Telescopes & Astronomy

The Sirius 3x Barlow lens triples your telescope's magnification, letting you explore lunar craters and planetary details with stunning clarity. Its fully multi-coated, 3-element apochromatic design minimizes chromatic aberration for crisp, sharp images, while the built-in M42 thread doubles as a T-adapter for easy DSLR or SLR camera attachment.

• Quality X-Cel LX 2x Barlow doubles the magnification of any 1.25” eyepiece
• 3-element apochromatic, fully multi-coated optics offer up bright, sharp images
• A rubber grip helps to avoid accidental drops
• Barrel is threaded to accept standard 1.25” filters
• A brass compression ring holds the eyepiece firmly in place

• Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes
• 3-element apochromatic, fully multi-coated optics offer up bright, sharp images with excellent color correction
• A rubber grip helps to avoid accidental drops
• Barrel is threaded to accept standard 1.25” filters
• A brass compression ring holds eyepiece firmly in place

• The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 800 one full f-stop faster than f/10, doubling the equivalent exposure at f/10
• 4-element lens design
• Maintains similar flat-field performance as native EdgeHD optical design
• Increases field of view by 43% (double by area) to better capture wide field images
• Optimized for APS-C sized sensors, including most DSLR cameras and Nightscape CCD cameras
• Provides generous 105 mm back focus to accomodate additional accessories and a wide variety of cameras
• Compatible with EdgeHD 800 T-Adapter

• The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1100 one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object
• 5-element lens design
• Maintains similar flat-field performance as native EdgeHD optical design
• Increases field of view by 43% to better capture wide field images
• Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
• Maintains the identical back focus when used at f/10 and provides generous back focus to accommodate additional accessories and wide variety of cameras
• Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens

• The Celestron Universal Barlow & T-Adapter is three accessories in one!
• 2X Barlow:  Use during visual observing to double the magnification of every 1.25” eyepiece you own
• Prime Focus Photography: Use the T-Adapter portion of this accessory to transform your telescope into a giant telephoto lens
• Tele-Extended Photography:  Use the T-Adapter with Barlow to get double the magnification of prime focus mode 
• T-threads accept camera brand specific T-Ring (sold separately)

• The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1400 one full F-Stop faster than f/11, reducing your exposure time by half to capture the same brightness of object
• 5-element lens design
• Maintains similar flat-field performance as native EdgeHD optical design
• Increases field of view by 43% to better capture wide field images
• Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
• Maintains the identical back focus when used at f/11 and provides generous back focus to accommodate additional accessories and wide variety of cameras
• Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens

• This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes
• This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality
• The Reducer/Corrector is f/6.3 for C5, C6, C8, C9¼ and C11 telescopes and f/7 for the C14 telescope