Today, TTArtisan released a full-frame manual focus 500mm f6.3 telephoto lens, the lens only costs $329 at Pergear.
Telephoto lens is useful for humanistic street photography, it's able to maintain a comfortable distance from the subject, helps the photographer relax and create without disturbing the subject.
|Optical Design||8 Elements in 5 Groups|
|Closest focus distance||3.3m|
|Angle of view||5°|
The E-mount has slight vignetting on full-frame cameras, as shown in the picture below.
No vignetting for Z, RF, L-mount.