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Opteka
Opteka 50mm f/2.0 Manual Focus Prime Lens Fuji X Mount 49mm 115819
Manual focus 50 mm f/2.0 prime lens for Fuji X mount APS-C cameras, 49 mm filter thread, 6 elements in 5 groups, 6.8 oz
- TypeFixed Length Lens
- ColorBlack
- Diameter49mm
- Focus TypeManual Focus
- Focal Length50 mm
- Camera MountFujifilm X mount
- Fast f/2.0 aperture for low-light portraits
- Manual focus with clickless ring for smooth control
- 6 elements in 5 groups reduce aberrations
- 49 mm filter thread accepts standard accessories
- Compact 6.8 oz design suits travel photography
Compact Prime for Fujifilm X
The Opteka 50mm f/2.0 is a manual-focus prime lens built for Fujifilm X-mount APS-C cameras. Its 49 mm filter thread and 6-element optical design suit photographers who prefer hands-on control for portraits, travel and low-light work. The 80 mm equivalent focal length on APS-C sensors frames subjects naturally without requiring autofocus or stabilisation systems.
Passive Thermal and Silent Operation
With no autofocus motor or image stabilisation unit, the lens draws zero power from the camera body and generates no audible noise during use. The all-metal barrel and glass construction dissipate heat passively, so extended shooting sessions in warm conditions do not degrade performance or handling.
Upgrade from Kit Zooms for Shallow Depth
Photographers moving from variable-aperture kit zooms gain a constant f/2.0 maximum aperture, 9-blade diaphragm and one SD low-dispersion element for reduced aberrations. The jump is worthwhile when consistent background separation, low-light capability and clickless aperture control matter more than zoom convenience. Buyers needing autofocus, stabilisation or wider focal ranges should look elsewhere.
Highlights
- Fast f/2.0 aperture for low-light portraits
- Manual focus with clickless ring for smooth control
- 6 elements in 5 groups reduce aberrations
- 49 mm filter thread accepts standard accessories
- Compact 6.8 oz design suits travel photography
Specifications
| Brand | Opteka |
|---|---|
| Model | opteka115819 |
| Type | Fixed Length Lens |
| Color | Black |
| Diameter | 49mm |
| Focus Type | Manual Focus |
| Focal Length | 50 mm |
| Camera Mount | Fujifilm X mount |
| Lens Construction | 6 elements in 5 groups |
| Filter thread (Diameter) | 49 mm |
| Image Stabilization | No |
| Autofocus | No |
| Dimensions | 2.25 x 1.7 x 2.25 in. |
| Weight | 6.8 oz. |
Questions about this item
How do I attach the Opteka 50mm f/2.0 to my Fujifilm X-mount camera, and what step do people often miss?
Align the lens mount index with the camera body index, rotate until it clicks, then set the aperture ring to the desired f-stop; the step many miss is remembering the lens has no electronic contacts, so the camera will not confirm focus or set aperture automatically.
What maintenance will this lens need over time, and which part is most likely to wear?
The 9-blade clickless aperture ring and manual focus helicoid are the only moving parts; keep the 49 mm filter threads clean and occasionally exercise the aperture ring through its full range to prevent stiffness from dried lubricant.
What limit appears first during extended handheld shooting with this lens?
At 6.8 oz and 2.25 x 1.7 x 2.25 in, the lens is light, but the lack of image stabilization means camera shake at shutter speeds slower than about 1/80 s on APS-C becomes the practical limit before fatigue sets in.
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