TTArtisan 250mm F/5.6 Reflex Mirror Camera Lens M42 screw mount

TTArtisan 250mm F/5.6 reflex mirror camera lens
- M42 screw mount
-- M42 lens adapter are sold separately --

Telephoto Reflex Lens

TTArtisan 250mm F5.6 Reflex is a compact telephoto manual lens. Due to the characteristics of its catadioptric design, the weight and size can be well controlled.
It is designed for the M42-mount. But with an adapter, the lens is compatible with Sony, Fujifilm, Canon, Nikon and other cameras.

Fantasy Doughnut Bokeh
Use the TTArtisan 250mm F5.6 reflex lens to create a dreamy and special donut bokeh. This special bokeh combined with rich colors creates a unique imaging style that is very attractive.

Reflex Lens for Portraits
Doughnut bokeh is a great artistic addition to add some liveliness and creativity to portraits.

Reflex Lens for Flowers
Due to the characteristics of its optical design,the lens is not only small and lightweight, but can also effectively control chromatic aberration and achieve excellent image quality. Using this lens to shoot flower subjects can produce images with rich colors and as beautiful as oil paintings.

Reflex Lens for MORE
The unique bokeh allows this lens to present a different image style from conventional lenses when shooting various subjects, and can add a lot of fun to an ordinary scene.

250mm Focal Length
The 250mm focal length allows the photographer to capture clear and vivid images without getting close to the subjects.

Highly Reflective Metal Mirror
The reflectivity of light in a reflex lens plays a crucial role in the final image, and the TTArtisan 250mm F5.6 Reflex uses a metal mirror structure with a reflectivity of up to 98% to reduce the attenuation of light after two reflections.
48-layer highly reflective Medium
Multi-layer Ultra Low AR Coatings

Distinctive retro look
The lens design is classic and retro, with a delicate diamond-shaped structure of the focus ring and the bayonet ring that adds friction when using the lens and has a nice tactile quality to it.

Compatible Mounts
TTArtisan 250mm f5.6 is designed for the M42 mount, but you can use it on any mount you like with an adapter ring.
Easily adapted to Sony, Fuji, Canon, Nikon, Hasselblad and other cameras (lens adapters are sold separately)

NOTE
It is a normal phenomenon that the centerline of thread mount lens is not aligned with the centerline of the camera, and it does not affect the use. If you need an adapter ring to use this lens, it is recommended to use an adapter with a centerline adjustment function (picture below left).
Vignetting Test
The TTArtisan 250mm F5.6 is a full-frame lens and has no vignetting when used on APS-C or full-frame cameras. When used on medium format cameras, the faint vignetting makes the work more artistic.

Lens Specification
Focal length: 250mm
Closest focusing distance: 2.0m
Frame: Full frame
Filter size: 67mm
Angle of view: 10°
Weight: around 380g
Aperture size: F5.6
Optical Design: 6 Elements in 5 Groups
Focus method: Manual
Lens mount: M42

Package included
TTArtisan 250mm f/5.6 reflex lens x 1
Front lens cap x 1
Rear lens cap x 1
User manual (Chinese / English)
Retail package