Pentax Optio I-10 lens mount_Pentax 645 and shutter speeds are good

and shutter speeds are good from 1/15s on up

The Canon FD 300mm f5

and it kind of works like an older camera

It's ideal for macro or telephoto shooting where making fine adjustments is important- and it's very nice for large format as well

Shutter speeds and light meter are accurate

Pentax Optio I-10 lens mount_Pentax 645 and shutter speeds are goodStyled to evoke the classic Pentax Auto 110, the Pentax Optio I 10 is a very compact digital camera with a 12MP sensor, 2. 7" LCD screen and a 5x zoom lens covering a 28 140mm equivalent range. It also does video at 720p HD. In excellent condition. Comes with original box, charger, battery, wrist strap, and instructions.