Before Starting An Observation; Observation; Troubleshooting; Cleaning And Maintenance - Bresser Classic 70/350 Bedienungsanleitung

NOTICE
Image reversal
Some viewfinder do not have an integrated optical image reversal. In this case, the image is visble up-
side down when looking through the viewfinder. This is not an error!

17 Before starting an observation

The tube opening and the eyepiece holder are protected by fust protection caps. Remove the protec-
tion caps before starting the observation. Replace cap when storing the it.

18 Observation

1. Point the telescope at the desired object (e.g. the moon) and look through the viewfinder.
2. Use the telescope's horizontal and vertical adjustment to center the object in the middle of the
viewfinder's hair cross.
3. Look through the eyepiece for an enlarged view of the object.
4. If neccessary, adjust the image sharpness by turning the focussing wheel.
5. The magnification can be enhanced by the change from an eyepiece with a high focal length to an
eyepiece with a lower focal length.

19 Troubleshooting

Problem/Error
No image
Blurred image
Focussing not possible
Bad image
Object visible in the viewfinder but not in the tele-
scope
'Crooked' image despite the use of an Amici prism Bring the eyepiece holder of the Amici prism to

20 Cleaning and maintenance

NOTICE
Never take the objective out of its socket and do not modify its adjustment screws.
It is not possible to reinstall the objective in an accurate manner without specialist knowledge. A signi-
ficant reduction of the optical performance is the result. In this case the warranty claims become void!
NOTICE
Do not use aggressive cleaners!
Do not use photographic lens cleaners and cloths that have been perfume impregnated, coloured or
soaked with lotion, to clean any optical surfaces. If using such cleaning agents, the optics can be per-
manently damanged!
IM_4670350_de_en_BRESSER_v1016
Possible solution
Remove protection caps
Use an eyepiece with lower magnification
Adjust the sharpness by turning the focussing
wheel.
Wait for temperature compensation
Do not observe through glass panes
Adjust the viewfinder
vertical position
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