Explore Scientific FFFR507X-00 3" Field Flattener .7x Reducer

Explore Scientific FFFR507X-00 3" Field Flattener .7x Reducer - Excellent Condition!

Explore Scientific’s 3” Field Flattener .7x Focal Reducer is a multi-faceted accessory designed to enhance your astrophotography experiences. As a field flattener, this piece addresses the edge-of-field aberrations caused by curved focal planes to ensure your night at the eyepiece will result in crisp, true images.

As a focal reducer, this device will reduce your f-ratio by .7, which results in a wider field of view, brighter images and less exposure time. Recommended for our 127mm and 152mm refracting telescopes, this field flattener/focal reducer boasts fully multi-coated optics.

While technically this was designed for the F/8 system, through user experiences and our subsequent testing we have concluded that our 3" Flattener / Reducer performs very well with our F/7.5 refractors.


We purchased these factory returns directly from Explorer Scientific. Optics have been cleaned & tested. 

Note: Does not qualify for the the Explore Scientific warranty, part of the serial number has been removed. Comes with a 30 day money back guarantee which will give you plenty of time to inspect and test this fine item. Please contact us if you have any questions.

Explore Scientific FFFR507X-00  3" Field Flattener .7x Reducer
  • Item #: Explore Scientific 3" Flattner
  • Manufacturer: Explore Scientific
  • Condition: Refurbished
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Price $214.95