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  1. Tele Vue 0.25" (6.4mm) spacer ring for imaging with NP-127is, NP-101is, and TV-102iis

    $36.00
    This TeleVue 0.25" spacer ring provides the necessary distance between a 35mm camera and a TeleVue imaging system refractor for prime focus photography . . .
  2. Astro-Tech 20mm T-thread spacer ring for DSLR and CCD imaging with 42mm Threads

    $9.95

    This Astro-Tech 20mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field flattener, or other imaging accessory in prime focus astrophotography.

  3. Astro-Tech 5mm T-thread spacer ring for DSLR and CCD imaging with 42mm Threads

    $9.95

    This Astro-Tech 5mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field flattener, or other imaging accessory in prime focus astrophotography.

  4. Astro-Tech 10mm T-thread spacer ring for DSLR and CCD imaging with 42mm Threads

    $9.95

    This Astro-Tech 10mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field flattener, or other imaging accessory in prime focus astrophotography.

  5. Astro-Tech 2" Extension ring for A-T Ritchey-Chrétien astrographs

    $34.95
    This Astro-Tech 2" long extension ring, installed between your Astro-Tech Ritchey-Chrétien astrograph and its focuser, helps you match the back focus required for your particular complement of imaging components . . .
  6. Astro-Tech 1" Extension ring for A-T Ritchey-Chrétien astrographs

    $32.95
    This Astro-Tech 1" long extension ring, installed between your Astro-Tech Ritchey-Chrétien astrograph and its focuser, helps you match the back focus required for your particular complement of imaging components . . .
  7. Tele Vue Set of six spacer rings for imaging with NP-127is, NP-101is, and TV-102iis

    $135.00
    This TeleVue set of six spacer rings provides the necessary combinations of length needed to properly position 35mm, digital SLR, and SBIG SLT11000 CCD cameras in relation to a TeleVue imaging system refractor for most prime focus photography . . .
  8. Tele Vue 1.0" (25.4mm) spacer ring for imaging with NP-127is, NP-101is, and TV-102iis

    $36.00
    This TeleVue 1.0" (25.4mm) spacer ring provides the necessary distance between a 35mm, digital SLR, or SBIG SLT11000 CCD camera and a TeleVue imaging system refractor for prime focus photography . . .
  9. Tele Vue 0.50" (12.7mm) spacer ring for imaging with NP-127is, NP-101is, and TV-102iis

    $36.00
    This TeleVue 0.50" (12.7mm) spacer ring provides the necessary distance between a 35mm or digital SLR camera (with 0.8x TeleVue reducer) and a TeleVue imaging system refractor for prime focus photography . . .
Showing 1 to 10 of 11 total
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