• 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 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

Professional 31.75 mm (1.25 in) narrowband H-Alpha astrophotography filter designed to capture intricate details of emission nebulae under heavily light-polluted skies.

• Ultra-Narrow Bandwidth: 7 nm FWHM centered at 656.3 nm (H-Alpha line emitted by ionized hydrogen).
• High Peak Transmission: Over 85%–90% transmittance at the critical 656.3 nm wavelength.
• Extreme Light Pollution Cutoff: Complete blocking from 300 nm to 1100 nm, suppressing sodium (Na) and mercury (Hg) artificial streetlights.
• Advanced Optical Substrate: Double-sided polished optical glass with flatness of 1/4λ and parallelism under 30 arcseconds.
• IAD Multi-Coating: Ion-Assisted Deposition coating technology prevents temperature-induced spectral drift.
• Premium CNC Frame: Anodized aluminum housing with M28.5*0.6 thread and anti-reflection internal extinction finish.

• 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)

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.

The Celestron Reducer/Corrector f/6.3 is a versatile optical accessory that reduces the focal length and focal ratio of your Schmidt-Cassegrain telescope by 37%.

• Turns a slow f/10 telescope into a fast f/6.3 system for wider field views and faster astrophotography exposure times
• Offers a dual focal ratio capability without compromising optical quality
• Fully multi-coated optics for maximum light transmission
• Durable black anodized aluminum housing with knurled grip

Note: Compatible with standard Celestron Schmidt-Cassegrain telescopes (C5, C6, C8, C9.25, C11, C14). Not compatible with EdgeHD, Refractor, Newtonian, or Maksutov optics.

• The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object
• 4-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

Celestron Declination Board for Advanced VX Series Telescopes

• Celestron Replacement Declination Board for Advanced VX Series Telescopes

• Quick and easy no-tool setup
• StarPointer finderscope for convenience
• Quick release dovetail attachment
• Pan handle Alt-Az control with clutch for smooth and acurate pointing
• Rugged pre-assembled tripod with steel tube legs provides a rigid and stable platform
• All coated glass optics for clear, crisp images
• Deluxe accessory tray for convenient and accessible storage of accessories
• Download Starry Night Basic Software with a 36,000 object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxies

Use the ZWO M42 to M48 Extender, with 16.5mm of length, to reach the proper back focus for your system. This 16.5mm spacer is machined out of aluminum and black anodized.

Dual-Standard Compatibility: Fits both Vixen and Losmandy dovetail rails seamlessly.

Precision CNC Machined: Crafted from high-grade anodized aluminum for durability and a clean finish.

Rigid & Flexure-Free: Engineered for maximum stability and zero flexure during astrophotography sessions.

Effortless & Secure Locking: Features an ergonomic knurled thumb knob with an integrated 6mm hex key socket for maximum tightening torque.

• Connector: High density XT-60 connector
• Input: 100-240V AC 50/60Hz
• Output: DC 12V/10A
• Power: 120 Watts
• Easy connection and simplicity to use

• Manual German equatorial mount with setting circles - to locate and track sky objects
• Adjustable, full height steel tripod with deluxe accessory tray
• Quick and easy no-tool setup
• Accessories include a 20mm and 10mm eyepiece, a smartphone adapter, a T-Adapter/Barlow lens, and a finderscope
• The smartphone adapter connects your smartphone to your telescope, so you can capture images and video through the eyepiece
• Download Starry Night Basic Software with a 10,000 object database, printable sky maps and 75 enhanced images

• Ideal for Accurate Polar Alignment
• Well suited for use with Off-Axis Guiders for centering and guiding of stars
• Adjustable red LED light brightness control to illuminate crosshairs and preserve night vision
• Double crosshair reticle for accurate centering and guiding of stars
• Fully coated optics for excellent light transmission on faint stars
• Includes reticle eyepiece and illuminator

• Manual German equatorial mount with setting circles to accurately locate and track sky objects
• Adjustable, full height steel tripod with deluxe accessory tray
• Quick and easy no-tool setup
• Accessories include a 20mm and 10mm eyepiece, and a finderscope
• Download Starry Night Basic Software with a 36,000 object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxies

• Versatile 60mm aperture Guide Scope with a built-in helical focuser for precise focusing of potential guide stars
• Designed for use with the Orion StarShoot AutoGuider and StarShoot AutoGuider Pro (both sold separately)
• Helical focuser collar will not rotate attached autoguider devices during focus adjustments
• Can also be used as a deluxe straight-through finder scope with optional 1.25" eyepieces installed (eyepieces sold separately)
• Weighs just 2 lbs., 0.1 oz.