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




TELEVUE POWERMATE, 2", 2X w/1.25" Adapter Explore Scientific 4-element 5X 1.25" focal extender BAADER VIP 2X BARLOW-2"/1.25"
TELEVUE POWERMATE, 2", 2X w/1.25" Adapter
Usually Ships in 24 Hours
List Price: $395.00
Our Price: $310.00
Savings: $85.00
2 in stock!
Explore Scientific 4-element 5X 1.25" focal extender
Usually Ships in 24 Hours
List Price: $258.99
Our Price: $115.99
Savings: $143.00
2 in stock!
BAADER VIP 2X BARLOW-2"/1.25" #2406101
Usually Ships in 24 Hours
List Price: $408.00
Our Price: $269.99
Savings: $138.01
2 in stock!

This 4-element design is as close to invisible in the optical path as any magnifying amplifier. Eye relief, vignetting, sharpness, clarity, and even focal position are unaffected. Comes with 1.25" adapter.

Explore Scientific 4-element 5X 1.25" focal extender, compression ring binding VIP 2X BARLOW-2"/1.25"
MODULAR DESIGN ALLOWS USE WITH 1.25" EYEPIECES OR T2 CAMERA ATTACHMENTS IN EITHER 1.25" OR 2" FOCUSERS. Will accept 2" or 1.25" filters, but only accepts 1.25" eyepieces.
TELEVUE POWERMATE, 2", 4X w/1.25" Adapter BAADER HYPERION ZOOM 2.25X BARLOW #2956180 TELEVUE POWERMATE, 1.25", 5X
TELEVUE POWERMATE, 2", 4X w/1.25" Adapter
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List Price: $415.00
Our Price: $320.00
Savings: $95.00
2 in stock!
BAADER HYPERION ZOOM 2.25X BARLOW #2956180 (ALSO WORKS ON 1.25" EYEPIECES)
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List Price: $182.00
Our Price: $129.99
Savings: $52.01
2 in stock!
TELEVUE POWERMATE, 1.25", 5X
Usually Ships in 24 Hours
List Price: $260.00
Our Price: $205.00
Savings: $55.00
2 in stock!
This 4-element design is as close to invisible in the optical path as any magnifying amplifier.  Eye relief, vignetting, sharpness, clarity, and even focal position are unaffected. Comes with 1.25" adapter. BAADER HYPERION ZOOM 2.25X BARLOW #2956180 (FOR 1.25" EYEPIECES).
Converts the Hyperion Zoom to a 3.5-10.5mm zoom. Includes T-Thread adapter.
This 4-element design is as close to invisible in the optical path as any magnifying amplifier.  Eye relief, vignetting, sharpness, clarity, and even focal position are unaffected. This 5 power version is ideal for photography.
Explore Scientific 4-element 3X 1.25" focal extender BAADER Q-BARLOW #2956185 2.25X OR 1.3X TELEVUE BARLOW, 1.25", 2X
Explore Scientific 4-element 3X 1.25" focal extender
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List Price: $222.99
Our Price: $99.99
Savings: $123.00
2 in stock!
BAADER Q-BARLOW #2956185 2.25X OR 1.3X
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List Price: $108.00
Our Price: $69.99
Savings: $38.01
2 in stock!
TELEVUE BARLOW, 1.25", 2X
Usually Ships in 24 Hours
List Price: $150.00
Our Price: $120.00
Savings: $30.00
1 in stock!
Explore Scientific 4-element 3X 1.25" focal extender, compression ring binding Sharp Barlow to complete the Q eyepiece set.
Operates as 2.25X in its tube, or 1.3X when attached directly to the eyepiece
Tele Vue Barlows use multi-coated high index glasses for optimum aberration correction, exceptional contrast with virtually no light loss. Available in 2X or 3X. Parfocal with eyepieces--has 1¼" filter threads.
Olivon 2x ED Barlow--2" TELEVUE BARLOW, 1.25", 3X TELEVUE BIG BARLOW, 2", 2X, BWC-2211
Olivon 2x ED Barlow--2" (1.25" Adapter Included)
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List Price: $122.00
Our Price: $79.00
Savings: $43.00
2 in stock!
TELEVUE BARLOW, 1.25", 3X
Usually Ships in 24 Hours
List Price: $150.00
Our Price: $120.00
Savings: $30.00
2 in stock!
TELEVUE BIG BARLOW, 2", 2X, BWC-2211
Usually Ships in 24 Hours
List Price: $265.00
Our Price: $210.00
Savings: $55.00
2 in stock!
Olivon 2" ED barlow--2" (adapter included)
Low distortion and full color correction.
Also works as a 1.5X barlow with lens threaded directly on 2" eyepiece.
Tele Vue Barlows use multi-coated high index glasses for optimum aberration correction, exceptional contrast with virtually no light loss. Available in 2X or 3X. Parfocal with eyepieces--has 1¼" filter threads. Tele Vue Barlows use multi-coated high index glasses for optimum aberration correction.  The 2x magnification is ideal for Newtonian scopes. Parfocal with both 2" and 1¼" eyepieces. Includes 1¼" eyepiece adapter, threaded for 48mm filters. Not recommended for use with 2" diagonals.



SUPER DEALS

Astrotech 5X 1.25" ED 3-element Barlow

List Price: $79.99
Our Price: $54.99
Special Sale $39.99
Savings: $40.00
Astrotech 5X 1.25" ED 3-element Barlow
Astrotech 5X 1.25" ED 3-element Barlow


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