Sirui IronStar IRON-35-N 35mm
Focal length 35mm
Aperture f/16
Mount Interchangeable Mount with Included ARRI PL/Canon EF
Weight 998 g
lens type prime
40 Overall Score
Price $999
Snapshot
Pros & Cons
Pros
- Strong optical (78th percentile) 78th
Cons
- Below average build (15th percentile)
- Below average versatility (34th percentile)
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 35 |
| Focal Length Max | 35 |
| Elements | 20 |
| Groups | 16 |
Aperture
| Max Aperture | f/16 |
| Min Aperture | f/1.9 |
| Constant | Yes |
| Diaphragm Blades | 16 |
Build
| Mount | Interchangeable Mount with Included ARRI PL/Canon EF |
| Format | full-frame |
| Weight | 1.0 kg / 2.2 lbs |
| Filter Thread | 92 |
AF & Stabilization
| Stabilization | No |
Focus
| Min Focus Distance | 650 |
| Max Magnification | 1:23.26 |
vs Competition
| Spec | Sirui IronStar IRON-35-N 35mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Canon RF 28-70mm f/2.8 IS STM | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Panasonic LUMIX S S-R28200 | Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR |
|---|---|---|---|---|---|---|
| Focal Length | 35mm | 16-300mm | 28-70mm | 18-300mm | 28-200mm | 16-85mm |
| Max Aperture | f/16 | f/3.5 | f/2.8 | f/3.5 | f/4 | f/3.5 |
| Mount | Interchangeable Mount with Included ARRI PL/Canon EF | Sony E | Canon RF | Fujifilm X | L-Mount | Nikon F |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | true | false | true | false |
| Weight (g) | 998 | 615 | 495 | 92 | 413 | 59 |
| AF Type | - | HLA | STM | VXD linear motor | Autofocus | AF-S |
| Lens Type | prime | zoom | zoom | zoom | macro | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | Stabilization |
|---|---|---|---|---|---|---|---|---|
| Sirui IronStar IRON-35-N 35mm | 54.7 | 61.4 | 14.6 | 45.4 | 77.5 | 49.5 | 34 | 35.6 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 54.7 | 84.3 | 57.9 | 86.5 | 98.8 | 77 | 99.6 | 99.1 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 85.5 | 86.2 | 67.2 | 77.4 | 84.4 | 83.8 | 77.4 | 98.2 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.1 | 75 | 96.3 | 88.4 | 73.5 | 77 | 99.2 | 80.5 |
| Panasonic LUMIX S S-R28200 Compare | 54.7 | 77.9 | 73.9 | 89.5 | 90.9 | 71.5 | 95.7 | 99.4 |
| Nikon NIKKOR AF-S DX NIKKOR 16-85mm f/3.5-5.6G ED VR Compare | 54.7 | 75 | 98.4 | 59.8 | 64.1 | 77 | 94.3 | 92.2 |
Price
Value & Pricing
From $999
B&H Photo 1 offer From $999
We started tracking prices for this product on May 22, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
