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





TELEVUE PLOSSL, 1.25", 4-ELEMENT, 8MM, 50 DEGREES LUMICON UHC NEBULA FILTER--1.25" Astronomik O-III Line Nebula Filter-2"
TELEVUE PLOSSL, 1.25", 4-ELEMENT, 8MM, 50°
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List Price: $125.00
Our Price: $96.00
Savings: $29.00
1 in stock!
LUMICON UHC NEBULA FILTER--1.25"
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List Price: $149.99
Our Price: $99.99
Savings: $50.00
5 in stock!
Astronomik O-III Line Nebula Filter-2"
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List Price: $229.99
Our Price: $199.99
Savings: $30.00
4 in stock!
TeleVue's patented 4-element Plossl design improves edge sharpness and results in a well-corrected general use eyepiece and is a low-priced, but high-end, eyepiece. Lumicon UHC Narrowband Nebula filter, 1.25", Maximal enhancement of nebulae, passes hydrogen and oxygen spectral lines only Astronomik O-III Line Nebula Filter-2" w/12nm bandwidth
TELEVUE DELITE 4MM,1.25",62° EXPLORE SCIENTIFIC 62° SERIES 5.5MM WP EYEPIECE-1.25" Howie Glatter 2" Laser Collimator--650nm
TELEVUE DELITE 4MM,1.25",62°,LONG EYE RELIEF EYEPIECE
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List Price: $333.00
Our Price: $256.00
Savings: $77.00
3 in stock!
EXPLORE SCIENTIFIC 5.5MM 62° EYEPIECE--1.25"
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List Price: $125.99
Our Price: $89.99
Savings: $36.00
2 in stock!
Howie Glatter 2" Laser Collimator--650nm
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List Price: $300.00
Our Price: $200.00
Savings: $100.00
2 in stock!
TeleVue 4mm 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 5.5MM 62° EYEPIECE--1.25" Argon-purged, EMD coatings, Howie Glatter 2" Laser Collimator--650nm, best for 2" focusers and nighttime use
Farpoint cheshire, 2" DGM NPB narrowband nebula filter 2" UNIHEDRON SQM--WIDE FIELD VERSION
Farpoint collimating cheshire, 2" diameter, red color.
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List Price: $55.99
Our Price: $39.99
Savings: $16.00
2 in stock!
DGM NPB narrowband nebula filter 2"
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List Price: $240.00
Our Price: $150.00
Savings: $90.00
2 in stock!
UNIHEDRON SKY QUALITY METER (SQM)--WIDE FIELD VERSION
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List Price: $149.99
Our Price: $119.99
Savings: $30.00
1 in stock!
Farpoint 2" Cheshire for easy alignment of primary mirror in newtonian. Works with any size primary center marker. DGM NPB narrowband nebula filter 2",23nm bandwidth provides superb contrast on emission features,red transmission enhances visual and imaging use. 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! Wide 80° field.
VIXEN HR 2.4MM PLANETARY EYEPIECE TELRAD REFLEX SIGHT W/MOUNTING BASE + BULLSEYE RETICLE BAADER CLASSIC ORTHO-6.0MM #2954106 W/WINGED EYECUP
VIXEN HR 2.4MM PLANETARY EYEPIECE, 5-ELEMENT, 42°, 1.25"
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List Price: $390.00
Our Price: $279.99
Sale Price: $239.99
Savings: $150.01
2 in stock!
TELRAD REFLEX SIGHT W/MOUNTING BASE + BULLSEYE RETICLE
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List Price: $56.00
Our Price: $40.00
Savings: $16.00
3 in stock!
BAADER CLASSIC 50° ORTHO-6.0MM #2954106 W/WINGED EYECUP
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List Price: $118.00
Our Price: $79.99
Savings: $38.01
1 in stock!
VIXEN HR 2.4MM ULTRA-HIGH POWER HIGH RESOLUTION PLANETARY EYEPIECE, 5-ELEMENT, 42°, 1..25"
TELRAD REFLEX SIGHT W/MOUNTING BASE.  CALIBRATED BULLSEYE OF 4°/2°/0.5° CIRCLE SIZE.  LONG BATTERY LIFE (TWO AA). ADDITIONAL BASES AVAILABLE FOR OTHER SCOPES. Baader Planetarium Classic Abbe Orthoscopic 6mm Eyepiece, 4-element design, full multi-coatings for the best planetary views.
APM XWA HDC Hyperwide 13mm 100* eyepiece ASTROSYSTEMS 2" LASER COLLIMATOR W/BARLOW ATTACHMENT Olivon 58° -- HD 5mm 1.25" eyepiece
APM XWA HDC Hyperwide 13mm 9-element 100* eyepiece--1.25"/2.0"
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List Price: $480.00
Our Price: $319.00
Savings: $161.00
2 in stock!
ASTROSYSTEMS 2" LASER COLLIMATOR WITH BARLOW ATTACHMENT
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List Price: $208.00
Our Price: $139.99
Savings: $68.01
2 in stock!
Olivon 58° -- HD 5mm 1.25" 5-element eyepiece
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List Price: $98.00
Our Price: $63.00
Savings: $35.00
1 in stock!
APM XWA HDC Hyperwide 13mm 9-element 100* eyepiece--1.25"/2.0" ASTROSYSTEMS 2" LASER COLLIMATOR WITH BARLOW ATTACHMENT. All the collimation tools you need in one affordable package. Olivon 5mm HD 58 degree astronomical eyepiece for planetary and general observations



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

APM XWA HDC Hyperwide 20mm 100° eyepiece--2.0"
Our Price: $329.00
TELEVUE ETHOS, 2"/1.25", 9-ELEMENT, 3.7MM, 110 DEG
Our Price: $628.00
ASTROSYSTEMS LIGHT PIPE 2" f/4+
Our Price: $89.99
CLASSIC PLOSSL-32MM #2954132 W/WINGED EYECUP, AUX.
Our Price: $79.99
Farpoint Autocollimator,2"
Our Price: $79.99


RECENT ARRIVALS

DGM GCE contrast enhancing filter 2"
Our Price: $160.00
TeleVue Bandmate-II Nebustar UHC Nebula filter-2"
Our Price: $220.00
TeleVue Bandmate-II O-III Nebula filter-1.25"
Our Price: $100.00
TeleVue BandmateII Nebustar UHC Nebula filter1.25"
Our Price: $110.00
VIXEN SSW 3.5MM 83 DEGREE ULTRAWIDE EYEPIECE-1.25"
Sale Price: $299.00