The TTArtisan AF 17mm f/1.8 was announced today, and it is currently available on Amazon
Specs
- APS-C autofocus prime lens.
- Focal length: 17mm.
- Full-frame equivalent: 25mm.
- Maximum aperture: f/1.8.
- Minimum aperture: f/16.
- Optical design: 14 elements in 10 groups.
- Angle of view: 81°.
- Minimum focusing distance: 0.18m.
- Diaphragm blades: 6.
- Filter thread: 52mm.
- Weight: around 161g to 178g depending on mount/version; multiple sources specifically highlight 161g.
- Mounts at launch: Sony E and Fujifilm X.
Key features
- Autofocus design with a stepping motor / STM for smooth, quiet focusing.
- All-metal body.
- Designed as a compact, lightweight “Air” series lens for everyday carry.
- Wide but natural perspective aimed at street, travel, documentary, environmental portrait, and landscape shooting.
- Bright f/1.8 aperture for low-light shooting and subject separation.
- TTArtisan also says the lens can produce 6-point starbursts from point light sources.
- Close-focus ability is positioned as useful for dynamic wide-angle close-up compositions.
