Focusing:

The finder can be focused for your eyes by turning the objective cell. Once you have attained a properly sharp image you can lock the focus with a locking ring. Unless the user changes this procedure will need to be done only once.

Specifications:

-- 8x50 finder with achromatic lens
-- bracket with two thumbscrews and countering spring for easy operation
-- Aperture: 50mm / Magnification: 8x / with crosshair
-- apparent field of view: 45°
-- true field of view: 5.6°
-- backfocus 18mm behind the metal tube

Scope of Delivery:

-- 8x50 Finderscope ( black ) with achromatic lens
-- quick release finder bracket compatible with various finder bases. No base is included in the scope of delivery.

Practical Tip from Teleskop-Service

If you use the finder under very dark skies you might actually see so many stars that orientation gets difficult. In such cases we recommend to stop down the finder. You can use the full aperture again when trying to see a deep sky object in direct vision.