Bahtinov-Maske focus mask.Custom made in plywood 3mm thick by Laser cutting

Bahtinov-Maske focus mask.Custom made in plywood 3mm thick by Laser cutting

Description du produit

A Bahtinov style focus mask makes focusing your telescope for astrophotography quick, easy, and definitive.

Devised by amateur astrophotographer Pavel Bahtinov and released in to the public domain.

The mask creates a diffraction pattern on a nearby bright focus star that provides feedback as to wether focus is front focused, back focused, or spot on.

Bahtinov focus mask in birch plywood 3mm thick.

The conduct tailored to your telescope.

Message will need to provide data for your telescope: FOCAL, Opening and diameters of the secondary and the telescope tube.

Once all the data we proceed to make your mask.

Détails sur le produit

• Rang parmi les ventes : #40668 dans Appareil photo & Photographie
  
• Dimensions: .44 livres
  

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