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




EXPLORE SCIENTIFIC 82° SERIES 4.7MM WP AR EYEPIECE--1.25"
EXPLORE SCIENTIFIC 7-ELEMENT 82° SERIES 4.7MM WATERPROOF AR EYEPIECE--1.25"
Usually Ships in 24 Hours
List Price: $333.99
Our Price: $149.99
Savings: $184.00
3 in stock!
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!
NEXUS DSC ADVANCED DIGITAL SETTING CIRCLES--WIFI HEAD UNIT, MICRO SD CARD, CHARGER
Usually Ships in 24 Hours
List Price: $647.95
Our Price: $404.99
Savings: $242.96
1 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. 4.7mm FL 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. NEXUS DSC ADVANCED DIGITAL SETTING CIRCLES--WIFI HEAD UNIT, MICRO SD CARD, charger. Advanced digital setting circles computer--packs all the latest technologies into a state-of-the-art device. Encoders, wiring, and attachment hardware not included.
SnapZoom Cell Phone Adapter ASTROSYSTEMS LIGHT PIPE 1.25" UNIHEDRON SQM--WIDE FIELD VERSION
SnapZoom Cell Phone Adapter for Optical Instuments
Usually Ships in 24 Hours
List Price: $96.00
Our Price: $69.99
Savings: $26.01
3 in stock!
ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--1.25"
Usually Ships in 24 Hours
List Price: $79.99
Our Price: $49.99
Savings: $30.00
2 in stock!
UNIHEDRON SKY QUALITY METER (SQM)--WIDE FIELD VERSION
Usually Ships in 24 Hours
List Price: $149.99
Our Price: $119.99
Savings: $30.00
2 in stock!
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. ASTROSYSTEMS LIGHT PIPE SIGHT TUBE/CHESHIRE COMBO COLLIMATION TOOL--1.25". A SINGLE AFFORDABLE TOOL TO COLLIMATE BOTH MIRRORS. 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.
TELEVUE NAGLER TYPE 6, 1.25", 7-ELEMENT, 7MM, 82 DEGREES Howie Glatter Laser Collimator--1.25" 650nm
TELEVUE NAGLER TYPE 6, 1.25", 7-ELEMENT, 7MM, 82°
Back Order
List Price: $395.00
Our Price: $310.00
Spring Into Summer Sale $265.00
Savings: $130.00
(Currently not in stock, but they're on order)
StarGuy Narrowband UHC Nebula filter--1.25"
Usually Ships in 24 Hours
List Price: $165.00
Our Price: $119.99
Savings: $45.01
2 in stock!
Howie Glatter Laser Collimator--1.25" 650nm
Usually Ships in 24 Hours
List Price: $161.00
Our Price: $115.00
Savings: $46.00
2 in stock!
TeleVue Nagler Type-6 82°eyepieces are sharp to the edge, have 12mm eye relief, are all parfocal, and use the best glass materials and coatings available. Made in Japan. 2.5mm to 13mm focal lengths. StarGuy Narrowband UHC Nebula filter-1.25". Transmits O-III and H-beta spectral wavelengths for superb contrast on emission nebulae in all sizes of telescope. Howie Glatter Laser Collimator--1.25" 650nm
Best for night use--deep red beam has least impact on night vision
Lumicon Deep Sky Broadband Filter 1.25" Vixen/Berlebach Charon Observing Wooden Chair-Adjustable BAADER MORPHEUS 4.5mm 76° Eyepiece
Lumicon Deep Sky Broadband Filter 1.25"
Usually Ships in 24 Hours
List Price: $210.99
Our Price: $149.99
Close Out $109.00
Savings: $101.99
1 in stock!
Vixen/Berlebach Charon Observing Wooden Chair-Adjustable
Ships from Vixen Optics
List Price: $279.99
Our Price: $209.99
Savings: $70.00
BAADER MORPHEUS 4.5mm 76° 8-element Long Eye Relief Eyepiece-1.25"/2.0",#2954204
Usually Ships in 24 Hours
List Price: $360.00
Our Price: $239.99
Savings: $120.01
2 in stock!
The benchmark for broadband light pollution reduction, contrast enhancing, nebula filtersLumicon Deep Sky Broadband Filter 1.25" Vixen/Berlebach ergonomic observing chair: The Charon.  Padded leather comfort seat.  Lightweight and easy to transport.  Folds for easy storage.  Adjustable from 4" to 36.6". Baader Morpheus 76° 4.5mm 8-element Long eye Relief Eyepiece 1.25"/2" w/caps, holster, and 43mm camera adapter threads, uses 1.25" filters #2954204
Olivon 5mm 70° 2"/1.25" 8-element FMC eyepiece TELEVUE DELOS, 1.25", ?-ELEMENT, 8MM, 72 DEGREES
VIXEN SSW 14MM 7-ELEMENT 83° ULTRAWIDE EYEPIECE-1.25"
Usually Ships in 24 Hours
List Price: $490.00
Our Price: $349.99
$50 Instant Rebate 4/1-7/30 $299.99
Savings: $190.01
2 in stock!
Olivon 5mm 70° 2"/1.25" 8-element FMC eyepiece
Usually Ships in 24 Hours
List Price: $200.00
Our Price: $129.99
Sale Price: $89.99
Savings: $110.01
2 in stock!
TELEVUE DELOS, 8MM, 72°, 1.25", LONG EYE RELIEF
Usually Ships in 24 Hours
List Price: $445.00
Our Price: $340.00
Spring Into Summer Sale $290.00
Savings: $155.00
2 in stock!
14mm 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. Olivon 70° 5mm FMC 8-element eyepiece with long eye relief (20mm) for glasses wearers, twist-up eye cup, Works in both 2" and 1.25" focusers. 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.



SUPER DEALS

TELEVUE BANDMATE O-III FILTER, 1.25"

List Price: $175.00
Our Price: $100.00
Close Out $89.00
Savings: $86.00
TELEVUE BANDMATE O-III FILTER, 1.25"
TELEVUE BANDMATE O-III FILTER, 1.25"
This OIII filter particularly enhances planetary nebulae


MOST RECOMMENDED

TELEVUE DELITE 18.2MM,1.25",62°
Spring Into Summer Sale $215.00
TELEVUE ZOOM, 1.25", 3-6MM, 50 DEGREES
Spring Into Summer Sale $340.00
TELEVUE NAGLER TYPE 6,1.25",7-ELEMENT,3.5MM,82DEG
Spring Into Summer Sale $265.00
TELEVUE PANOPTIC, 2", 6-ELEMENT, 27MM, 68 DEGREES
Spring Into Summer Sale $290.00


RECENT ARRIVALS

TELEVUE 2" EYEPIECE BARREL EXTENDER-BLACK
Our Price: $30.00
TELEVUE EYEPIECE CARRY BAG-ETHOS EYEPIECE SIZE
Our Price: $150.00
TELEVUE DELITE 11MM,1.25",62°
Spring Into Summer Sale $215.00
TeleVue 2" to 1.25" In-Travel Adapter AIT-2125
Our Price: $50.00
TELEVUE EGE-0020 EYEGUARD EXTENDER-4400500
Our Price: $35.00