TeleVue
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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 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 Barlow for 1.25" eyepieces
$133.01This 2-element Barlow has superb sharpness to match that of TeleVue eyepieces. Despite being "merely" an achromatic system, good design gives it better color correction at the edges of the field than some 3-element "apochromatic" Barlows.It is fully multicoated, with blackened lens edges and internal antireflection threading for excellent contrast. Its barrel is threaded for standard 1.25" fil . . .
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Tele Vue 27mm 2" Panoptic
$379.01An excellent premium-quality low power wide field 2" eyepiece for the serious deep space explorer . . . -
Tele Vue 25mm Plössl
$121.01This is a very good medium to low power eyepiece for lunar observing, viewing emission and reflection nebulas in their entirety, etc. It's super with an f/4.5 Dobsonian reflector for rich field scanning of the Milky Way star clouds in Sagittarius from a dark sky site . . . -
Tele Vue 24mm Panoptic
$351.01One of the most popular premium-quality low to medium power wide field eyepieces available. Super for wide field viewing with fast focal ratio refractors and Dobsonians . . . -
Tele Vue 22mm 2" Nagler Type 4
$486.01The TeleVue 2" 22mm Nagler Type 4 replaces the 20mm Nagler Type 2, considered by many to be the finest eyepiece ever made . . . -
Tele Vue 21mm 2" 100° field Ethos
$893.01The 100° apparent field of this new TeleVue 21mm Ethos eyepiece provides a field area 64% larger than the "space-walking" 82° field of a 20mm Nagler, and 36% larger than a 22mm Nagler . . . -
Tele Vue 20mm Plössl
$121.01This is a very good medium power eyepiece for lunar observing, resolving globular clusters, picking up detail in emission and reflection nebulas, etc. It is supplied as the standard equipment eyepiece with TeleVue refractors up to $3595 in price, giving you some idea of its quality . . . -
Tele Vue 2.5X Powermate image amplifier for 1.25" eyepieces
$228.01While not technically a Barlow, this unique new 4-lens 2.5x 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. If Barlows are made too short or with too much magnification, the diverging rays can cause severe . . .
