Estate sale item that has some scratches and light dirt -looks like it was stored awhile.
Flip up lens
Needs some general cleaning
Head size adjustment on a crank turn knob
Also adjust across the top of your head.
Not sure what strength or kind of lens it has.
The sides of the head gear are adjustable in a few ways.
The turn control that adjusts the headband has to be pushed in before turning, that keeps it from slipping out of place.
PLEASE SEE PICTURES FOR CONDITION.