Ray box Multi Slit

Description

Brass dial head 40 mm diameter, divided and marked in 100 divisions, vertical scale 10-0-10 mm, fitted on tripod stand, distance between legs 40 mm.

Sizrs are mentioned below:-
Screw pitch 1 mm Screw pitch 0.5 mm

Description

Optically worked, back silvered, with protective coating.

Focal length	Add To Enquiry
50 mm	75 mm
50 mm	100 mm
50 mm	150 mm
50 mm	200 mm
50 mm	300 mm
60 mm	100 mm
60 mm	150 mm
60 mm	200 mm
60 mm	300 mm
75 mm	100 mm
75 mm	150 mm
75 mm	200 mm
75 mm	300 mm

Description

Free from air bubbles, all sides polished

75 x 50 x 12 mm 75 x 50 x 18 mm
100 x 50 x 18 mm
100 x 60 x 18 mm
115 x 65 x 18 mm

Description

All plastic frames

50 mm

75 mm

100 mm