Reading telescopes with focusing adjustment

Note on ordering

In case of order please note the following hints:

  • The reading telescope is equipped with an eyepiece f=14.7 mm but can be equipped with eyepieces f=25 mm or f=10 mm on request. 
  • For the magnified representation of remote objects
  • Reticle 208 111 (crossline 10 µm)
  • Tube diameter ø 25 mm
  • Focal length objective 50 mm
Ord.-No. Description Object distance Reading magnification Field of view D
233 252 Reading telescope D25 U/105 from ∞
to 105 mm		 3.4 x
12.0 x		 11.5°
14.0 mm		 25 mm
233 255 Reading telescope  D25 213/73 from 213 mm
to 73 mm 		4.7 x
23.0 x 		36.0 mm
7.5 mm 		25 mm
233 258 Reading telescope  D25 97/51 from 97 mm
to 51 mm 		14.0 x
52.0 x 		12.5 mm
3.3 mm 		25 mm

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