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Astrophotography > Masks > Focusing Masks > ASToptics > ASToptics Bahtinov focus mask 80 for 86mm to 105mm OTAs
Product no.: 47308

Bahtinov focus mask 80 for 86mm to 105mm OTAs

$ 21.90 incl. VAT, plus shipping costs
on stock
ready for shipping in 24 h + lead time
This product is available in the following variants:
Diameter (mm) Price
109 - 145 $ 27.90
120 - 152 $ 32.90
140 - 170 $ 32.90
175 - 212 $ 32.90
185 - 210 $ 43.90
212 - 252 $ 43.90
240 - 268 $ 55.00
67 - 87 $ 21.90
86 - 105 $ 21.90

Product description

Bahtinov focus mask

The focus mask is used to facilitate accurate focusing when doing astrophotography.

How to attach the mask to the telescope: Each mask is supplied with a pair of bolts and fitting plastic covers. Just push the bolts through the holes in the mask and slide the covers onto the bolts from the other side. Now the mask can be simply hinged onto the dewcap or the telescope tube. This adaptation is very universal and fits for widely varying tube diameters.

Specifications

General


Colour
black
Diameter (mm)
86 - 105
ASToptics Bahtinov focus mask 80 for 86mm to 105mm OTAs

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