R-4106.A

MECHANISM ANO PRINCIPLE

3. UW·tube

 

 

3.UW-tube

e Depression angle of binocular body: 30°

11 Tube magnification: l X

e Special beam splitter will cause no slack of the eyepiece.

11Owing to Siedentopf type adopted, even though the interpupillary distance is changed (within a range of 54 - 75mm), for which prism cover @ is vertically turned and moved, the tube length

remains constant ali the times.

Diopter adjustment is performed not by an adjusting collar but by the eyepiece with a range of -8 - +5 dptr.

Two step optical·path change-over system. sending a light intens1ty of 100% for observation or 86%/14% for photography /observation Wlth the 1X relay lenses tnserted.

Focusing in photography is possible with the binocular body, beca use the parfocality between the image positions ÜL and ÜR and that in Photo·tube is exactly maintained.

ÜL /\""

X lntcrpup11lary

distunce

\OP

~

Fig. 14

- 19 -

Page 89
Image 89
Nikon 50i and E100 manual UW·tube, UW-tube