TeleVue
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Tele Vue 2X Big Barlow for 2" eyepieces, with 1.25" eyepiece adapter
$228.01This 2" 2x Clamp Ring Big Barlow can be used with any telescope using a 2" focuser. As it is only 4.5" long, it can also be used in most 2" star diagonals for 2x magnification.It can also be placed into a 2" focuser in front of a 2" star diagonal to give higher magnification than the nominal 2x. Some refractors might not have enough focuser travel to allow this directly, however. . . .
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Tele Vue 2X Powermate image amplifier for 2" eyepieces, with 1.25" eyepiece adapter
$342.01If you need a very high quality 2x Barlow for 2" eyepieces, look no further than this TeleVue Powermate. While not technically a Barlow, this unique new 4-lens image amplifier performs the same functions, but at a higher level of optical correction. Barlow lenses have a negative power that diverges field rays, lengthening the effective focal length of the telescope and increasing the magnification . . . -
Tele Vue 3.5mm 1.25" 72° field Delos
$386.01The 3.5mm TeleVue Delos eyepiece brings acclaimed Ethos image quality to a long eye relief 72° field eyepiece for comfortable eyeglass use during very high power planetary, lunar, and binary star observing . . .
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Tele Vue 3.5mm Nagler Type 6
$334.01This is an exceptional-quality and very short focal length ultra wide field eyepiece . . . -
Tele Vue 3.7mm 1.25"/2" 110° field Ethos-SX
$657.01The TeleVue 3.7mm Ethos-SX eyepiece shows you the same 110° view of space and the Moon that the Apollo astronauts saw when they trained to land on the Moon. The TeleVue 3.7mm Ethos is a Sky & Telescope Hot Product for 2011 . . . -
Tele Vue 31mm 2" Nagler Type 5
$697.01This Nagler Type Five eyepiece uses a new six-lens design that reduces the size and weight of this 31mm eyepiece to less than that of the previous generation 20mm Nagler . . . -
Tele Vue 32mm Plössl
$154.01This is a very good low power/wide field eyepiece for capturing galaxy pairs and galaxy clusters, viewing emission and reflection nebulas in their entirety, and more . . . -
Tele Vue 35mm 2" Panoptic
$427.01An excellent and physically-impressive premium-quality low power wide field 2" eyepiece for the serious deep space explorer. It will give you a wide 1.19 degree field at 57x with a big 17.5" f/4.5 Dobsonian. That's well over two lunar diameters and is ideal for observing large emission nebulas . . . -
Tele Vue 3mm to 6mm Nagler 1.25" zoom eyepiece
$428.01Unlike an ordinary zoom eyepiece, this high power Nagler zoom maintains a constant and substantial 50 degree apparent field of view at all focal lengths and the usable eye relief stays a constant 10mm . . . -
Tele Vue 3X Barlow for 1.25" eyepieces
$133.01If you need a high quality, medium high power Barlow for 1.25" eyepieces, look no further than this TeleVue. It's a 2-lens achromatic design with superb sharpness to match that of TeleVue eyepieces. It is fully multicoated, with blackened lens edges and internal antireflection threading for excellent contrast. Its barrel is threaded for standard 1.25" filters. There's an undercut safety groove in . . .
