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





Farpoint laser 650nm, 1.25"/2" Astronomik CLS Broadband Nebula Filter-2" Astrosystems Telrad Dewshield
Farpoint laser collimator, red color body, 650nm red laser, 1.25"/2" combo stepped barrel.
Usually Ships in 24 Hours
List Price: $139.99
Our Price: $99.99
Savings: $40.00
3 in stock!
Astronomik CLS Broadband Nebula Filter-2"
Usually Ships in 24 Hours
List Price: $179.99
Our Price: $159.99
Savings: $20.00
3 in stock!
Astrosystems Telrad Dew Shield
Usually Ships in 24 Hours
List Price: $19.00
Our Price: $14.99
Savings: $4.01
3 in stock!
Farpoint laser collimator, red color body, 650nm red laser, 1.25"/2" combo stepped barrel,0.8mm aperture stop for a tiny red dot from laser Astronomik CLS Broadband Nebula Filter-2" w/92nm blue-green bandwidth Astrosystems Telrad Dewshield--no tools installation
LUMICON UHC NEBULA FILTER--1.25" APM XWA HDC Hyperwide 20mm 100° eyepiece EXPLORE SCIENTIFIC 62° SERIES 20MM WP EYEPIECE-1.25"
LUMICON UHC NEBULA FILTER--1.25"
Usually Ships in 24 Hours
List Price: $149.99
Our Price: $99.99
Savings: $50.00
5 in stock!
APM XWA HDC Hyperwide 20mm 9-element 100° eyepiece--2.0"
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List Price: $490.00
Our Price: $329.00
Savings: $161.00
2 in stock!
EXPLORE SCIENTIFIC 20MM 62° EYEPIECE--1.25"
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List Price: $125.99
Our Price: $89.99
Savings: $36.00
3 in stock!
Lumicon UHC Narrowband Nebula filter, 1.25", Maximal enhancement of nebulae, passes hydrogen and oxygen spectral lines only APM XWA HDC Hyperwide 20mm 9-element 100° eyepiece--2.0" EXPLORE SCIENTIFIC 20MM 62° EYEPIECE--1.25" Argon-purged, EMD coatings
DGM O-III line nebula filter 2" BAADER CLASSIC ORTHO-18.0MM #2954118 W/WINGED EYECUP Howie Glatter 2"/1.25" Laser Collimator--650nm
DGM O-III line nebula filter 2"
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List Price: $240.00
Our Price: $170.00
Savings: $70.00
3 in stock!
BAADER CLASSIC 50° ORTHO-18.0MM #2954118 W/WINGED EYECUP
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List Price: $118.00
Our Price: $79.99
Savings: $38.01
2 in stock!
Howie Glatter 2"/1.25" Laser Collimator--650nm
Usually Ships in 24 Hours
List Price: $355.00
Our Price: $275.00
Savings: $80.00
2 in stock!
DGM O-III line nebula filter 2",15nm bandwidth for superb O-III contrast, red transmission makes filter better for both visual and imaging uses. Baader Planetarium Classic Abbe Orthoscopic 18mm Eyepiece, 4-element design, full multi-coatings for maximum light transmission. Howie Glatter 2"/1.25" Laser Collimator--650nm, fits both 2" and 1.25" focusers, best for nighttime use
TELEVUE PLOSSL, 1.25", 4-ELEMENT, 20MM, 50 DEGREES UNIHEDRON SQM--WIDE FIELD VERSION Olivon 17mm 70° 2"/1.25" 8-element FMC eyepiece
TELEVUE PLOSSL, 1.25", 4-ELEMENT, 20MM, 50°
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List Price: $151.00
Our Price: $116.00
Savings: $35.00
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
2 in stock!
Olivon 17mm 70° 2"/1.25" 8-element FMC eyepiece
Usually Ships in 24 Hours
List Price: $200.00
Our Price: $129.99
Savings: $70.01
2 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. 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. Olivon 70° 17mm FMC 8-element eyepiece with long eye relief (20mm) for glasses wearers, twist-up eye cup, Works in both 2" and 1.25" focusers.
Nice, sharp, widefield eyepiece that doesn't break the bank.
TELRAD REFLEX SIGHT W/MOUNTING BASE + BULLSEYE RETICLE Vixen SLV 6mm ED 50° FMC 7-element Eyepiece-1.25" SnapZoom Cell Phone Adapter
TELRAD REFLEX SIGHT W/MOUNTING BASE + BULLSEYE RETICLE
Usually Ships in 24 Hours
List Price: $56.00
Our Price: $40.00
Savings: $16.00
3 in stock!
Vixen SLV 6mm ED 50° FMC 7-element Eyepiece-1.25"
Usually Ships in 24 Hours
List Price: $240.00
Our Price: $169.99
Savings: $70.01
2 in stock!
SnapZoom Cell Phone Adapter for Optical Instuments
Usually Ships in 24 Hours
List Price: $96.00
Our Price: $69.99
Savings: $26.01
4 in stock!
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. Vixen 6mm SLV ED 50° Fully-Multi Coated eyepiece, 1.25",lanthanum glass, scratch-resistant surfaces, 20mm eye relief, twist-up eyecup,unique non-rolling shape. SnapZoom Camera Adapter secures a smartphone to the eyepiece of any optical device for sharp, clear, close-up photos and videos without spending tons of money on a telephoto lens.



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

ASTROSYSTEMS LIGHT PIPE 2" f/4+
Our Price: $89.99
Farpoint Autocollimator,2"
Our Price: $79.99
TELEVUE ETHOS, 2"/1.25", 9-ELEMENT, 3.7MM, 110 DEG
Our Price: $628.00
EXPLORE SCIENTIFIC 62° 26MM EYEPIECE-1.25"
Our Price: $109.99
LUMICON O-III GEN.3 NEBULA FILTER--1.25"
Our Price: $99.99


RECENT ARRIVALS

LUMICON UHC NEBULA FILTER--2.00"
Our Price: $199.99
NEXUS DSC SHELF
Our Price: $25.00
BAADER MORPHEUS 17.5mm 76° Eyepiece
Our Price: $239.99
TeleVue Bandmate-II Nebustar UHC Nebula filter-2"
Our Price: $220.00
ASTROSYSTEMS ULTRA LOW ADAPTER
Our Price: $29.99