35mm SLR made in 1982 by Ricoh (who would later acquire Pentax).
Offers speeds from 18 seconds down to 1/1000th of a second, in addition to bulb, long exposure, and TTL aperture priority.
Replaced the light seal on the back about a year ago.
Uses the Pentax K mount, so you can use the same lenses. I have never tried it, but you should be able to use a K mount to M42 adapter, so that gives you a lot of possible lenses.
Comes with a Ricoh-branded 50mm f2.0 prime lens.
Doesn't come with a battery, so you will need to buy 2 LR44/SR44 batteries (or a 'double' battery like a 2LR44, which is what I was using previously).