Minolta Flash Meter III format_35mm These take a 625-type battery

These take a 625-type battery (which is included) but the only thing you'll lose if you run without a battery is metering: all the speeds are mechanical and aperture can be adjusted manually

set a frame rate and the read off the correct aperture

You can do what you want

It's been repaired at some point in its existence

near-new in the original box

Minolta Flash Meter III format_35mm These take a 625-type batteryThe Minolta Flash Meter III is a slightly old school digital light meter for flash and existing light photography. Set your ISO and shutter speed on the handy mechanical dials, and the LCD screen will display the correct F stop or EI number. Includes incident light dome, reflected light disc, strap, instructions, and case. In very good cosmetic condition, with some surface wear. The rotation action of the sensor unit is smooth, but somewhat stiff: