TTArtisan 250mm f/5.6 Reflex
TTArtisan · 250 mm · f/5.6
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What We Like
+Exceptionally compact and lightweight for a 250mm telephoto (380g), making it highly portable
+Distinctive doughnut-shaped bokeh creates unique, artistic imagery ideal for creative photography
+M42 mount provides excellent compatibility across camera systems with inexpensive adapters
+Excellent optical control with no visible chromatic aberration and good flare resistance
+Affordable price point (~$298-$320) compared to conventional telephoto alternatives
+Premium build quality with all-metal body and retro aesthetic design
Worth Knowing
−Fixed f/5.6 aperture limits performance in low light and depth-of-field control compared to variable aperture lenses
−Manual focus only with no image stabilization, making it challenging to hand-hold and requiring careful focus technique
−Doughnut bokeh is polarizing and considered 'busy' or harsh by some photographers, not suitable for conventional bokeh preferences
−Mirror lens design inherently produces busy, jittery bokeh backgrounds except in specific shooting conditions with bright highlights
General | |
|---|---|
About This LensThe TTArtisan 250mm f/5.6 Reflex is a compact telephoto manual lens with catadioptric design that controls weight and size effectively. This mirror lens is designed to provide a long focal length in a small, lightweight package, making it an affordable option for creative photographers seeking distinctive bokeh effects. The sharpness in the center of the image is good and enough to get satisfactory sharp images in most situations, though the fixed f/5.6 aperture can be limiting in lower light and when needing depth of field control, and the lens is easy to carry around and doesn't take up much space. | |
| Brand | TTArtisan |
| Release Year | 2024 |
Production Status ⓘCurrent status of lens manufacturing (e.g., in production, discontinued). |  In Production |
Lens Mount ⓘThe lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras. | M42 |
System ⓘIndicates which camera system the lens is designed to attach to. | M42 |
Maximum Format ⓘLargest sensor size compatible with the lens. |  Full Frame |
Physical | |
| Lens Weight | 380 g |
Lens Diameter ⓘWidth of the lens at its widest point | 72 mm |
Lens Length ⓘHow long the lens is from front to back. | 65 mm |
Front Filter Compatible ⓘSome lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove. |  Yes |
Front Filter Size ⓘDiameter of attachable filters. | 67 mm |
Optics | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 250 mm |
Aperture Range ⓘLargest aperture at the lens's shortest focal length to longest focal length (aperture range start - end) | 5.6 |
| Focal Length Angle of View | 10° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 45.5 mm |
Diaphragm Type ⓘStructure and design of the aperture |  Fixed |
Zoom Lens ⓘZoom allows you to vary the focal length, change between long shots and close-ups | No |
Closest Focusing Distance ⓘMinimum distance for a subject to be in focus. | 200 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 0.17x |
| Autofocus Mode | No |
| Manual Mode |  Yes |
| Manual Focusing Ring |  Yes |
Features | |
Weather Sealing ⓘWeather sealing capabilities will give you more confidence when shooting in unfavourable conditions. | No |
Fluorine Coating ⓘCoating to repel water and oil from lens elements. | No |
| Built In Lens Hood | No |
| Lens Hood Type |  Round |
Teleconverter ⓘA teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification | No |
| Image Stabilization | No |
Construction | |
Elements ⓘLens elements refer to individual pieces of glass within the lens. | 6 |
| Groups | 5 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 0 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 0 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 0 |
Internal Focusing ⓘInternal Focusing means that the lens does not change in size during focusing, and the front element does not rotate. | No |