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





UNIHEDRON SQM-L--NARROW FIELD VERSION Olivon 58° -- HD 20mm 1.25" eyepiece TELEVUE DELITE 15MM,1.25",62°
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!
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!
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!
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. Olivon 20mm HD 58 degree astronomical eyepiece for general widefield observations 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.
BAADER HYPERION MKIII 8-24 CLICK-STOP ZOOM #2454824--2"/1.25" Lumicon Deep Sky Broadband Filter 2"
BAADER HYPERION MKIII 8-24 CLICK-STOP ZOOM EYEPIECE #2454824--2" OR 1.25"
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List Price: $432.00
Our Price: $289.99
Savings: $142.01
2 in stock!
Lumicon Deep Sky Broadband Filter 2"
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List Price: $420.99
Our Price: $299.99
Close Out $219.00
Savings: $201.99
2 in stock!
TELRAD DEWSHIELD+ W/MIRROR FOR 90° VIEWING
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List Price: $40.00
Our Price: $30.00
Savings: $10.00
1 in stock!
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
The benchmark for broadband light pollution reduction, contrast enhancing, nebula filtersLumicon Deep Sky Broadband Filter 2" 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.
TELEVUE ETHOS, 2"/1.25", 9-ELEMENT, 10MM, 100 DEGREES DGM NPB narrowband nebula filter 1.25" BAADER CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220
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"
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List Price: $120.00
Our Price: $75.00
Savings: $45.00
2 in stock!
BAADER PLANETARIUM CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220
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List Price: $148.00
Our Price: $102.99
Savings: $45.01
1 in stock!
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. DGM NPB narrowband nebula filter 1.25",23nm narrow bandwidth for superb contrast along with deep red transmission for imaging and better visuals BAADER PLANETARIUM CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220 REPLACES SCT VISUAL BACK AND ALLOWS FOR USE OF 2" DIAGONALS
TELEVUE NAGLER TYPE 5, 1.25", 6-ELEMENT, 16MM, 82 DEGREES Howie Glatter Laser Collimator--2" 635nm TELEVUE DELOS, 1.25", ?-ELEMENT, 12MM, 72 DEGREES
TELEVUE NAGLER TYPE 5, 1.25", 6-ELEMENT, 16MM, 82°
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List Price: $440.00
Our Price: $340.00
Savings: $100.00
2 in stock!
Howie Glatter Laser Collimator--2" 635nm
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List Price: $245.00
Our Price: $175.00
Savings: $70.00
2 in stock!
TELEVUE DELOS, 12MM, 72°, 1.25", LONG EYE RELIEF
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List Price: $445.00
Our Price: $340.00
Savings: $105.00
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.. Howie Glatter Laser Collimator--2" 635nm
Best for daytime or twilight use--brighter, more orange beam is more visible in daytime.
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.
EXPLORE SCIENTIFIC 82° SERIES 8.8MM WATERPROOF Ar EYEPIECE--1.25" ASTROSYSTEMS ULTRA LOW ADAPTER
EXPLORE SCIENTIFIC 7-ELEMENT 82° SERIES 8.8MM WATERPROOF AR EYEPIECE--1.25"
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List Price: $333.99
Our Price: $149.99
Savings: $184.00
3 in stock!
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!
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!
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 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. ASTROSYSTEMS ULTRA LOW DROP-IN EYEPIECE ADAPTER, 2.0" TO 1.25" W/COMPRESSION RING. SOLVES FOCUSING PROBLEMS W/O MOVING THE MIRROR.



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

DGM NPB narrowband nebula filter 2"
Our Price: $150.00
ASTROSYSTEMS LIGHT PIPE 2" f/4+
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Vixen LVW 17mm ED 65° Eyepiece-1.25
Our Price: $269.99
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


RECENT ARRIVALS

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