Rokinon Reflex 300M-M-BK 300mm
Its catadioptric Cassegrain design packs a 480mm-equivalent telephoto reach into a remarkably compact 318g body, making it far more portable than a traditional 300mm lens. The fixed f/6.3 aperture creates distinctive donut-shaped bokeh for artistic images, while the manual focus and solid build quality offer precise, durable control. This lens is best for outdoor enthusiasts and travel photographers who prioritize lightweight reach over autofocus speed and low-light performance.
Focal length 300mm
Aperture f/6.3
Mount Fujifilm X
Weight 340 g
af type manual focus only
lens type telephoto
33 Overall Score
Price ¥0
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.
Owner sentiment has cooled since launch
67/100Our AI sentiment read
Based on 3 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Optics
| Type | Telephoto |
| Focal Length Min | 300 |
| Focal Length Max | 300 |
| Elements | 9 |
| Groups | 9 |
| ED Elements | 1 |
| Coating | UMC |
Aperture
| Max Aperture | f/6.3 |
| Min Aperture | f/6.3 |
| Constant | Yes |
Build
| Mount | Fujifilm X |
| Format | APS-C |
| Weight | 0.3 kg / 0.7 lbs |
| Filter Thread | 58 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 900 |
vs Competition
| Spec | Rokinon Reflex 300M-M-BK 300mm | 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 | 300mm | 18-50mm | 17-70mm | 17-28mm | 12-35mm | 16-50mm |
| Max Aperture | f/6.3 | 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 | false | true | true | true | true | true |
| Weight (g) | 340 | 290 | 544 | 450 | 306 | 107 |
| AF Type | manual focus only | stepping motor | RXD | Stepping Motor | Autofocus | Autofocus |
| Lens Type | telephoto | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | AF | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Rokinon Reflex 300M-M-BK 300mm | 12.7 | 50.2 | 71.6 | 46 | 58 | 50.3 | 9 | 33.6 | 16.4 | 36.7 |
| Sigma Contemporary 18-50mm f/2.8 DC DN Compare | 87.6 | 80.4 | 86.5 | 90.8 | 82.5 | 82.8 | 80.5 | 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 | 63.5 | 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 | 90.8 | 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 | 63.5 | 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 | 63.5 | 83.1 | 82 | 93.5 |
