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Eyepieces, Barlows, Filters, Star Diagonals, Adapters, Collimators, OTAs, & accessories for the Observer.





TELEVUE NAGLER TYPE 5, 1.25", 6-ELEMENT, 16MM, 82 DEGREES TELEVUE DELOS, 1.25", ?-ELEMENT, 12MM, 72 DEGREES BAADER CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220
TELEVUE NAGLER TYPE 5, 1.25", 6-ELEMENT, 16MM, 82°
Usually Ships in 24 Hours
List Price: $440.00
Our Price: $340.00
Savings: $100.00
2 in stock!
TELEVUE DELOS, 12MM, 72°, 1.25", LONG EYE RELIEF
Usually Ships in 24 Hours
List Price: $445.00
Our Price: $340.00
Savings: $105.00
1 in stock!
BAADER PLANETARIUM CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220
Usually Ships in 24 Hours
List Price: $148.00
Our Price: $102.99
Savings: $45.01
1 in stock!
The Type-5 16mm is a smaller, lighter (0.45 lbs.), 1¼" only, 6-element design. This eyepiece looks like a 19mm Panoptic, but packs the visual impact and sharpness of the 82° Nagler series. This eyepiece offers owners of 1¼" only scopes the largest possible true field in an 82° apparent field eyepiece. Great for binoviewers.. Delos' 72° field produces incredible sharpness from edge to edge--Perfect for all objects.  perfect for glasses wearers and non-glasses wearers because of an innovative eyecup design. BAADER PLANETARIUM CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220 REPLACES SCT VISUAL BACK AND ALLOWS FOR USE OF 2" DIAGONALS
TELEVUE DELITE 15MM,1.25",62° Lumicon Deep Sky Broadband Filter 2" EXPLORE SCIENTIFIC 82° SERIES 8.8MM WATERPROOF Ar EYEPIECE--1.25"
TELEVUE DELITE 15MM,1.25",62°,LONG EYE RELIEF EYEPIECE
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List Price: $325.00
Our Price: $250.00
Savings: $75.00
1 in stock!
Lumicon Deep Sky Broadband Filter 2"
Usually Ships in 24 Hours
List Price: $420.99
Our Price: $299.99
Close Out $219.00
Savings: $201.99
2 in stock!
EXPLORE SCIENTIFIC 7-ELEMENT 82° SERIES 8.8MM WATERPROOF AR EYEPIECE--1.25"
Usually Ships in 24 Hours
List Price: $333.99
Our Price: $149.99
Savings: $184.00
3 in stock!
TeleVue 15mm DeLite 62 Eyepiece with 20mm of eye relief, lightweight, telescoping/lockable eyecup, with unsurpassed optical clarity, sharpness, and contrast.
DioptRx-ready. Small,1.25" size is perfect for bino-viewing.
The benchmark for broadband light pollution reduction, contrast enhancing, nebula filtersLumicon Deep Sky Broadband Filter 2" An ultrawide 82° field and argon-purged waterproof construction w/superb coatings all combine to make these the "Everyman's Series", useful on every type of object. 8.8mm FL
ASTROSYSTEMS ULTRA LOW ADAPTER Olivon 58° -- HD 20mm 1.25" eyepiece BAADER HYPERION MKIII 8-24 CLICK-STOP ZOOM #2454824--2"/1.25"
ASTROSYSTEMS ULTRA LOW DROP-IN EYEPIECE ADAPTER, 2.0" TO 1.25" W/COMPRESSION RING
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List Price: $46.00
Our Price: $29.99
Savings: $16.01
3 in stock!
Olivon 58° -- HD 20mm 1.25" 5-element eyepiece
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List Price: $98.00
Our Price: $63.00
Sale Price: $50.00
Savings: $48.00
3 in stock!
BAADER HYPERION MKIII 8-24 CLICK-STOP ZOOM EYEPIECE #2454824--2" OR 1.25"
Usually Ships in 24 Hours
List Price: $432.00
Our Price: $289.99
Savings: $142.01
2 in stock!
ASTROSYSTEMS ULTRA LOW DROP-IN EYEPIECE ADAPTER, 2.0" TO 1.25" W/COMPRESSION RING. SOLVES FOCUSING PROBLEMS W/O MOVING THE MIRROR. Olivon 20mm HD 58 degree astronomical eyepiece for general widefield observations High performance zoom eyepiece w/variable focal length 8-24mm with click stops
Hyperion Phantom Group multi-coated 42 (24mm) to 70 degree (8mm) FOV
DGM NPB narrowband nebula filter 1.25" UNIHEDRON SQM-L--NARROW FIELD VERSION TELEVUE ETHOS, 2"/1.25", 9-ELEMENT, 10MM, 100 DEGREES
DGM NPB narrowband nebula filter 1.25"
Usually Ships in 24 Hours
List Price: $120.00
Our Price: $75.00
Savings: $45.00
2 in stock!
UNIHEDRON SKY QUALITY METER (SQM-L)--NARROW FIELD VERSION
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List Price: $179.99
Our Price: $134.99
Savings: $45.00
1 in stock!
TELEVUE ETHOS, 2"/1.25", 10MM, 100°
Back Order
List Price: $780.00
Our Price: $610.00
Savings: $170.00
(Currently not in stock, but they're on order)
DGM NPB narrowband nebula filter 1.25",23nm narrow bandwidth for superb contrast along with deep red transmission for imaging and better visuals An accurate meter for measuring sky brightness for astronomers in magnitude per square arc-second, the "Sky Quality Meter" has superb sensitivity in a handheld meter! Narrow 20° field. The best 100-110° eyepieces made. Superb clarity, color-fidelity, edge-of-field sharpness, light transmission, ultra-low distortion & comfortable 15mm eye relief. Ethos eyepieces have an enormous field with superb contrast. 21 to 3.7mm focal lengths available.
Howie Glatter Laser Collimator--2" 635nm
VIXEN SSW 10MM 7-ELEMENT 83° ULTRAWIDE EYEPIECE-1.25"
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List Price: $490.00
Our Price: $349.99
Savings: $140.01
2 in stock!
TELRAD DEWSHIELD+ W/MIRROR FOR 90° VIEWING
Usually Ships in 24 Hours
List Price: $40.00
Our Price: $30.00
Savings: $10.00
1 in stock!
Howie Glatter Laser Collimator--2" 635nm
Usually Ships in 24 Hours
List Price: $245.00
Our Price: $175.00
Savings: $70.00
2 in stock!
10mm Vixen SSW Ultra Wide 83° 7 element eyepiece, Lanthanum and tantalum glass, Japanese made, Full multi-coatings, even on cemented surfaces, work with fast f/4.0 optics. Telrad dewshield+ incorporates a mirror in the dewshield to allow a 90° use of the Telrad for convenience. Keeping the dewshield cover over the combining glass when not in use allows Telrad to be used all night--even in dewy conditions--without a heater. Howie Glatter Laser Collimator--2" 635nm
Best for daytime or twilight use--brighter, more orange beam is more visible in daytime.



