Astro-Tech

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  1. 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 . . .
  2. 125mm finder/photoguide ring set for use on Losmandy-style "D-plate" dovetail, Green Rings black base

    $95.00
    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 . . .
  3. 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 . . .
  4. 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 . . .
  5. 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 . . .
  6. Astro-Tech #29 Dark red 1.25" color filter

    $11.95
    If you have a big scope (10" in aperture and larger), this #29 dark red Astro-Tech 1.25" eyepiece filter can be useful when observing Mercury and Venus during the day and at twilight and when observing Mars, Jupiter, and Saturn . . .
  7. Astro-Tech #47 Violet 1.25" color filter

    $11.95
    If you have a big scope (8" in aperture and larger), this Astro-Tech #47 violet 1.25" eyepiece filter can help detect high clouds and haze over the Martian polar caps and enhance structure in Saturn's rings . . .
  8. Astro-Tech #56 Light green 1.25" color filter

    $11.95
    If you have a scope 6" in aperture and under, this Astro-Tech #56 light green 1.25" eyepiece filter is a useful tool for observing different features on every planet from Venus to Saturn . . .
  9. Astro-Tech #58 Dark green 1.25" color filter

    $11.95
    This Astro-Tech #58 dark green 1.25" eyepiece filter is very helpful when observing the Moon and Mars, plus enhances a variety of features on all the other planets from Venus to Saturn If you have a scope 8" in aperture and larger . . .
  10. Astro-Tech .8x Reducer Field Flattener For the 60ED Optical Tubes

    $139.95
    Looking to make your Astro-Tech (or variant) scope faster and flatter for photography? Then the .8x reducer/flattener is exactly what your are looking for.
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