Magnifier With Interchangable Bases And Adjustable Focus, 4x - Model ONS-0395

An extremely high quality 4x magnifier with a wide field of view of 45mm x 45mm (1.77" x 1.77").

The achromatic 27mm (1.06") diameter lens is corrected for chromatic aberration to provide the brightest, clearest and distortion free image.

The helicoid screw adjustable lens focusing system is extraordinarily smooth and is the same as used in high quality photographic lenses.

Interchangeable clear and opaque bases are provided as standard for both regular and light table use.

Supplied complete with a detatchable neck strap and protective lens cap.

Historical Model #s: ONS-0395, ONS-0395A