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78-113mm ID Orion Pinpoint Telescope Focusing Mask

Product Details

  • Product Dimensions: 4.5 x 0.1 x 4.5 inches
  • Item Weight: 1.28 ounces
  • Shipping Weight: 3.2 ounces
  • California residents: Click here for Proposition 65 warning
  • Item model number: 40005
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  • Also known as Bahtinov masks, Orion PinPoint Focusing Masks will help you achieve precise focus in seconds
  • This PinPoint Mask fits telescope tubes with an outer diameter of 78-113mm (3.07" to 4.44")
  • Orion PinPoint Focusing Masks produce a distinct, intersecting 3-line pattern once accurate focus is achieved
  • Three Orion-exclusive adjustable padded pegs provide a secure grip once installed on a telescope
  • Compatible with any type of telescope, and especially useful for astrophotography setups

When placed over the front of a telescope, handy Orion PinPoint Telescope
Focusing Masks make it easy to achieve quick and precise focusing without
guesswork. Also known as Bahtinov masks, these focus aids feature a laser-cut
slot pattern that produces a distinct, intersecting 3-line pattern once
accurate focus is achieved in any type of telescope. Orion PinPoint Focusing
Masks will help astrophotographers save time and avoid frustrating, fuzzy
results caused by slightly defocused exposures. With a PinPoint Mask installed
on an imaging telescope, just focus on any bright star within or near the
celestial object you want to photograph and adjust focus until the
intersecting 3-line pattern is displayed indicating precise focus has been
achieved. Wow, that was fast! Besides astrophotographic applications, PinPoint
Focusing Masks are also useful for visual observations when fast, tack-sharp
focusing is desired. Three Orion-exclusive adjustable rubber-sleeved pegs
equipped with thumbscrews clamp onto the outside of your telescope tube or dew
shield to hold the PinPoint Mask firmly in place. Orion PinPoint Focusing
Masks are easy to install and remove so you can achieve precise focus and
quickly start capturing astrophoto exposures. Each Orion PinPoint Focusing
Mask can fit a range of telescope tube diameters. For example, this 78-113mm
ID Orion PinPoint Focusing Mask will fit telescope tubes with an outer
diameter ranging from 78mm to 113mm (3.07 inch to 4.44 inch).Made of laser-cut
black plastic. Flat for easy storage and transport.

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