BBC Sky at Night Magazine

3 Teleskop Service Bahtinov focusing masks


Price from £18 • Supplier Widescreen Centre Tel 01353 776199 •

Reach the best focus possible with the help of these Bahtinov masks. The slits create exaggerate­d star spikes, the positions of which will show if your optics are even slightly out of focus. Available in a range of sizes.

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