Digital goniometer : POD068090

Principe :The goniometer is mainly used for experiments on prism or grating deviation.

Characteristics : Accuracy : 20 seconds of Arc.

Display : display : degree, minute, seconds. Manual settings at 0° and 180°.
Collimator : :
– Micrograduated slot source, with symmetrical opening, 0.01 mm accuracy.
– Adjustement with knurled ring
– Achromatic lens, with antireflective coating

Autocollimating telescope :
– Adjustable focus by knurled srew
– Focus lenth : 450 mm
– Sliding (helicoidal) eyepiece
– Adjustable to infinity by autollimation with a LED auxiliary light
– Reticle, cross, orientable
– Achromatic lens, with antireflective coating