Astro-Tech

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  1. 110mm finder/photoguide ring set for use w/ Losmandy-style "D-plate" dovetail, black

    Regular Price: $95.00

    Special Price $75.00

    This black Astro-Tech 110mm guidescope ring set mounts a refractor up to 100mm o.d. on an optional Losmandy-style "D-plate" dovetail that has been piggybacked on your main scope so that the small refractor can be used as a finderscope, photoguide, or astrograph . . .
  2. 114mm i.d. Astro-Tech tube rings, pair

    $99.95
    These mounting rings fit refractors such as the current AT115EDT, Takahashi TSA-102, William Optics FL-105, plus any other scope with a 114mm OD tube . . .
  3. 125mm finder/photoguide ring set for use on Losmandy-style "D-plate" dovetail, Green Rings black base

    Regular Price: $95.00

    Special Price $50.00

    This Astro-Tech 125mm guidescope ring set mounts a refractor up to 115mm o.d. on an optional Losmandy-style "D-plate" dovetail that has been piggybacked on your main scope so that the small refractor can be used as a finderscope, photoguide, or astrograph . . .
  4. 2" To 1.25" accessory adapter

    Regular Price: $19.95

    Special Price $12.95

    This Astro-Tech 2" to 1.25" eyepiece adapter lets you use 1.25" accessories in a 2" focuser or star diagonal . . .
  5. Astro-Tech #11 Yellow-green 1.25" color filter

    $11.95
    This #11 yellow-green Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 3.5" to 5" in aperture . . .
  6. Astro-Tech #12 Medium yellow 1.25" color filter

    $11.95
    This #12 medium yellow Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 4" to 8" in aperture, particularly if combined with a polarizing or neutral density filter when used with the larger apertures . . .
  7. Astro-Tech #15 Deep yellow 1.25" color filter

    $11.95
    This #15 deep yellow Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 8" and larger in aperture, particularly if combined with a polarizing or neutral density filter . . .
  8. Astro-Tech #21 Orange 1.25" color filter

    $11.95
    This #21 orange Astro-Tech 1.25" eyepiece filter is useful in improving contrast when observing the Moon and all planets out to Saturn in telescopes 6" to 8" in aperture and larger, particularly if combined with a polarizing or neutral density filter . . .
  9. Astro-Tech #23A Light red 1.25" color filter

    $11.95
    This #23A light red Astro-Tech 1.25" eyepiece filter is useful when observing Mercury and Venus during the day and at twilight and when observing Mars, Jupiter, and Saturn with telescopes 4" in aperture and larger . . .
  10. Astro-Tech #25A Medium red 1.25" color filter

    $11.95
    This #25A medium red Astro-Tech 1.25" eyepiece filter is useful when observing Mercury and Venus during the day and at twilight and when observing Mars, Jupiter, and Saturn with telescopes 8" in aperture and larger . . .
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