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





Howie Glatter Laser Collimator--2" 635nm Lumicon Deep Sky Broadband Filter 2" TELEVUE NAGLER TYPE 5, 1.25", 6-ELEMENT, 16MM, 82 DEGREES
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!
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!
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!
Howie Glatter Laser Collimator--2" 635nm
Best for daytime or twilight use--brighter, more orange beam is more visible in daytime.
The benchmark for broadband light pollution reduction, contrast enhancing, nebula filtersLumicon Deep Sky Broadband Filter 2" 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..
Olivon 58° -- HD 20mm 1.25" eyepiece UNIHEDRON SQM-L--NARROW FIELD VERSION TELEVUE DELITE 15MM,1.25",62°
Olivon 58° -- HD 20mm 1.25" 5-element eyepiece
Usually Ships in 24 Hours
List Price: $98.00
Our Price: $63.00
Sale Price: $50.00
Savings: $48.00
3 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 DELITE 15MM,1.25",62°,LONG EYE RELIEF EYEPIECE
Usually Ships in 24 Hours
List Price: $325.00
Our Price: $250.00
Savings: $75.00
1 in stock!
Olivon 20mm HD 58 degree astronomical eyepiece for general widefield observations 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. 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.
EXPLORE SCIENTIFIC 82° SERIES 8.8MM WATERPROOF Ar EYEPIECE--1.25" ASTROSYSTEMS ULTRA LOW ADAPTER DGM NPB narrowband nebula filter 1.25"
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!
ASTROSYSTEMS ULTRA LOW DROP-IN EYEPIECE ADAPTER, 2.0" TO 1.25" W/COMPRESSION RING
Usually Ships in 24 Hours
List Price: $46.00
Our Price: $29.99
Savings: $16.01
3 in stock!
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!
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 DROP-IN EYEPIECE ADAPTER, 2.0" TO 1.25" W/COMPRESSION RING. SOLVES FOCUSING PROBLEMS W/O MOVING THE MIRROR. DGM NPB narrowband nebula filter 1.25",23nm narrow bandwidth for superb contrast along with deep red transmission for imaging and better visuals
TELEVUE ETHOS, 2"/1.25", 9-ELEMENT, 10MM, 100 DEGREES 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)
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!
VIXEN SSW 10MM 7-ELEMENT 83° ULTRAWIDE EYEPIECE-1.25"
Usually Ships in 24 Hours
List Price: $490.00
Our Price: $349.99
Savings: $140.01
2 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. BAADER PLANETARIUM CLICKLOCK CLAMP FOR SCT 2" THREAD #2956220 REPLACES SCT VISUAL BACK AND ALLOWS FOR USE OF 2" DIAGONALS 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.
TELEVUE DELOS, 1.25", ?-ELEMENT, 12MM, 72 DEGREES BAADER HYPERION MKIII 8-24 CLICK-STOP ZOOM #2454824--2"/1.25"
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!
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 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!
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. 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. 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



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

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
DGM NPB narrowband nebula filter 2"
Our Price: $150.00
Howie Glatter Parallizer 2" to 1.25" adapter
Our Price: $45.00
ASTROSYSTEMS LIGHT PIPE 2" f/4+
Our Price: $89.99


RECENT ARRIVALS

SnapZoom Cell Phone Adapter for Optical Instuments
Our Price: $69.99
ASTROSYSTEMS LIGHT PIPE 1.25"
Our Price: $49.99
VIXEN HR 1.6MM PLANETARY EYEPIECE, 42°,1.25"
Our Price: $279.99
BAADER BBHS 2" CLICKLOCK SILVER DIAGONAL #2456115
Our Price: $479.99
ECLIPSE SHADES--SAFE SOLAR VIEWING GLASSES
Our Price: $2.99