Skip to content

Flatteners, Reducers & Extenders

  • Original price $209.00 - Original price $209.00
    Original price
    $209.00
    $209.00 - $209.00
    Current price $209.00

    Sky Rover 1× Field Flattener for 155 GPS Refractor

    Sky Rover
    More on the way

    The Sky Rover 155 GPS is the flagship of the Sky Rover lineup — a 155mm Super ED triplet with a 1240mm focal length at f/8. It features a redesigne...

    View full details
    Original price $209.00 - Original price $209.00
    Original price
    $209.00
    $209.00 - $209.00
    Current price $209.00
  • Original price $799.00 - Original price $799.00
    Original price
    $799.00
    $799.00 - $799.00
    Current price $799.00

    Sky Rover 0.8× Reducer/Flattener for 155 GPS Refractor

    Sky Rover
    More on the way

    The Sky Rover 155 GPS is the flagship of the GPS line — 155mm aperture, 1240mm at f/8, Super ED triplet glass with exceptional color correction and...

    View full details
    Original price $799.00 - Original price $799.00
    Original price
    $799.00
    $799.00 - $799.00
    Current price $799.00
  • Original price $209.00 - Original price $209.00
    Original price
    $209.00
    $209.00 - $209.00
    Current price $209.00

    Sky Rover 1× Field Flattener for 80 GPS Refractor

    Sky Rover
    More on the way

    The Sky Rover 80 GPS is the portable imaging refractor in the GPS lineup — the one you grab when setup time matters. Eighty millimeters of Super ED...

    View full details
    Original price $209.00 - Original price $209.00
    Original price
    $209.00
    $209.00 - $209.00
    Current price $209.00
  • Original price $699.00 - Original price $699.00
    Original price
    $699.00
    $699.00 - $699.00
    Current price $699.00

    Sky Rover 0.8× Reducer/Flattener for 130 GPS Refractor

    Sky Rover
    More on the way

    The Sky Rover 130 GPS is already a capable imaging refractor at native focal length — 130mm of Super ED triplet glass at 910mm f/7. That's a versat...

    View full details
    Original price $699.00 - Original price $699.00
    Original price
    $699.00
    $699.00 - $699.00
    Current price $699.00
  • Original price $209.00 - Original price $209.00
    Original price
    $209.00
    $209.00 - $209.00
    Current price $209.00

    Sky Rover 1× Field Flattener for 130 GPS Refractor

    Sky Rover
    More on the way

    The Sky Rover 130 GPS is a serious deep-sky imaging platform: 130mm aperture, 910mm focal length, a Super ED triplet, and a 3.7-inch focuser that g...

    View full details
    Original price $209.00 - Original price $209.00
    Original price
    $209.00
    $209.00 - $209.00
    Current price $209.00
  • Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00

    Sky Rover 1× Field Flattener for 70 GPS Refractor

    Sky Rover
    More on the way

    The Sky Rover 70 GPS is a serious little imaging system. Seventy millimeters of Super ED triplet optics delivering 420mm at f/6 and enough speed to...

    View full details
    Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00
  • Original price $199.95 - Original price $199.95
    Original price
    $199.95
    $199.95 - $199.95
    Current price $199.95

    Astro-Tech 0.8X Reducer For Astro-Tech AT66EDQ

    Astro-Tech
    More on the way

    Astro-Tech AT66EDQR 0.8× Reducer for the AT66EDQ The AT66EDQ’s most useful quality for imaging isn’t something that shows up prominently in the spe...

    View full details
    Original price $199.95 - Original price $199.95
    Original price
    $199.95
    $199.95 - $199.95
    Current price $199.95
  • Original price $69.00 - Original price $69.00
    Original price
    $69.00
    $69.00 - $69.00
    Current price $69.00

    TeleVue Adapter to Use 0.8x Reducer in 2" Focuser TV-102, NP-101, or NP-127

    TeleVue
    More on the way

    This TeleVue 2" focuser adapter lets you use the #1361 0.8x reducer with the 2" focusers of TeleVue NP-101 and NP-127 refractors. It also lets you ...

    View full details
    Original price $69.00 - Original price $69.00
    Original price
    $69.00
    $69.00 - $69.00
    Current price $69.00
  • Original price $352.00 - Original price $352.00
    Original price
    $352.00
    $352.00 - $352.00
    Current price $352.00

    Takahashi Eyepiece Projection Adapter, Needs T-Ring

    Takahashi
    More on the way

    Consists of three parts for eyepiece projection photography with Takahashi refractors only. The normal 1.25" Takahashi eyepiece holder is unscrewed...

    View full details
    Original price $352.00 - Original price $352.00
    Original price
    $352.00
    $352.00 - $352.00
    Current price $352.00
  • Original price $595.00 - Original price $595.00
    Original price
    $595.00
    $595.00 - $595.00
    Current price $595.00

    Questar Achromatic 0.6x Focal Reducer

    question
    Sold Out

    This Questar 0.6x achromatic focal reducer gives you faster photographic speeds with both 3.5" and 7" Questars. This 130mm focal length positive ac...

    View full details
    Original price $595.00 - Original price $595.00
    Original price
    $595.00
    $595.00 - $595.00
    Current price $595.00
    Sold out
  • Original price $115.00 - Original price $115.00
    Original price
    $115.00
    $115.00 - $115.00
    Current price $115.00

    Sky-Watcher EvoGuide 50ED Flattener

    Sky-Watcher
    In Stock

    Sky-Watcher Field Flattener for EvoGuide 50DX – Bring Sharpness to the Corners If you're using the Sky-Watcher EvoGuide 50DX as a wide-field astrog...

    View full details
    Original price $115.00 - Original price $115.00
    Original price
    $115.00
    $115.00 - $115.00
    Current price $115.00
  • Original price $720.00 - Original price $720.00
    Original price
    $720.00
    $720.00 - $720.00
    Current price $720.00

    Takahashi 2" 1.6X Extender-QE for the New Takahashi FSQ-106EDX4 Refractors Only

    Takahashi
    More on the way

    The Takahashi Extender-QE is designed specifically for use with the new Takahashi FSQ-106EDX4 refractors only. It serves a dual purpose with that s...

    View full details
    Original price $720.00 - Original price $720.00
    Original price
    $720.00
    $720.00 - $720.00
    Current price $720.00
  • Original price $640.00 - Original price $640.00
    Original price
    $640.00
    $640.00 - $640.00
    Current price $640.00

    Takahashi 1.25" 1.6X Extender-Q for Takahashi Refractors

    Takahashi
    More on the way

    This dual purpose Takahashi optical system is both a 2" 1.6x Barlow and a field flattening photographic tele-extender designed for use with Takahas...

    View full details
    Original price $640.00 - Original price $640.00
    Original price
    $640.00
    $640.00 - $640.00
    Current price $640.00
  • Original price $530.00 - Original price $530.00
    Original price
    $530.00
    $530.00 - $530.00
    Current price $530.00

    Takahashi 0.8X Reducer/Field Flattener/Corrector for Photography for Mewlons

    Takahashi
    More on the way

    This fully-multicoated visual/photographic focal reducer for the Takahashi Mewlon Dall-Kirkham reflectors shortens each telescope's focal length an...

    View full details
    Original price $530.00 - Original price $530.00
    Original price
    $530.00
    $530.00 - $530.00
    Current price $530.00

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare