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Explore Scientific 28mm 68° field argon-purged waterproof 2" eyepiece
$299.99This Explore Scientific 28mm argon-purged is a substantial 2" eyepiece that gives impressively sharp and contrasty wide field views of nebulas, compact open clusters, globular clusters, etc. with virtually any telescope that can use 2" eyepieces. -
Explore Scientific 62° 32mm 2" Waterproof Eyepiece
$229.99Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. -
Explore Scientific 40mm 52° Series Waterproof Eyepiece
$179.99Looking for something out of the ordinary for your next eyepiece? The Explore Scientific 52° series is a strong contender for necessary addition to your eyepiece collection.
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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 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 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 4X Powermate image amplifier for 2" eyepieces, with 1.25" eyepiece adapter
$349.01If you need a very high quality, very high power 4x 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 increasi . . .
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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 55mm Plössl
$255.01If you have a 2" focuser on your f/8 and longer focal ratio telescope, this 2" eyepiece will give you the widest possible field of view - even wider than a 31mm Nagler, but at less than 40% the cost . . . -
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. . . .
