TTArtisan 28mm f5.6 for Leica M lens mount_Mamiya RB This is the standard 6x7

This is the standard 6x7 rollfilm back for Mamiya RB67 cameras

so date and time settings are reset every time you power the camera on and off

The thread on the base is a reversible plate (to accommodate 1/4" or 3/8" fittings) and there's a similar reversible thread up top for camera mounting

The Nikon D5300 is compact DSLR with a 24mp DX-format sensor

kind of like the one in the Yashica T4

TTArtisan 28mm f5.6 for Leica M lens mount_Mamiya RB This is the standard 6x7The TTArtisan 28mm f5. 6 lens is a modern remake of the classic Leica Summaron 28mm f5. 6 lens from the mid 50s a lens which Leica is also currently remaking (though at a substantially different price point). The design (including the infinity lock) is very thread mount, but this is an M mount lens, so it'll fit directly on any M mount camera or adapter. Build quality is pretty good, with an all metal body and smooth focusing. Clean glass, good