• Large 406mm aperture delivers dazzling views, 1800mm focal length, f/4.4 focal ratio
• Built-in Wi-Fi telescope control
• Innovative collapsible design for portability, storage, and back focus for astrophotography all while retaining collimation
• 3257x more light-gathering power than the human eye
• Patented Freedom Find™ technology uses dual encoders to allow manual control while retaining alignment
• Patented tension control handle allows for precise slewing and maximum stability
• Parabolic primary mirror with Radiant™ Aluminum Quartz (RAQ™) coating for 94% light reflectivity
• Heavy-duty rocker box with Teflon™ bearings provide a stable base with smooth motion
• 2-inch dual-speed Crayford-style focuser with 1.25-inch adapter allows for use of nearly any eyepiece
• 9x50 straight-through finderscope, 10 and 25mm 4-element 1.25-inch Plössl eyepieces, and SynScan hand controller with 42,000+ object database included

ZWO Male M48 to Female M42 Adapter - ZWO-M48-M42

• Attach a variety of accessories to your equipment.

This ZWO M48-M42 adapter allows you to connect an accessory that has an M42x0.75 male thread to another accessory that has an M48x0.75 female thread.

• Prepared Slides For Hours and Hours of Enjoyment and Discovery
• 1" x 3" (25mm x 76mm) Glass Slides
• Packed in a Wooden Case
• Listing of each of the Slides

• NexStar+ Hand Control works with Celestron equatorially mounted computerized telescopes
• Compatible with Advanced VX, CGEM, CGEM II, CGX, and CGX-L series telescopes and mounts
• Flash upgradeable via the Internet; latest updates can be found at Celestron.com
• 40,000-object database
• Dual line, 16-character LCD screen with adjustable backlighting
• Now connects to your PC directly with a mini-USB cable (cable not included) for software updates or optional telescope control with third party software

• High quality 127 mm Maksutov-Cassegrain
• Fully computerized Altazimuth mount
• StarPointer™ finderscope to help with alignment and accurately locating objects
• Quick-release fork arm mount, optical tube and accessory tray for quick no tool set up
• Sturdy stainless steel tripod and accessory tray included
• Perfect for terrestrial and celestial observing
• BONUS Starry Night Special Edition Astronomy Software download with a 36,000-object database, printable sky maps and enhanced images including 3D renderings of stars, exoplanets, and galaxies

• Compatible with Many Imaging OTAs
• Universal USB-C Interface
• Micron-Level Precision Focusing
• Focus Adjustment Knob
• Maximum Load Capacity: 11 lb
• Built-In Battery Power Supply
• Bluetooth Connectivity
• Autofocus & Manual Modes
• Supports ASCOM/INDI Drivers for Software
• Native Support for ASIAIR

• 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 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

• 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

• 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 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