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0.77x Reducer/Flattener for Esprit 120
Sky-Watcher$500.0034mm fully illuminated field but can handle full frame as well 95mm back-focus (55mm when back focus spacer and M48 ring installed) Drops f/ratio...
View full details$500.00 -
0.9x Reducer/Corrector for Skywatcher Evolux 62mm
Sky-Watcher$375.000.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 62mm re...
View full details$375.00 -
0.9x Reducer/Corrector for Skywatcher Evolux 82mm
Sky-Watcher$385.000.9x thread-on reducer/corrector produces a flat field across the entire image while shortening exposure time by 24%. Optimized for Evolux 82mm re...
View full details$385.00 -
12mm 92° Long Eye Relief Eyepiece
Explore Scientific$799.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series™ eyepieces are hyper-wide class oculars that can transfor...
View full details$799.99 -
13mm Nagler - Type 6
Tele Vue$335.00The 7-element, Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design update for the short focal length Na...
View full details$335.00 -
14-Inch Dovetail Bar (CGE)
Celestron$78.95Dovetail for mounting a Celestron 14" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.
$78.95 -
14mm 100° Series Argon-Purged
Explore Scientific$679.99Nitrogen-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fin...
View full details$679.99 -
14mm 82° Series Argon-Purged
Explore Scientific$229.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$229.99 -
In 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 -
16mm 68° Series
Explore Scientific$219.9916mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel
$219.99 -
17mm 92° Long Eye Relief Eyepiece
Explore Scientific$799.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series™ eyepieces are hyper-wide class oculars that can transfor...
View full details$799.99 -
18mm 82° Series Argon-Purged
Explore Scientific$319.95Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$319.95 -
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 -
20mm 100° Series Argon-Purged
Explore Scientific$799.99Nitrogen-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fin...
View full details$799.99 -
20mm 68° Series
Explore Scientific$219.9920mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel
$219.99 -
22mm Nagler - Type 4
TeleVue$487.00The Nagler eyepiece represents the ultimate in the visual stargazing experience. With an 82-degree field of view, and tack-sharp, high-contrast opt...
View full details$487.00 -
24mm 68° Series
Explore Scientific$269.9924mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel
$269.99 -
24mm 82° Series Argon-Purged
Explore Scientific$439.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$439.99 -
25mm 100° Series Argon-Purged
Explore Scientific$999.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...
View full details$999.99 -
28mm 68° Series
Explore Scientific$299.9928mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel
$299.99 -
2x Powermate - 2''
TeleVue$343.00Powermate Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. The simple negative element Barl...
View full details$343.00 -
30mm 100° Series Argon-Purged - 3" Barrel
Explore Scientific$1,099.99Argon-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fine p...
View full details$1,099.99 -
30mm 82° Series Argon-Purged
Explore Scientific$499.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$499.99 -
34mm 68° Series
Explore Scientific$419.9934mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel
$419.99 -
4.7mm 82° Series Argon-Purged
Explore Scientific$229.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$229.99 -
40mm 68° Series
Explore Scientific$519.9940mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel
$519.99 -
5.5mm 100° Series Argon-Purged
Explore Scientific$549.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...
View full details$549.99 -
6.7mm 82° Series Argon-Purged
Explore Scientific$229.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$229.99 -
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 -
8.8mm 82° Series Argon-Purged
Explore Scientific$229.99Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...
View full details$229.99 -
8” ROWE-ACKERMANN SCHMIDT ASTROGRAPH (RASA 8)
Celestron$2,079.00The 8” RASA is an imaging telescope that delivers a flat field without optical aberrations for razor sharp stars across a wide field of view. It ca...
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 100° Series Argon-Purged
Explore Scientific$579.99Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...
View full details$579.99 -
9mm 120° Series Argon-Purged
Explore Scientific$999.999mm Focal Length 120° Apparent Field 13mm Eye Relief Argon-Purged Waterproof EMD Coatings 2" Barrel
$999.99 -
AC Adapter - Celestron CPC/NexStar/CGE Series Telescopes
Celestron$27.95This 2.5-amp AC adapter works with any Celestron CPC, NexStar GPS, NexStar SE, NexStar GT, NexStar SLT or CGE series telescope, as well as some old...
View full details$27.95 -
Advanced VX 11" Schmidt-Cassegrain
Celestron$3,699.00For those looking to step up to an 11-inch optical tube, Advanced VX is a great option. Not only is it one of Celestron’s most affordable 11-inch t...
View full details$3,699.00 -
Advanced VX 6" Newtonian
Celestron$1,329.00For those new to astronomy and astroimaging, the Advanced VX 6” Newtonian is an excellent entry-level setup that can grow with you. The Newtonian o...
View full details$1,329.00 -
Advanced VX 6" Refractor
Celestron$1,899.00For planetary imaging and brighter deep-sky objects, many astroimagers say there’s no better choice than a refractor. Unlike Schmidt-Cassegrain or ...
View full details$1,899.00 -
Advanced VX 6" Schmidt-Cassegrain
Celestron$1,749.00For the intermediate visual observer and beginning astroimager, the Advanced VX 6” SCT is the most affordable Schmidt-Cassegrain telescope on a sol...
View full details$1,749.00 -
Advanced VX 8" EdgeHD
Celestron$2,799.00This setup offers the astroimager maximum versatility – allowing up to 3 different f-stop configurations. Users can attach a camera to the rear of ...
View full details$2,799.00 -
Advanced VX 8" Newtonian
Celestron$1,629.00Large aperture at an affordable price, Celestron's Advanced VX 8” Newtonian provides 78% more light-gathering abilities compared to the 6” model. T...
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$2,299.00 -
Advanced VX 9.25" Schmidt-Cassegrain
Celestron$2,949.00Advanced VX 9.25” SCT is an excellent choice for intermediate level astroimagers looking to gather 33% more light than our 8” telescope, but withou...
View full details$2,949.00 -
In Stock
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 -
In Stock
Apex ED 0.65x Reducer / Flattener
starizona$449.95With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telescope like an RC becomes a speedy f/...
View full details$449.95In Stock -
In Stock
APM-Riccardi Universal Apo Flattener 1.0x – Model 2
APM$495.00APM Riccardi Universal APO Flattener 1.0x- Model 2 for APO Telescopes Our new, universal flattener for APO’s was calculated with the famous optical...
View full details$495.00In Stock -
In Stock
Askar FMA230 50mm f/5.5
Askar$629.00The FMA230 has a compound lens system. The front objective lens comprises three lenses and the posterior reducer is composed of four lenses and thu...
View full details$629.00In Stock