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Safety glasses for direct observation of the Sun AstroSolar®

Price: €4.00

Large Map of the Moon

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Planishpere - rotating star map

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Telescope KONUSTART-700B with smartphone adapter

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ANDROMEDA Ltd. Baader Planetarium Celestron Konus 10Micron View all

Bahtinov-Mask for 75 - 115 mm tube-diameter

Code: Bat-080

Description

Bahtinov-Mask for 75 - 115 mm tube-diameter, clear opening 72 mm

Manufacturer: Sky-Watcher
Weight: 0.100 Kgs

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This mask helps to find the sharpest focus possible. To use it place the mask in front of the telescope. The grid in the mask provides strangely looking stellar images which makes the focusing possible. To reach the sharpest focus try to place the middle spike exactly between the two others. To fasten to the telescope use the three small adjustable tabs. The masks are available several different sizes, matching to the given diameters.

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