No chromatic aberration, compression ring to protect your eyepieces. | Very high-quality aluminium housing with rubber armoured grip. | Take high-end quality planetary photos, multi-layer, multi-coating for high contrast. | Simple to increase your eyepiece's magnification, no chromatic aberration. | Premium apochromatic Barlow lens with four lens design.

The 1.25 barrel is internally threaded for use with Alstar 1.25" eyepiece and imaging filters. The inside of the 5x High-Power Barlow's barrel is also glare threaded to help prevent internal reflections. | The Alstar High-Power 5x 4-Element Barlow Lens quintuples the power of any 1.25" telescope eyepiece. | Featuring a high-quality 4-element lens design, the Alstar High-Power 5x Barlow will render exquisite images without introducing additional chromatic abberation while providing a monstrous 5x power boost. | The Barlow lens elements are fully multi-coated with anti-reflection coatings to ensure maximum light throughput for bright, crisp views. | The lenses are also edge-blackened to further maximize contrast and sharpness.

Premium apochromatic Barlow lens with four lens design. | No chromatic aberration, compression ring to protect your eyepieces. | Take high-end quality planetary photos, multi-layer, multi-coating for high contrast. | Simple to increase your eyepiece's magnification, no chromatic aberration. | Very high-quality aluminium housing with rubber armoured grip.

The laser comes fully adjusted; It can be further adjusted if required; It has three openings for adjustment: arranged at 120 degree which are initially sealed; The battery can be exchanged by unscrewing the small screw cap at the rear of the laser | This adjustment tool can be used in all 1.25 inch focusers; We provide you with precise instructions in German and English with a step by step explanation of how to adjust a telescope using this laser unit; Even if you are a newcomer to amateur astronomy | The laser unit has a front opening from which the laser beam can be emitted; It has a side window allowing a disk oriented at 45 degree with a central hole to be viewed; This can be later be used to see whether the laser is reflected back on itself | Built with metal material; CR2032 Lithium Cell battery which is Not include; Accurate collimation in a few minutes provide a more clearer image; The telescope can be collimated by just one person | Designed for Reflector telescope; Red laser collimation beam with 7 brightness levels; wavelength 635 to 655 nm; Output power less than 5 mw; This sturdy laser unit allows you to swiftly and precisely collimate your telescope

The required spacing can be achieved by combining several extenders of differing lengths; you can use 1 piece; 2 pieces; 3 pieces or 4 pieces of the extension rings as you like | Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners | The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography | All metal construction and anodizing aluminium process for long time use | Male thread: M42x0.75; Female thread: M42x0.75; Eliminates a range of focusing problems

Having the right equipment to shoot art-gallery images of the heavens starts with the right telescope, camera and camera adapter, and ends here. | Inner ring can be rotated with a standard allen key (allen key provided) to ensure lens is always right way up. | All metal construction and anodizing aluminium process, durable for long time use. | It is very easy to use. Simply attach this adapter to your camera the same way as you attach a lens then screw your T2 lens or accessory into the adapter. | Compatible with: Fuji film FX X-T1 X-A1 X-E2 X-M1 X-E1 X-Pro1 Camera.

All metal construction; anodic oxidation treatment | This tripod to provide convenience for the telescope | Easily connect binoculars with a front tripod screw socket to any mount using a standard tripod screw | Simple and resistant; the mount tripod adapter provides a rigid and secure base near the center of the binoculars and Eliminate image shake in high power binoculars | Suitable for the roof and tiantai ornamental accessories