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





UNIHEDRON SQM--WIDE FIELD VERSION VIXEN HR 2.4MM PLANETARY EYEPIECE TELEVUE DELITE 4MM,1.25",62°
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!
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!
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!
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 ULTRA-HIGH POWER HIGH RESOLUTION PLANETARY EYEPIECE, 5-ELEMENT, 42°, 1..25"
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.
BAADER CLASSIC ORTHO-6.0MM #2954106 W/WINGED EYECUP TELRAD REFLEX SIGHT W/MOUNTING BASE + BULLSEYE RETICLE Olivon 58° -- HD 5mm 1.25" eyepiece
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!
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!
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!
Baader Planetarium Classic Abbe Orthoscopic 6mm Eyepiece, 4-element design, full multi-coatings for the best planetary views. 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. Olivon 5mm HD 58 degree astronomical eyepiece for planetary and general observations
EXPLORE SCIENTIFIC 62° SERIES 5.5MM WP EYEPIECE-1.25" Astronomik O-III Line Nebula Filter-2" LUMICON UHC NEBULA FILTER--1.25"
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!
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!
LUMICON UHC NEBULA FILTER--1.25"
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List Price: $149.99
Our Price: $99.99
Savings: $50.00
5 in stock!
EXPLORE SCIENTIFIC 5.5MM 62° EYEPIECE--1.25" Argon-purged, EMD coatings, Astronomik O-III Line Nebula Filter-2" w/12nm bandwidth Lumicon UHC Narrowband Nebula filter, 1.25", Maximal enhancement of nebulae, passes hydrogen and oxygen spectral lines only
Howie Glatter 2" Laser Collimator--650nm Farpoint cheshire, 2" ASTROSYSTEMS 2" LASER COLLIMATOR W/BARLOW ATTACHMENT
Howie Glatter 2" Laser Collimator--650nm
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List Price: $300.00
Our Price: $200.00
Savings: $100.00
2 in stock!
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!
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!
Howie Glatter 2" Laser Collimator--650nm, best for 2" focusers and nighttime use Farpoint 2" Cheshire for easy alignment of primary mirror in newtonian. Works with any size primary center marker. ASTROSYSTEMS 2" LASER COLLIMATOR WITH BARLOW ATTACHMENT. All the collimation tools you need in one affordable package.
APM XWA HDC Hyperwide 13mm 100* eyepiece TELEVUE PLOSSL, 1.25", 4-ELEMENT, 8MM, 50 DEGREES DGM NPB narrowband nebula filter 2"
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!
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!
DGM NPB narrowband nebula filter 2"
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List Price: $240.00
Our Price: $150.00
Savings: $90.00
2 in stock!
APM XWA HDC Hyperwide 13mm 9-element 100* eyepiece--1.25"/2.0" 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. DGM NPB narrowband nebula filter 2",23nm bandwidth provides superb contrast on emission features,red transmission enhances visual and imaging use.



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
ASTROSYSTEMS LIGHT PIPE 2" f/4+
Our Price: $89.99
TELEVUE ETHOS, 2"/1.25", 9-ELEMENT, 3.7MM, 110 DEG
Our Price: $628.00
Olivon 3.5mm 70° 2"/1.25" 8-element FMC eyepiece
Our Price: $129.99
CLASSIC PLOSSL-32MM #2954132 W/WINGED EYECUP, AUX.
Our Price: $79.99


RECENT ARRIVALS

TeleVue BandmateII Nebustar UHC Nebula filter1.25"
Our Price: $110.00
TeleVue Bandmate-II H-Beta Nebula filter-1.25"
Our Price: $100.00
TeleVue Bandmate-II H-Beta Nebula filter-2"
Our Price: $200.00
VIXEN SSW 3.5MM 83 DEGREE ULTRAWIDE EYEPIECE-1.25"
Sale Price: $299.00
DGM GCE contrast enhancing filter 2"
Our Price: $160.00