Elite Brands Inc RK21M-E-SIL
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.
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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
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
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.
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 | Nikon NIKKOR 20059 | 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 |
|---|---|---|---|---|---|---|
| Focal Length | 21mm | 28-300mm | 18-55mm | 17-40mm | 12-35mm | 18-135mm |
| Max Aperture | f/1.4 | f/4 | f/3.5 | f/1.8 | f/2.8 | f/3.5 |
| Mount | Sony E | Sony E | Nikon F | Fujifilm X | Micro Four Thirds | Sony E |
| Stabilization | false | true | true | false | true | true |
| Weather Sealed | false | true | false | true | true | false |
| Weight (g) | 277 | 590 | 205 | 535 | 306 | 326 |
| AF Type | manual focus only | VXD linear motor | pulse stepping motor | HLA (High-response Linear Actuator) | Autofocus | Linear motor |
| Lens Type | wide-angle | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Elite Brands Inc RK21M-E-SIL | 14.8 | 97.3 | 75.7 | 68.9 | 65.3 | 97.6 | 5 | 33.2 | 12.3 | 34.4 |
| Tamron Di III VC 28-300mm f/4-7.1 VXD Compare | 97.7 | 83.4 | 62.9 | 83.3 | 96.3 | 70.8 | 92.1 | 97.9 | 50.4 | 79.3 |
| Nikon NIKKOR 20059 Compare | 84.6 | 81.2 | 83.6 | 95.3 | 54.4 | 82.6 | 65.5 | 82.8 | 86.1 | 92.3 |
| Sigma Art 17-40mm f/1.8 DC Compare | 53.9 | 97 | 66.9 | 72.3 | 96.6 | 95.3 | 98.3 | 75.7 | 94.1 | 34.4 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.9 | 86.6 | 83.7 | 48.9 | 86.1 | 88.2 | 92.1 | 80.4 | 86.1 | 96.4 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 97.7 | 81.2 | 70.8 | 37.3 | 78 | 82.6 | 47.7 | 95.8 | 90.7 | 79.3 |
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.