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TeleVue - 3x Barlow for 1.25" eyepieces
| Our Product #: 7630 | | TeleVue #: BLW-3125 |
| In Stock: | Usually ships within one business day. |
| If 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 . . .
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TeleVue - 2.5x Powermate image amplifier for 1.25" eyepieces
| Our Product #: 7625T | | TeleVue #: PMT-2513 |
| In Stock: | Usually ships within one business day. |
| While 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 . . .
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TeleVue - T-ring adapter for 1.25" Powermates
| Our Product #: 81PMT | | TeleVue #: PTR-1250 |
| In Stock: | Usually ships within one business day. |
| This threaded adapter ring replaces the eyepiece holder on the 1.25" 2.5x and 5x TeleVue Powermate Barlows. It can only be used with those newer versions of the Powermate designed to accept it (our part #7625T and #7650T). After unscrewing the black 1.25” eyepiece holder from the chrome barrel containing the optics of the Powermate, the adapter threads directly onto the chrome barrel in place of t . . .
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TeleVue - 2x Powermate image amplifier for 2" eyepieces, with 1.25" eyepiece adapter
| Our Product #: 9122 | | TeleVue #: PMT-2200 |
| In Stock: | Usually ships within one business day. |
| If 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 . . .
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TeleVue - T-ring adapter for 2" 2x Powermate
| Our Product #: 9122T | | TeleVue #: PTR-2200 |
| In Stock: | Usually ships within one business day. |
| This threaded photographic adapter ring replaces the 2" eyepiece holder on the 2" 2x TeleVue Powermate Barlow. After unscrewing the black 2” eyepiece holder from the chrome barrel containing the optics of the Powermate, the adapter threads directly onto the chrome barrel in place of the eyepiece holder. The adapter has T-threads on the other end that allow a T-ring to be attached to the adapter so . . .
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TeleVue - T-ring adapter for 2" 4x Powermate
| Our Product #: 9140T | | TeleVue #: PTR-4201 |
| In Stock: | Usually ships within one business day. |
| This threaded adapter ring replaces the 2" eyepiece holder on the 2" 4x TeleVue Powermate Barlow and can only be used with the newest version of the Powermate (our part #9140C). After unscrewing the black 2” eyepiece holder from the chrome barrel containing the optics of the Powermate, the adapter threads directly onto the chrome barrel in place of the eyepiece holder. The adapter has T-threads th . . .
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Terms of Sale | PRIVACY POLICY 7/1/2004 | Fine Print
Toll-Free Telephone Astronomics: 800-422-7876; Christophers, Ltd.: 800-356-6603
Alternate Telephone: 405-364-0858 24 Hour Fax Line: 405-447-3337
Telephone Hours: Monday-Friday 8 AM - 9 PM CST
Saturday Noon - 5 PM CST
Store Hours: Monday-Friday 9 AM - 5 PM CST
Saturday Noon - 5 PM CST
Astronomics / Christophers, Ltd.
680 S.W. 24th Ave.
Norman, OK, 73069
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