Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm
Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm
Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm
Roll over image to zoom in Click on image to zoom
Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mmDiffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mmDiffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm

Diffraction Spikes Bahtinov Focusing Mask for Telescopes Dew Shield Diameter From 75mm -110mm

William OpticsSKU: BM-DS-GR45
Price:
$81.00 CAD
Stock:
On Backorder — ships when available
  • Description
The new Optical acrylic sheet offers 92% of light transmission that gave you the highest and brightest diffraction Spikes for Focusing !
It’s about 3 times brighter than traditional metal type.

For dewshields 75 - 110mm in diameter

You may also like

Recently viewed

Recent Blog Posts

View all
Guide scope or off-axis guider: a PHD2 guide graph reporting 0.41 arcsecond RMS beside elongated stars from the same night

Your Guide Graph Is Lying to You

astrophotography Stephen Mallia
You drove ninety minutes to dark sky, PHD2 held 0.4 arcseconds all night, and half your subs still have eggs for stars. Here are the three things your

Read More
V-size Vixen and D-size Losmandy dovetail bar profiles compared to scale, about 44 mm against 75 to 84 mm

D-Size vs V-Size: A Complete Guide to Telescope Dovetail Systems

Stephen Mallia
What's the difference between D-size and V-size telescope dovetails? Here's everything you need to know.

Read More
A 55 mm back focus imaging train: spacer 16.5 mm, filter drawer 21 mm and camera sensor depth 17.5 mm, measured from the rear of the reducer

What Is Back Focus in Astrophotography? Telescope Reducers, Flatteners, and Spacing Explained

Stephen Mallia
What Is Back Focus in Astrophotography? Telescope Reducers, Flatteners, and Spacing Explained Back focus is one of those astrophotography terms that c

Read More