Gralab Darkroom Timer Model 300 lens mount_Minolta MD a cable release adapter

a cable release adapter

and that's saying something

with some paint wear and bubbling on the rear door

and the viewfinder is clear

The Tamron TAP-in console is a computer-connected puck that interfaces with select Tamron lenses and allows you to update firmware

Gralab Darkroom Timer Model 300 lens mount_Minolta MD a cable release adapterIt seems that Gralab calls every timer the "Model 300," because this Model 300 is clearly not the classic all black Model 300. It's smaller, for one, with a grey plastic shell and a moulded in carry handle. Functionality is effectively identical to the big timer, though. Aside from some cosmetic wear, this timer is in pretty solid shape, and working well.