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1.25" Nose Piece Camera Adpter
Starizona$18.95Use this adapter to connect a T-ring or T-mount camera to a 1.25" focuser. Low profile design keeps backfocus short. Threaded for standard 1.25" fi...
View full details$18.95In Stock -
16.5mm T-Spacer
Starizona$24.95Use this female T-thread to male T-thread spacer to extend standard T-thread adapters by 16.5mm.
$24.95In Stock -
1600GTO German Equatorial Mount with Extended Temperature Absolute Encoders - Includes APCC-PRO and PEMPro
Astro-Physics$19,570.00Why a 1600GTO? Thirty plus years of mount design and building expertise has been employed to engineer and manufacture our new 1600GTO mount into th...
View full details$19,570.00 -
1600GTO German Equatorial Mount with Standard Temperature Absolute Encoders - Includes APCC-PRO and PEMPro
Astro-Physics$18,950.00Why a 1600GTO? Thirty plus years of mount design and building expertise has been employed to engineer and manufacture our new 1600GTO mount into th...
View full details$18,950.00 -
1600GTO German Equatorial Mount. Includes APCC-PRO and PEMPro
Astro-Physics$13,450.00Why a 1600GTO? Thirty plus years of mount design and building expertise has been employed to engineer and manufacture our new 1600GTO mount into th...
View full details$13,450.00 -
1mm M48 to M42 Original RASA8 Filter Slider Adapter
Starizona$19.95This replacement adapter came with the original Starizona RASA8 Filter Slider converting the bottom M48 to M42 and adding 1mm to the Filter Slider ...
View full details$19.95In Stock -
2" Nosepiece for SkyWatcher EvoStar ED Reducer
Starizona$49.00This adapter threads into the front (telescope side) threads of the SkyWatcher EvoStar ED focal reducer, allowing the reducer to be placed directly...
View full details$49.00In Stock -
2" to 1.25" Adapter with Twist-Lock
Celestron$44.95The Celestron 2” to 1.25” Adapter with Twist-Lock was designed for visual observers who use both 2” and 1.25” eyepieces regularly and need a quick...
View full details$44.95 -
2" to 1.25" Filter Adapter
Starizona$24.95This filter step ring is made specifically with the Starizona Filter Slider system in mind. It is zero profile, adding no extra height to the 1.25"...
View full details$24.95In Stock -
2-inch XLT Diagonal (SCT)
Celestron$159.95Introducing Celestron's new 2" XLT Diagonal. This high quality multi-coated mirror diagonal allows you to take advantage of the wider field of view...
View full details$159.95 -
2025 Deep Space Mysteries Calendar
Astronomy Magazine$12.99Astronomy’s Deep Space Mysteries calendar is back! The world's best-selling astronomy magazine brings you a calendar filled with stunning images, d...
View full details$12.99In Stock -
2025 Night Sky Almanac: A Month-by-Month Guide to North America's Skies from The Royal Astronomical Society of Canada book
Firefly Books$16.95A portable guidebook for enjoying the night sky in 2025. 2025 Night Sky Almanac is the ideal resource for both novice and experienced sky watchers ...
View full details$16.95In Stock -
32mm Omni Eyepiece - 1.25"
Celestron$49.95Omni eyepieces offer a quality 4-element Plössl optical design at a super affordable price Rubber eyecups provide comfort and increase contrast....
View full details$49.95 -
365 Starry Nights : An Introduction to Astronomy for Every Night of the Year book
Fireside$18.00THE AMATEUR STARGAZER'S ULTIMATE HOME COMPANION 365 Starry Nights is a unique and fascinating introduction to astronomy designed to give you a comp...
View full details$18.00 -
4.2mm Filter Slider Adapter
Starizona$19.95This adapter adds 4.2mm to your Starizona Filter Slider making it 21.7mm in total length, compensating for the .7mm that a standard Filter adds to ...
View full details$19.95In Stock -
40mm Omni Eyepiece - 1.25"
Celestron$49.95Omni eyepieces offer a quality 4-element Plössl optical design at a super affordable price Rubber eyecups provide comfort and increase contrast....
View full details$49.95In Stock -
45-Degree Erect Image Diagonal - 1.25"
Celestron$51.95A great accessory for daytime terrestrial viewing with your telescope This 1.25” diagonal produces right side up and left-to-right correct images...
View full details$51.95 -
50 Things to See on the Moon: A first-time stargazer's guide book
Formac$16.95The moon is our nearest neighbor in space, it's easy to find, it's bright, and you don't have to go anywhere special to view it. Astronomer John A....
View full details$16.95 -
50.8mm Unmounted Filter Holder to 48mm
Starizona$29.99This adapter enables you to mount your unmounted 50.8mm filters to 48mm threads. This mount will allow you to use unmounted 50.8mm filters with Sta...
View full details$29.99In Stock -
7x50mm Square Filter Wheel
ZWOOriginal price $599.00Current price $539.10Description The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the qu...
View full detailsOriginal price $599.00Current price $539.10 -
8-Inch Dovetail Bar (CGE)
Celestron$45.95Dovetail for mounting a Celestron 8" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera. Plea...
View full details$45.95 -
8” Rowe-Ackermann Schmidt Astrograph (RASA 8) Optical Tube Assembly with CGE Dovetail
Celestron$2,079.00Flat field free of optical aberrations like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor. Unlike the ...
View full details$2,079.00 -
9.25-Inch Dovetail Bar (CGE)
Celestron$56.95Dovetail for mounting a Celestron 9.25" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.
