Samyang SYIO45AF-E 45mm
Weighing just 162g, this ultra-compact 45mm f/1.8 prime offers a natural 53-degree field of view and a bright aperture for strong subject separation with 9-blade bokeh. Its advanced optical design with two aspherical elements minimizes distortion while delivering high resolution specifically optimized for Sony E-mount mirrorless bodies. This lens is best for travel and street photographers who prioritize a featherlight, pocketable full-frame setup without sacrificing low-light capability.
Snapshot
Pros & Cons
Pros
- Strong build (89th percentile) 89th
- Strong user sentiment (80th percentile) 80th
Cons
- Below average aperture (23rd percentile)
- Below average bokeh (26th percentile)
- Below average macro (28th percentile)
- Below average versatility (34th percentile)
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 6 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Prime |
| Focal Length Min | 45 |
| Focal Length Max | 45 |
| Elements | 7 |
| Groups | 6 |
| Aspherical Elements | 2 |
| Coating | ウルトラマルチコート |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/1.8 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Sony E |
| Format | full-frame |
| Weight | 0.2 kg / 0.4 lbs |
| Filter Thread | 49 |
AF & Stabilization
| AF Type | AF |
| Stabilization | No |
Focus
| Min Focus Distance | 450 |
| Max Magnification | 0.12x |
vs Competition
| Spec | Samyang SYIO45AF-E 45mm | Nikon NIKKOR Z 17-28mm f/2.8 | Tamron Di III 28-75mm f/2.8 VXD G2 | Sigma Contemporary 10-18mm f/2.8 DC DN | Panasonic Leica DG Vario-Elmarit H-ES12060 | Canon RF 28-70mm f/2.8 IS STM |
|---|---|---|---|---|---|---|
| Focal Length | 45mm | 17-28mm | 28-75mm | 10-18mm | 12-60mm | 28-70mm |
| Max Aperture | f/22 | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/22 |
| Mount | Sony E | Nikon Z | Sony E | Sony E | Micro Four Thirds | Canon RF |
| Stabilization | false | false | false | false | true | true |
| Weather Sealed | false | true | true | true | true | true |
| Weight (g) | 162 | 450 | 540 | 260 | 320 | 495 |
| AF Type | AF | Stepping Motor | VXD | Autofocus | linear motor | STM |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Samyang SYIO45AF-E 45mm | 54.6 | 26 | 88.6 | 28.3 | 50.3 | 22.6 | 80.3 | 33.6 | 38.5 | 38 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87 | 88.1 | 73.7 | 86.3 | 87 | 85.8 | 90.8 | 68.1 | 64.5 | 38 |
| Tamron Di III 28-75mm f/2.8 VXD G2 Compare | 54.6 | 88.1 | 67.3 | 87.3 | 87.8 | 85.8 | 80.3 | 78.2 | 83 | 38 |
| Sigma Contemporary 10-18mm f/2.8 DC DN Compare | 54.6 | 83.5 | 87.4 | 93.3 | 81.6 | 85.8 | 80.3 | 69.1 | 68.7 | 38 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98 | 88.1 | 83.2 | 50.4 | 90.2 | 85.8 | 44.2 | 93.1 | 63.4 | 83.2 |
| Canon RF 28-70mm f/2.8 IS STM Compare | 87 | 26 | 70.2 | 80.4 | 85 | 22.6 | 98.1 | 77.2 | 87.8 | 98.5 |
Price
Value & Pricing
Amazon.ca 1 offer From CA$515
Price History
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
