78-113mm ID Orion Pinpoint Telescope Focusing Mask

: 78-113mm ID Orion Pinpoint Telescope Focusing Mask : Camera & Photo. : 78-113mm ID Orion Pinpoint Telescope Focusing Mask : Camera & Photo. 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 78-103mm (3.07" to 4.06") 。 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 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. 。 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 -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. PinPoint Focusing Masks are easy to install and remove so you can achieve precise focus and quickly start capturing astrophoto exposures. 。Each PinPoint Focusing Mask can fit a range of telescope tube diameters. For example, this 78-3mm ID PinPoint Focusing Mask will fit telescope tubes with an outer diameter ranging from 78mm to 3mm (3.07 inch to . inch).。Made of laser-cut black plastic. Flat for easy storage and transport. 。 。 。

78-113mm ID Orion Pinpoint Telescope Focusing Mask
78-113mm ID Orion Pinpoint Telescope Focusing Mask
78-113mm ID Orion Pinpoint Telescope Focusing Mask
78-113mm ID Orion Pinpoint Telescope Focusing Mask
78-113mm ID Orion Pinpoint Telescope Focusing Mask

78-113mm ID Orion Pinpoint Telescope Focusing Mask

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