The Canon 310XL has a 8.5 mm. to 25.5 mm. f/1.0 zoom lens with reflex viewfinder but no rangefinder. It has a plastic body which makes it quite light and easy to carry, 18 f.p.s., single frame, and automatic exposure.
It has a f/1.0 XL eXtended Light aperture for extreme low-light conditions.
The Canon 310XL is a compact and light-weight super-8 camera which enables shooting shooting dark subjects and indoor shooting without any extra light.
Want to know more? Download the canon 310XL manual (pdf).
What's it worth? Take a look at this list of: sold Canon 310 for a value indication.