like an 85mm, but close-up subjects pop with a smooth falloff that most wide angles can't touch. The 9-blade diaphragm helps keep those out-of-focus highlights round instead of jagged. Manual focus is smooth and precise, which is good because you'll be using it constantly. No autofocus means no hunting, but also no quick snaps of moving subjects. The 300mm minimum focus distance is fine for environmental shots but won't win any macro awards.

Performance Percentiles

AF 14.8
Bokeh 97.3
Build 75.7
Macro 68.8
Optical 65.2
Aperture 97.6
User Sentiment 4.9
Versatility 33.2
Social Proof 12.3
Stabilization 34.4

Specifications

Full Specifications

Optics

Type Wide-angle
Focal Length Min 21
Focal Length Max 21
Elements 8
Groups 7
Aspherical Elements 3
ED Elements 1
Coating Ultra Multi-Coating

Aperture

Max Aperture f/1.4
Min Aperture f/1.4
Constant Yes
Diaphragm Blades 9

Build

Mount Sony E
Format APS-C
Weight 0.3 kg / 0.6 lbs
Filter Thread 58

AF & Stabilization

AF Type manual focus only
Stabilization No

Focus

Min Focus Distance 300

vs Competition

The Sigma 18-50mm f/2.8 DC DN is the obvious alternative. It's a zoom, it has autofocus, and it's only a stop slower. You lose the f/1.4 bokeh and low-light edge, but you gain a ton of versatility. The Tamron 17-70mm f/2.8 adds stabilization and even more range, though it's bigger and pricier. The Sony 18-135mm f/3.5-5.6 OSS is the safe, boring choice with autofocus and OSS but a slow variable aperture. If you want the Rokinon's bright aperture and don't mind manual focus, none of those zooms can match it. If you want a lens that just works without thinking, the Sigma is the smarter buy.

Spec Elite Brands Inc RK21M-E-SIL Tamron Di III VC 28-300mm f/4-7.1 VXD Sigma Art 17-40mm f/1.8 DC Panasonic Leica DG Vario-Elmarit H-ES12035 Sony E 18-135mm f/3.5-5.6 OSS Nikon NIKKOR 2178
Focal Length 21mm 28-300mm 17-40mm 12-35mm 18-135mm 16-85mm
Max Aperture f/1.4 f/4 f/1.8 f/2.8 f/3.5 f/3.5
Mount Sony E Sony E Fujifilm X Micro Four Thirds Sony E Nikon F
Stabilization false true false true true true
Weather Sealed false true true true false false
Weight (g) 277 590 535 306 326 485
AF Type manual focus only VXD linear motor HLA (High-response Linear Actuator) Autofocus Linear motor AF-S
Lens Type wide-angle zoom zoom zoom zoom zoom
Compare Compare Compare Compare Compare
Product AFBokehBuildMacroOpticalApertureUser SentimentVersatilitySocial ProofStabilization
Elite Brands Inc RK21M-E-SIL 14.897.375.768.865.297.64.933.212.334.4
Tamron Di III VC 28-300mm f/4-7.1 VXD Compare 97.783.562.883.296.370.992.297.950.579.3
Sigma Art 17-40mm f/1.8 DC Compare 53.99766.972.296.695.398.375.794.134.4
Panasonic Leica DG Vario-Elmarit H-ES12035 Compare 53.986.683.74986.188.392.280.586.196.4
Sony E 18-135mm f/3.5-5.6 OSS Compare 97.781.370.837.477.982.747.895.890.779.3
Nikon NIKKOR 2178 Compare 53.981.354.663.167.482.781.794.190.792.3

Price

Value & Pricing

At $329 to $344 USD, this lens is a steal if you want f/1.4 wide-angle performance without dropping four figures. The build quality is solid, the optics punch above their price, and the bokeh is genuinely impressive. But you're paying with convenience. No autofocus, no stabilization, no weather sealing. If those matter to you, this isn't a value play, it's a compromise. For the right shooter, though, it's a bargain.

Read more

Overview

The Rokinon 21mm f/1.4 is a niche lens that does one thing really well: bright, wide-angle shots with a manual focus ring that feels like it belongs on a film camera. At f/1.4, it sits in the 97th percentile for aperture and bokeh, which means it's pulling in serious light and throwing backgrounds out of focus better than almost anything else in its class. That's the headline. But you're giving up autofocus, stabilization, and any weather sealing to get it. This is a lens for people who know exactly what they want and don't mind working for the shot.

It's built for APS-C mirrorless bodies like the Sony a6000, and owners seem to agree it's a solid upgrade for street work. The catch? It's heavier than you'd expect for a 275g lens, and the manual focus only thing is a dealbreaker for a lot of people. If you're cool with that trade, the image quality is there. If you're not, keep scrolling.

Common Questions

Q: Does this lens have autofocus?

Nope. It's manual focus only. If you need autofocus, look at the Sigma 18-50mm f/2.8 instead.

Q: Will this work on a full-frame Sony camera?

It's designed for APS-C sensors, but it will mount on full-frame E-mount bodies like the A7II. You'll get heavy vignetting in full-frame mode, so you'll want to shoot in crop mode.

Q: Is this good for low light?

Yes, the f/1.4 aperture pulls in a ton of light. But without stabilization, you'll need steady hands or a tripod for slow shutter speeds.

Who Should Skip This

If you want autofocus, stabilization, or weather sealing, this isn't your lens. Go grab the Sigma 18-50mm f/2.8 DC DN or the Tamron 17-70mm f/2.8 instead. They're more versatile and won't make you work for every shot.

Verdict

The Rokinon 21mm f/1.4 is a specialist's lens. It's for street photographers and low-light shooters who want a bright, sharp wide angle and are willing to focus manually. The f/1.4 aperture and bokeh are genuinely exceptional at this price. But the lack of autofocus, stabilization, and weather sealing means it's not a general-purpose lens. Buy it if you know why you want it. Skip it if you just want something easy.

Usage Scores

Macro (60.7)Overall (49.6)Budget (44.8)Street (66.5)Travel (42)Portrait (75.6)Landscape (44.3)Professional (57.5)Video Cinema (57.5)Wildlife Sports (35.2)

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