Explore Scientific 3'' 0.7x Reducer / Corrector / Field Flattener
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Explore Scientific 3'' 0.7x Reducer / Corrector / Field FlattenerExplore Scientific 3'' 0.7x Reducer / Corrector / Field FlattenerExplore Scientific 3'' 0.7x Reducer / Corrector / Field FlattenerExplore Scientific 3'' 0.7x Reducer / Corrector / Field Flattener

Explore Scientific 3" 0.7x Reducer / Corrector / Field Flattener

£305.00✓ 2 year warranty

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In stock shipped 1-2 working days.

About this product

Model:  es_3inch_0.7x_fr
Part Number:  0510360

The Explore Scientific 3" 0.7x Reducer / Corrector reduces the effective focal length of a particular instrument by the factor 0.7x (for f/8) and 0.8x (for f/10) respectively. The reducer/corrector not only reduces the focal length but also operates as a very effective field flattener.

Although originally developed for the Explore Scientific ED-APOs 127mm and 152mm, the reducer can be used with many systems, including the new Meade ACF f/8 systems. 

This reducer/corrector comes with 3" barrel and adaptors for Nikon and Canon DSLRs. Maximum free optical aperture is measured at 65mm.

Pictured left are the various configurations in which the Explore Scientific 3in 0.7x Reducer - Corrector can be mounted on standard Explore Scientific Triplet Apos. Simply unscrew the eyepiece holder on the Explore Scientific Apo from the main focuser tube and the supplied ES Flattener/Reducer adapter ring screws on to the exposed ring.

This Reducer Corrector is ideal for large format cameras and imager sensors. Vignetting is exceptionally well-controlled, due to its large aperture.

Back focus distance required:

  • 55mm with the Canon T2 Adapter
  • 78.5mm with the Nikon T2 Adapter

Please note: Explore Scientific refractors fitted with the newer 2.5" Hexfocus/Hexafoc focuser will require the additional Explore Scientific Hexafoc 2.5" Adapter for 3" Corrector to fit to their focusers.

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