Description: Place the Bahtinov Focus-Mask over the end of your telescope, then locate a bright star near your target, take a 3-5 second picture and view the diffraction spikes. Change your focus, take another picture and again, view your diffraction spikes. Is the center spike moving further from center? Then change the direction your focusing and try another picture. Watch the direction the spikes are moving and when the center spike passes the middle of the other two spikes, change direction and fine tune your tuning knobs until the center spike is in the middle. Your now in perfect focus. Features: Suitable for telescopes 85mm to 110mm, Universal adaptation, 3 bolts allow the mask to be simply attached to any telescope Aluminium alloy material thickness: 1 mm Color: Black Package Includes: 1 X 80mm Bahtinov Mask 3 X Screw Kit
Price: 10.79 USD
Location: Zhengzhou
End Time: 2024-09-21T02:41:25.000Z
Shipping Cost: 0 USD
Product Images
Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
Country/Region of Manufacture: China
Telescope Type: Catadioptric
Compatible Brand: Universal
Focal Length: No
Material: Metal
Series: No
Type: Mask
Compatible Model: Universal
Features: metal
Compatible Series: Universal
MPN: Does Not Apply
Brand: Angeleyes
Item Diameter: See detail
Unit Quantity: 1
Unit Type: Unit