$56.95 -
9mm Omni Eyepiece - 1.25"
Celestron$29.95Omni eyepieces offer a quality 4-element Plössl optical design at a super affordable price Rubber eyecups provide comfort and increase contrast....
View full details$29.95 -
A Dictionary of Modern Star Names
Sky & Telescope$12.95Authors: Paul Kunitzsch & Tim SmartSoftcover: 76 pagesSirius, Algol, Castor and Pollux, Mizar and Alcor: these names are well known to stargaze...
View full details$12.95 -
A Field Guide to Birds of the Desert Southwest
Gulf Publishing$21.95Author: Barbara L. DavisPaperback: 320 pagesThis field guide takes you to the desert and grassland areas of Arizona, California, and New Mexico whe...
View full details$21.95 -
A Field Guide to the Moon: Awe and Exploration Across Human History book
Wildsam$20.00Here's a first--a travel guide to the ultimate destination: the Moon. For all of human history, the Moon has captured the world's imagination. In t...
View full details$20.00 -
A Field Guide to the Plants of Arizona
Falcon$24.95Author: Anne Orth EpplePaperback: 532 pagesMore than 900 color photographs and descriptive text identify Arizona's unique flora, including wildflow...
View full details$24.95 -
A Modern Guide to Planetary Imaging
Damian Peach$39.95A Modern Guide to Planetary Imagingis a new DVD release from renowned planetary observer and astronomer Damian Peach. This DVD provides a wealth of...
View full details$39.95In Stock -
A Nightwatchman's Journey: The Road Not Taken book
David Levy$34.95About the book from the Author, David Levy: "It is a book I have been working on for almost a decade, and it is the story of my life. The book begi...
View full details$34.95 -
AC Power Supply - 12V 5A
ShenZhen Technology Co.$24.95Works with ZWO Cameras and ZWO ASIair Works on Celestron Mounts and Products 10ft long cord 2.1x5.5 Male Connector Center positive
$24.95In Stock -
Adapter for HyperStar 11/9.25 and ZWO M42 Filter Drawer for ZWO Cooled Cameras
starizona$69.95Adapter for HyperStar 11 or HyperStar 9.25 and ZWO M42 Filter Drawer for ZWO Cooled Cameras
$69.95In Stock -
ADM DUAL4-M8- 4″ DUAL Series Saddle. 8mm Counterbored Version
ADM Accessories$129.00INCLUDED ITEMS: -1x 4″ DUAL Series Saddle-2x M8 SHCS The 4″ DUAL saddle would be the perfect way to convert the saddle on smaller, lightweight, por...
View full details$129.00 -
ADM DV Series Dovetail Adapter for PoleMaster Mounting
ADM Accessories$84.00Fits D Series or V Series dovetail bars. Attach the QHY PoleMaster to a D series or V Series dovetail bar. Incorporates a split clamp design that g...
View full details$84.00 -
Advanced VX 11" Schmidt-Cassegrain Telescope
Celestron$3,699.0011” (280mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission The most compact and portable of Celestron’s Ge...
View full details$3,699.00 -
Advanced VX 6" Newtonian Telescope
Celestron$1,329.006” (150mm) f/5 optical design gives excellent wide field views Parabolic primary mirror minimizes spherical aberration to produce a better image...
View full details$1,329.00 -
Advanced VX 6" Refractor Telescope
Celestron$1,899.006" (150mm) f/8 objective lens is perfect for high contrast planetary views The most compact and portable of Celestron’s German equatorial mounts...
View full details$1,899.00 -
Advanced VX 8" EdgeHD Telescope
Celestron$2,799.008” (203.2mm) f/10 EdgeHD includes StarBright XLT coatings for better light transmission EdgeHD optical design fully corrects for coma and field ...
View full details$2,799.00 -
Advanced VX 8" Newtonian Telescope
Celestron$1,629.008” (200mm) f/5 optical design provides excellent wide field views Parabolic primary mirror minimizes spherical aberration to produce a better im...
View full details$1,629.00 -
Advanced VX 8" Schmidt-Cassegrain
Celestron$2,299.00The iconic 8-inch Schmidt-Cassegrain has been known for decades as Celestron’s most beloved telescope. Now beginner to intermediate astroimagers ca...
View full details$2,299.00In Stock -
Advanced VX 9.25" EdgeHD Telescope
Celestron$3,679.009.25” (235mm) f/10 EdgeHD optical tube fully corrects for coma and field curvature, delivering a truly flat field Native f/10 focal ratio can a...
View full details$3,679.00 -
Advanced VX 9.25" Schmidt-Cassegrain Telescope
Celestron$2,949.009.25” (235mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission The most compact and portable of Celestron’...
View full details$2,949.00 -
Advanced VX Mount
Celestron$1,179.00Engineered from the ground up with astroimaging in mind, the new Advanced VX series from Celestron sets a new standard in mid-level telescopes. Adv...
View full details$1,179.00In Stock -
Airy Disk 0.75x Flat-field Adapter
Airy Disk$280.003 element - 0.75x-Flat Field for sharper stars all to way to the edge. Specifically made for the 106mm APO. Screws on to the M63x1-Thread. 0.75x f...
View full details$280.00In Stock -
Airy Disk 0.8x Full-Frame Reducer / Flattener for AP204
Airy Disk$650.000.8x Field Flattener / Reducer for the 204mm 3 Glass Elements 55mm Back Focus, adjustable to 88mm Connects to our focuser by M63x1 Camera side: M48...
View full details$650.00