SVBONY SV197 Optical Axis Adjustment Eyepiece Collimator Newton Telescope Long Type inch Diameter Optical Axis Adjustment Eyepiece Collimation

Cheshire collimating eyepiece for precisely aligning the mirrors of Newtonian reflecting telescopes. Ideal for ensuring optimal optical alignment. Precision machined from aluminum with a clear bright mirror with fine crosshairs and aiming holes. Fits 1.25 inch focuser and is made of high quality material, anti-rust, wear-resistant and durable. Comes with dust-proof and moisture-proof rubber cover Comes with a crosshair for easy collimation adjustment. A peephole on the top and crosshairs on the bottom allow precise alignment of the reflective optics. Easy to use, carry and store. The collimation eyepiece is more accurate than normal collimation tools and helps you enjoy the stars more. 1.Cheshire collimating eyepiece for precise alignment of Newtonian reflecting telescope mirrors. Ideal for ensuring optimal optical alignment. 2. Accurate collimation is essential to ensure the best performance from a reflecting telescope. This quality, easy-to-use Cheshire eyepiece is the recommended way to achieve this. 3. Upper peephole and lower crosshair allow precise alignment of reflective optics. 4. Precision machined from aluminum with a clear bright mirror with fine crosshairs and aiming holes. 5. Fits 1.25 inch focuser, anti-rust, wear-resistant and durable. 6. Note: This collimation aid is also useful for very precisely aligning refractive optics. Specifications: 1. Connection size: 1.25" 2. Applicable type: Newtonian and SCT reflecting telescope 3. Body material and processing: Aluminum and CNC 4. Crosshair material: Steel 5. Net weight: 156g / 5.51oz 6. Dimensions: 141 * 41 * 32mm Package contents: 1x SV197 Collimation eyepiece - 1.25" 1x Dust cover Bar-1.25"