Specification Brand : Generic BulletPoint1 : Good Functions: The mask takes the guesswork out of focusing and even overcomes conditions to give your telescope the best focus quickly and easily. BulletPoint2 : Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts come with scratch silicone covers to your telescope . This prevents slippage while keeping the mask perfectly centered. BulletPoint3 : Applicable Size: The outer diameter of the bahtinov mask supports the telescope objective lens in the range of 120 to 160mm (there is a 1‑2mm error in manual measurement). BulletPoint4 : Wide Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for , all you need to do is measure your telescope tube size and choose the appropriate mask size. BulletPoint5 : Post Installation and Lightweight Design: Thanks to this 3 post mount, the mask remains centered while fitting a wider range of telescopes. The bahtinov focus mask for telescopes is lightweight so you won't upset the balance of the scope. CompatibleDevices : Photography Tripods with 3/8in thread ExternallyAssignedProductIdentifier1 : 0726189212828 ExternallyAssignedProductIdentifier2 : 726189212828 EyePieceLensDescription : Barlow Finderscope : Reflex FocalLengthDescription : 120 millimeters FocusType : Manual Focus GpsrSafetyAttestation : 1 IncludedComponents : 1 x Secondary mirror ItemName : Telescope Focus Mask, 120 to 160mm Provide The Best Focus Acrylic Anti Slip Bahtinov Mask for Reflector ItemPackageDimensions_Height : 19.7 centimeters ItemPackageDimensions_Length : 1.6 centimeters ItemPackageDimensions_Width : 16.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : reflecting-telescopes MagnificationMaximum : 8 Manufacturer : Generic Material : Aluminum MinFocalLength : 28 ModelName : Genericug3kinr5vc ModelNumber : Genericug3kinr5vc NumberOfItems : 1 PartNumber : Genericug3kinr5vc PowerSourceType : Manual Operation ProductDescription : 1. Wide Applications: Works with all types of telescopes, mirrors, refractors, for Dobsonians, for Mak Cas and for , all you need to do is measure your telescope tube size and choose the appropriate mask size. 2. Good Functions: The mask takes the guesswork out of focusing and even overcomes conditions to give your telescope the best focus quickly and easily. 3. Metal Posts: The mask grips the telescope tube gently and firmly with three metal posts. These metal posts come with scratch silicone covers to your telescope . This prevents slippage while keeping the mask perfectly centered. 4. Post Installation and Lightweight Design: Thanks to this 3 post mount, the mask remains centered while fitting a wider range of telescopes. The bahtinov focus mask for telescopes is lightweight so you won't upset the balance of the scope. 5. Applicable Size: The outer diameter of the bahtinov mask supports the telescope objective lens in the range of 120 to 160mm (there is a 1?2mm error in manual measurement).
Specification: Item Type: Telescope Focus Mask Material: Acrylic Thickness: Approx. 2mm / 0.08in Color: As Pictures Shown Weight: Approx. 46g / 1.6oz The Outer Diameter Size Range of the Telescope Objective Lens Is Supported: Approx. 120-160mm / 4.7-6.3in (there is an error of 1-2mm in manual measurement)
packing list: 1 x Bahtinov Mask 3 x Mounting Accessories