Bahtinov Telescope Focusing Mask Caliber 1.5mm Thickness Focus Hood Focusing Fis

Product 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.

• Suitable for telescopes front end diameter 65mm to 321mm, Universal adaptation, 3 bolts allow the mask to be simply attached to any telescope

• Aluminium alloy material thickness: 1.5 mm

• Color: Black

• 1 X Bahtinov Mask

• 3 X Screw Kit

About Prime Living

Prime Living is a Canadian online store offering a carefully selected range of quality products for home, automotive, tools, outdoor living, electronics and more.

We are committed to fast order processing, secure packaging and reliable tracked shipping to provide an excellent shopping experience.

Shipping policy

We carefully prepare and inspect every order to ensure it is securely packaged and shipped as quickly as possible. While we strive to deliver every package on time, occasional delays may occur due to factors beyond our control, such as weather conditions, customs clearance, or carrier operations.

We offer free shipping on all orders and dispatch them within 2 business days after payment, often sooner. All packages are shipped via tracked international express air shipping, allowing you to monitor your order every step of the way.

Estimated delivery time is generally between 10 and 20 business days, depending on your location and local carrier processing times. Our goal is to provide a fast, safe, and reliable delivery experience for every customer.

Returns

Your satisfaction is important to us. Prime-Living Canada offers a 14-day Free return policy: if you are not fully satisfied with your purchase, you may request either a full refund or an exchange. All return shipping costs are fully covered by us.

Condition

Brand New

Shipping

This item is shipped directly from our supplier in China with tracking.