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2. Technical Data
Design: achromatic refracting telescope with 2 lenses
Focal length: 900 mm
Lens diameter: 90 mm
Magnification: 45 - 135x (depending on eyepiece).
Viewfinder: 6x30
Mount: equatorial (EQ-3) on a vertically adjustable
aluminium tripod.
3. Troubleshooting:
Mistakes: Help:
No picture Remove dust protection cap and
sunbathe-shield from the objective
opening.
Blurred picture Adjust focus using focus ring
No focus possible
Wait for temperature to balance out
Bad picture Never observe through a glass
surface
Viewing object visible Adjust finder (See Part I:
in the finder, but not 6. Construction)
through the telescope
Heaviness in the flexible Telescope not balanced
handles on the axis
over the shaft
Despite using star The star diagonal prism
diagonal prism should be vertical in
the picture is the eyepiece connection
“crooked”
DE
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GARANTIE / WARRANTY