Tele Vue 2.0x 1.25 Barlow (BLW-2125) For Cheap
Description
Tele Vue 2.0x 1.25 Barlow
The Tele Vue 2.0x 1.25″ Barlow features include parfocalization, 1¼” filter threads, captive lock screws that won’t fall out and full multi coatings.
Concept
I originally designed the Tele Vue Barlow line to complement the high performance of our eyepieces. Only 2 elements of high index glass were required to reduce all aberrations to well below the airy disc in an f 4 system. It has taken a good 15 years, but I think we’re finally laying to rest the popular myth of the “degrading Barlow.” In a 1997 Sky & Telescope review, Terrence Dickenson wrote “…Technology has erased the old objections. A modern Barlow will not degrade your telescope’s optics. Anyone telling you otherwise is using outdated information. Moreover, the highly regarded Nagler eyepieces and their clones have built-in Barlows – ample evidence that the lens is not some detrimental intruder.” Thanks Terry, I couldn’t agree more. — Al Nagler
Properly designed Barlows do wonderful things: They amplify power, slow the telescope’s f # (improving eyepiece sharpness), and give designers the opportunity to compensate for eyepiece aberrations.
Tele Vue Barlows use multi-coated high index glasses for optimum aberration correction, exceptional contrast with virtually no light loss. Observed performance is aberration free, even when tested with f 4 scopes. They even improve our competitor’s eyepieces and telescopes!
Tele Vue Quality
Compromise image quality in any part of the optical chain and you’ve compromised every part! Tele Vue product design and execution deliver consummate satisfaction. Every Tele Vue Barlow must pass the same rigorous f 4, full field testing as all our eyepieces. All Tele Vue Barlows now use brass clamp rings for secure, non marring holding of eyepieces and accessories.
For astro-imagers, the above chart indicates the magnification for each Barlow (2x, 2x Big & 3x) as a function of distance from the Barlow top surface to the imaging surface (CCD or film).
Technical Specifications
Barrel: 1.25″
Weight: 0.30 lbs
In the Box
2x 1.25″ Barlow
Manuals & Warranty
Additional Information
Title
Default Title
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I originally designed the Tele Vue Barlow line to complement the high performance of our eyepieces. Only 2 elements of high index glass were required to reduce all aberrations to well below the airy disc in an f 4 system. It has taken a good 15 years, but I think we’re finally laying to rest the popular myth of the “degrading Barlow.” In a 1997 Sky & Telescope review, Terrence Dickenson wrote “…Technology has erased the old objections. A modern Barlow will not degrade your telescope’s optics. Anyone telling you otherwise is using outdated information. Moreover, the highly regarded Nagler eyepieces and their clones have built-in Barlows – ample evidence that the lens is not some detrimental intruder.” Thanks Terry, I couldn’t agree more. — Al Nagler
Properly designed Barlows do wonderful things: They amplify power, slow the telescope’s f # (improving eyepiece sharpness), and give designers the opportunity to compensate for eyepiece aberrations.
Tele Vue Barlows use multi-coated high index glasses for optimum aberration correction, exceptional contrast with virtually no light loss. Observed performance is aberration free, even when tested with f 4 scopes. They even improve our competitor’s eyepieces and telescopes!
Tele Vue Quality
Compromise image quality in any part of the optical chain and you’ve compromised every part! Tele Vue product design and execution deliver consummate satisfaction. Every Tele Vue Barlow must pass the same rigorous f 4, full field testing as all our eyepieces. All Tele Vue Barlows now use brass clamp rings for secure, non marring holding of eyepieces and accessories.
For astro-imagers, the above chart indicates the magnification for each Barlow (2x, 2x Big & 3x) as a function of distance from the Barlow top surface to the imaging surface (CCD or film).Technical Specifications
Barrel: 1.25″
Weight: 0.30 lbsIn the Box
2x 1.25″ Barlow
Manuals & Warranty
Additional Information
Title Default Title
Related products
Tele Vue 2.0x 2 BIG Barlow (BWC-2211) Online now
Original price was: $327.00.$163.50Current price is: $163.50.Antares 3x 1.25 Twist-Lock Barlow (UB3TL) Online
Original price was: $88.00.$44.00Current price is: $44.00.Williiam Optics 2x Barlow nosepiece for Binoviewer (E-BINO-B2) Discount
Original price was: $63.00.$31.50Current price is: $31.50.Tele Vue 2.0x 2 Powermate (PMT-2200) Sale
Original price was: $490.00.$245.00Current price is: $245.00.SVBONY 2X Barlow 1.25inch with M42 Threads (F9108A) Sale
Original price was: $20.00.$10.00Current price is: $10.00.© 2023 Dexons Theme. All rights reserved.
We using safe payment forflowsynapseus.shop © 2025 All Rights Reserved
Select the fields to be shown. Others will be hidden. Drag and drop to rearrange the order.
- Image
- SKU
- Rating
- Price
- Stock
- Description
- Weight
- Dimensions
- Additional information
- Add to cart
