250mm F5.6 Reflex M42-Mount
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SPECIFICATIONS
IN THE BOX
Features
Full Frame
Doughnut-shaped Bokeh
250mm Focal Length
Reflex/Mirror
Fixed F5.6 Aperture
Retro look
Full Metal Body
Comes with a Lens Hood
Telephoto Reflex Lens
The TTArtisan 250mm F5.6 Reflex is a compact telephoto manual lens featuring a catadioptric design that keeps weight and size to a minimum. It's designed for the M42-mount but can be adapted for Sony, Fujifilm, Canon, Nikon, and other cameras using an adapter.
Doughnut Bokeh
Fantasy Doughnut Bokeh
Reflex Lens for Portraits
The optical design of this lens ensures it's small and lightweight while effectively controlling chromatic aberration for excellent image quality. It produces vivid, painterly images when photographing flowers.
Reflex Lens for More
This lens's unique bokeh creates a distinctive image style for various subjects, adding a fun twist to ordinary scenes.
Optical Design Upgrade
Highly Reflective Metal Mirror
The TTArtisan 250mm F5.6 Reflex features a metal mirror structure with 98% reflectivity, reducing light attenuation after reflections for superior image quality.
Dream Catcher
Distinctive Retro Look
The lens has a classic retro design with a diamond-patterned focus ring and bayonet ring for better grip and a tactile feel.
Compatible Mounts
The TTArtisan 250mm F5.6 is designed for the M42 mount but can be adapted to Sony, Fuji, Canon, Nikon, Hasselblad, and other cameras using an adapter.
NOTE
It's normal for the centerline of the thread mount lens to not align with the camera's centerline. This doesn't affect usage. If using an adapter ring, consider one with centerline adjustment.
Vignetting Test
The TTArtisan 250mm F5.6 is a full-frame lens with no vignetting on APS-C or full-frame cameras. On medium format cameras, slight vignetting adds artistic flair.
Weighs Only 380 Grams
The reflex lens's special optical design makes it lighter and smaller than conventional lenses of the same specification.
MTF & Optical Design
