Rokinon AF IO75AF-FX 75mm
This 75mm f/1.8 prime (112.5mm full-frame equivalent) stands out for its ultra-lightweight 257g build and weather sealing paired with a bright aperture for APS-C Fujifilm X-mount cameras. Its linear STM motor delivers fast, silent autofocus, and the Preset Aperture Control function enables smooth exposure adjustments without noise, distinguishing it for hybrid video work. Wildlife and sports photographers on the Fujifilm X-system seeking a discreet, handheld-friendly short telephoto will benefit most.
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实测数据
Performance
Specifications
Full Specifications
Optics
| Type | Telephoto |
| Focal Length Min | 75 |
| Focal Length Max | 75 |
| Elements | 10 |
| Groups | 9 |
| Aspherical Elements | 2 |
| ED Elements | 3 |
| Coating | Ultra Multi-Coating |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/1.8 |
| Constant | Yes |
| Diaphragm Blades | 9 |
Build
| Mount | Fujifilm X |
| Format | APS-C |
| Weather Sealed | Yes |
| Weight | 0.3 kg / 0.6 lbs |
| Filter Thread | 62 |
AF & Stabilization
| AF Type | Linear STM |
| Stabilization | No |
Focus
| Min Focus Distance | 690 |
| Max Magnification | 1:7.7 |
vs Competition
| Spec | Rokinon AF IO75AF-FX 75mm | Sigma Contemporary 18-50mm f/2.8 DC DN | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Nikon NIKKOR Z 17-28mm f/2.8 | Panasonic Leica DG Vario-Elmarit H-ES12035 | Sony E PZ 16-50mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 75mm | 18-50mm | 17-70mm | 17-28mm | 12-35mm | 16-50mm |
| Max Aperture | f/22 | f/2.8 | f/2.8 | f/2.8 | f/2.8 | f/3.5 |
| Mount | Fujifilm X | Sony E | Sony E | Nikon Z | Micro Four Thirds | Sony E |
| Stabilization | false | false | true | false | true | true |
| Weather Sealed | true | true | true | true | true | true |
| Weight (g) | 257 | 290 | 544 | 450 | 306 | 107 |
| AF Type | Linear STM | stepping motor | RXD | Stepping Motor | Autofocus | Autofocus |
| Lens Type | telephoto | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | 用户口碑 | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Rokinon AF IO75AF-FX 75mm | 87.6 | 23 | 88.9 | 51.2 | 76.9 | 20.1 | 33.6 | 8.3 | 36.7 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.6 | 80.4 | 86.5 | 90.8 | 82.5 | 82.8 | 78.5 | 90.1 | 36.7 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.7 | 85.7 | 69.8 | 84.9 | 91 | 82.8 | 89.4 | 86 | 82.4 |
| Nikon NIKKOR Z 17-28mm f/2.8 Compare | 87.6 | 85.7 | 76 | 84.9 | 88.4 | 82.8 | 68 | 71.4 | 36.7 |
| Panasonic Leica DG Vario-Elmarit H-ES12035 Compare | 53.7 | 80.4 | 85.8 | 50.2 | 86.7 | 82.8 | 80.4 | 86 | 97 |
| Sony E PZ 16-50mm f/3.5-5.6 OSS Compare | 53.7 | 73.7 | 98.6 | 43.2 | 69 | 75.9 | 83.1 | 82 | 93.5 |