Sigma 185955
The constant f/4 aperture combined with two FLD and one SLD element delivers exceptional clarity and chromatic aberration correction, while the magnesium alloy body provides a dust- and splash-proof build at 3310g. Its optical stabilization offers a 4-stop advantage, and the Hyper Sonic Motor provides fast, accurate autofocus that excels in challenging low-light conditions. This lens is best for wildlife and sports photographers who need a durable, hand-holdable 500mm prime with full-frame coverage and reliable weather sealing for extended outdoor shoots.
Snapshot
What owners think
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 7 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Super-telephoto |
| Focal Length Min | 500 |
| Focal Length Max | 500 |
| Elements | 16 |
| Groups | 11 |
| Aspherical Elements | 0 |
| ED Elements | 3 |
| Coating | Super Multi-Layer Coating |
Aperture
| Max Aperture | f/32 |
| Min Aperture | f/4 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Nikon F |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 3.2 kg / 7.0 lbs |
| Filter Thread | 46 |
AF & Stabilization
| AF Type | HSM |
| Stabilization | Yes |
| Stabilization Stops | 4 |
Focus
| Min Focus Distance | 3500 |
| Max Magnification | 0.15x |
vs Competition
| Spec | Sigma 185955 | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Sony G SELP28135G.SYX | Viltrox Pro AF 27mm f/1.2 | Panasonic LUMIX S S-R28200 |
|---|---|---|---|---|---|---|
| Focal Length | 500mm | 17-70mm | 17-28mm | 28-135mm | 27mm | 28-200mm |
| Max Aperture | f/32 | f/2.8 | f/2.8 | f/4 | f/1.2 | f/4 |
| Mount | Nikon F | Sony E | Nikon Z | Sony E | Sony E | L-Mount |
| Stabilization | true | true | false | true | false | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 3175 | 544 | 450 | 420 | 560 | 413 |
| AF Type | HSM | RXD | Stepping Motor | SSM | STM | Autofocus |
| Lens Type | super-telephoto | zoom | zoom | zoom | prime | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Sigma 185955 | 53.5 | 7.2 | 8.2 | 28.4 | 83.7 | 4.7 | 75.8 | 33.7 | 54.3 | 93.6 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.5 | 85.6 | 69.4 | 85 | 91.3 | 82.4 | 64 | 89.6 | 86.7 | 82.5 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.1 | 85.6 | 75.9 | 85 | 88.4 | 82.4 | 91.1 | 68.2 | 72.1 | 36.8 |
| Sony G SELP28135G.SYX Compare | 94.4 | 76.2 | 77.7 | 35.1 | 88.4 | 64.3 | 64 | 92.6 | 60.4 | 93.6 |
| Viltrox Pro AF 27mm f/1.2 Compare | 87.1 | 98.6 | 68.2 | 38.4 | 82.6 | 98.5 | 91.1 | 33.7 | 90.6 | 36.8 |
| Panasonic LUMIX S S-R28200 Compare | 53.5 | 76.2 | 78.2 | 74.3 | 92.2 | 64.3 | 22.5 | 95.4 | 78.1 | 99.5 |
