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Lumicon - 1.25" Deep Sky broadband filter
| Our Product #: DS1 | | Lumicon #: LF3010 |
| Back-Ordered: | Temporarily out of stock; will charge and ship when available. |
| This 1.25” filter has an extra-wide 900 Ångstrom visual passband that's designed for visually enhancing emission nebulas and the violet reflected starlight of reflection nebulas with all telescope types . . .
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Lumicon - Deep Sky broadband filter for Schmidt-Cassegrain visual backs
| Our Product #: DSVB | | Lumicon #: LF3020 |
| Back-Ordered: | Temporarily out of stock; will charge and ship when available. |
| This filter threads onto the 2” rear cell of 5” and larger Celestron Schmidt-Cassegrain telescopes and 7” and larger Meade Schmidt- and Maksutov-Cassegrains. Its cell duplicates the telescopes’ 2” rear cell threads, allowing all visual and photographic accessories to be attached securely to the filter. It allows eyepieces to be changed quickly in a star diagonal without having to change the light . . .
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Lumicon - 48mm Deep Sky broadband filter
| Our Product #: DS48 | | Lumicon #: LF3015 |
| Back-Ordered: | Temporarily out of stock; will charge and ship when available. |
| This 48mm filter threads into most 2” eyepieces, except those Meade Ultra Wide Angles and TeleVue Naglers which have dual (2” and 1.25”) barrels. These eyepieces must use 1.25” filters. This filter has an extra-wide extra-wide 900 Ångstrom visual passband designed for visually enhancing emission nebulas and the violet reflected starlight of reflection nebulas with all telescope types. It th . . .
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Thousand Oaks - LP-1 broadband for 1.25" eyepieces
| Our Product #: LP11 | | Thousand Oaks #: LP-1 1.25" |
| In Stock: | Usually ships within one business day. |
| This 1.25” filter has a moderately wide 560 Ångstrom passband for visual use on emission nebulas in slight to moderately light polluted areas. It typically has a peak transmission approaching 96% at the visually important emission lines of hydrogen-beta at 4861Å and doubly ionized oxygen at 4959Å. Transmission at the 5007Å doubly ionized oxygen line is typically approaches the somewhat lower (but . . .
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Thousand Oaks - LP-1 broadband for 2" eyepieces
| Our Product #: LP12 | | Thousand Oaks #: LP-1 2" |
| In Stock: | Usually ships within one business day. |
| This 48mm filter for 2” eyepieces has a moderately wide 560 Ångstrom passband for use in slight to moderately light polluted areas. This filter is primarily for visual use on emission nebulas with medium to long focal length 2” eyepieces. It typically has a peak transmission approaching 96% at the visually important emission lines of hydrogen-beta at 4861Å and doubly ionized oxygen at 4959Å and ty . . .
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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 8 AM - 6 PM CST
Tuesday-Friday 8 AM - 8 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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