• 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

• 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

• Explore the Universe and control your NexStar Evolution telescope with the free Celestron SkyPortal app for iOS and Android!
• Portable 9.25-inch Schmidt-Cassegrain optical tube with StarBright XLT optical coatings and Fastar compatibility
• Computerized GoTo mount with high-performance worm gears and motors for improved tracking accuracy, along with reduced gear backlash
• Rechargeable lithium-iron phosphate battery with enough power for 10 hours of continuous observing
• Improved industrial design with manual clutches and integrated carry handles, plus the added convenience of two accessory trays and a USB charge port for your smart device

• The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light

• 65 mm Refractor Spotting Scope
• Multi-Coated optics
• 45° viewing angle
• 18-55x zoom eyepiece
• Sight tube for quick targeting
• Waterproof
• Soft carrying case
• Limited Lifetime Warranty

• Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light

• 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 105mm back focus to accomodate additional accessories and a wide variety of cameras
• Compatible with EdgeHD 800 T-Adapter

• Replace your 1.25” visual back with this SCT to 2” Adapter and enjoy stunning views through 2” eyepieces and other accessories
• Internal threads provide a secure connection to the rear cell of most Schmidt-Cassegrain or Maksutov-Cassegrain telescopes
• Brass compression ring holds 2" eyepieces or diagonals tightly without scratching their barrels
• Use with photo adapters to attach imaging cameras to the rear of your Schmidt or Maksutov telescope
• Features a durable, anodized black aluminum housing

• Unleash the power of your smartphone to take you on a guided tour of the night sky—no telescope experience required.
• Patented, award-winning StarSense sky recognition technology uses your smartphone to analyze star patterns overhead and calculate the telescope’s position in real-time.
• A large 8” parabolic primary mirror with XLT coatings helps you make the most of StarSense technology. Locate faint, deep-sky objects in seconds and see them in more detail than ever before.
• A sturdy, Dobsonian-style base with large diameter bearings and variable altitude tensioning makes it easy to follow the on-screen arrows to your desired target. When the bullseye turns green, it's ready to view in the telescope's eyepiece.
• StarSense Explorer app automatically generates a list of objects currently visible. View planets, brighter nebulae and galaxies, star clusters, and double stars from the city. Or take your telescope to darker skies to see even more.
• Includes a 25mm Plössl eyepiece, a 2” Crayford focuser, the StarSense smartphone dock, a StarPointer™ red dot finderscope, an eyepiece rack, and a collimation tool.

• 20x magnification porro prism binocular
• Giant 80 mm objective lens offers maximum image brightness in low-light and long-range conditions
• Ultra sharp focus across the field of view
• Multi-Coated optics for sharp, clear views
• Suitable for terrestrial or astronomical viewing
• Protective rubber covering for ultra-firm grip
• Large center focus knob for easy focusing
• Integrated tripod adapter rod for ultra-stable tripod mounting
• Long eye relief ideal for eyeglass wearers
• Soft carrying case included for travel and safe storage

• Large 80 mm objective lenses for excellent light gathering in low light conditions or for astronomical observing
• Detachable RSR rail for attaching an optional red dot finderscope
• Rubber armored for improved ergonomics and protection from every day use in the field
• Waterproof and nitrogen purged for use in all weather conditions

Celestron T-Adapter with SCT 5, 6, 8 with 9.25, 11, 14

• The Celestron T-Adapter attaches an SLR or DSLR camera to a Schmidt-Cassegrain telescope for prime focus photography
• Threads on to the rear cell of Schmidt-Cassegrain telescopes
• T-threads accept camera brand specific T-Ring (sold separately)

• X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
• Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
• A treaded rubber grip offers a no-slip grip, even with gloves on
• 1.25” barrels are threaded to accept filters

• X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
• Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
• A treaded rubber grip offers a no-slip grip, even with gloves on
• 1.25” barrels are threaded to accept filters

This is a black anodized metal female to female 11mm T-thread (M42 x 0.75) spacer. This is the same 11mm spacer that comes with all the ASI1600 series cameras. We are offering it for those who need a replacement spacer or for those who require a female to female 11mm spacer with T2 threads.

Use the ZWO M42 to M42 Extender, with 21mm of length, to reach the proper back focus for your system. This 21mm spacer is machined out of aluminum and black anodized.

• A portable telescope kit with everything you need to get started: 70mm refractor telescope with fully coated glass optics, full height tripod, travel backpack, plus lots more
• Smartphone Photography Accessories - Capture images and video through your Travel Scope with the included smartphone adapter and Bluetooth shutter release
• More Bonus Accessories – You’ll also receive two eyepieces (20mm and 10mm), an erect image star diagonal, a 2x Barlow lens, a Moon filter, and a finderscope
• Day-to-Night Performance – Use your Travel Scope™ for celestial viewing at night or for observation of birds, nature, and wildlife during the day
• The custom backpack fits your telescope and all its accessories comfortably
• Observe in no time with a quick and easy, no-tool setup
• Pan handle Alt-Az control with clutch for smooth and accurate pointing

• 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