SUPER DEALS

Nexus DSC

List Price: $647.95
Our Price: $404.99
Savings: $242.96
Nexus DSC
NEXUS DSC ADVANCED DIGITAL SETTING CIRCLES--WIFI HEAD UNIT, MICRO SD CARD, CHARGER. Nexus DSC is an advanced digital setting circles computer for your telescope. Nexus DSC packs all the latest technologies into a device unequaled by any other.


MOST RECOMMENDED

Olivon 17mm 70° 2"/1.25" 8-element FMC eyepiece
Our Price: $129.99
Howie Glatter Parallizer 2" to 1.25" adapter
Our Price: $45.00
ASTROSYSTEMS LIGHT PIPE 2" f/4+
Our Price: $89.99
DGM NPB narrowband nebula filter 2"
Our Price: $150.00
Vixen LVW 17mm ED 65° Eyepiece-1.25
Our Price: $269.99


RECENT ARRIVALS

SnapZoom Cell Phone Adapter for Optical Instuments
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ECLIPSE SHADES--SAFE SOLAR VIEWING GLASSES
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BAADER BBHS 2" CLICKLOCK SILVER DIAGONAL #2456115
Our Price: $479.99
VIXEN HR 1.6MM PLANETARY EYEPIECE, 42°,1.25"
Our Price: $279.99
ASTROSYSTEMS LIGHT PIPE 1.25"
Our Price: $49.99