Professional 1.25 Collimator Eyepiece in Solid Aluminum Alloy Construction Collimation Optical Accessory Professional calibration tool Features: Discover the precise of our all metal 1.25inch Optical Collimation Eyepiece for Telescopes. Achieve perfect enhances your viewing experience. Crafted from durable aluminum alloy, our black 1.25inch Optical Collimation Eyepiece is built to last. Its threaded design ensures a secure fit, while its compact size makes it easy to carry and store. Designed for astronomy enthusiasts and professionals, our 1.25 inch Optical Collimation Eyepiece is a must have tool for accurate collimation. Perfect for both beginners and experienced stargazers. Whether you're observing universe objects or capturing breathtaking astrophotography, our 1.25inch Optical Collimation Eyepiece for performances. Take your stargazing to new height. Improve your setups with our quality 1.25 inch Optical Collimation Eyepiece. Experience sharper images, improved clarity, and enhanced overall viewing satisfaction. Specifications: Material:Aluminum Alloy Color:Black Size:Approx.14.5x3.5cm/5.7x1.4inch Black Thread:1.25inch/31.75mm Package Includes: 1xTelescope Collimation Eyepiece Note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.