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telescope with optics

Graphoskop Model VII 15 x 60 mono

 Graphoskopes are in the whole world admitted and have 
 themselves everywhere proven for the satisfaction of
 their owners since over a quarter of century. All
 experiences gained in the course of this time were 
 evaluated in the Model VII.

Technical details

Look through with                       one eye

Enlargement                               fifteen fold

exit pupil                                   4 mm

liminous intensity                        16

Twilight factor                            30

visual field on 1000 m                  61m

Survelling range horzontal             360 degrees

survelling range vertically             30 degrees up and downwards

Overall higth                               1,51 m

Eye level                                    1,47 m

Eye level over child platform          1,20 m

weight complete                           70 kg

clockwork box

telescope carrier

with scriptfield

column head

column

child platform

foot