SVBONY SV137 3X Barlow Lens 1.25 inch Telescope Accessory Metal Body Bundle with SV135 Zoom Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual

SVBONY SV137 3X Barlow Lens 1.25 inch Telescope Accessory Metal Body Bundle with SV135 Zoom Eyepiece, 6 Element 4 Group Telescope Accessories for Astronomic Telescopes Visual

• Fashion appearance;Different from the black that is common in the market;The silvery look makes the product look more stylish;The overall appearance is beautiful and upscale
• Brass compression ring design; A brass compression ring can protect your eyepiece from marring or scratching the barrel; Keeping your eyepiece in new looking
• Lens edges is blackened; The edge of the mirror is matted black; Reduce scattering of stray light and maximize contrast
• SV135 7 mm to 21mm adjustable focal length;SV135 7-21mm zoom eyepiece equivalent to multiple eyepieces ;obtain higher magnification with short focal length;It could bring you a better observation experience in a comfortable situation with high-contrast imaging
• 18mm - 16.3mm comfortable eye relief; especially for eyeglass wearers ;designed primarily for viewing landscapes and astronomical observations of lunar surfaces; planets; nebulae; clusters; and diffuse nebulae