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Altair flattener for 60EDF refractor

Altair flattener for 60EDF refractor
Altair 60 EDF Flattener FLAT-60 Altair 60EDF Flattener FLAT-60 Optimum Spacing Diagram
£110.00
Incl. VAT 20.00 % ( £18.33 )
Product Code
FLAT-60EDF
Manufacturer
Altair Astro

Simply remove unscrew the rear 2" push-fit adapter from the 60EDF focuser, and screw the flattener into the focuser-end cap for a rigid fit.

The camera-facing rear thread on the Planostar unit is M48 male, which allows the use of the Starwave DSLR Adapter for Canon/Nikon and various Altair Astro M48 spacers for use with CCD cameras.

For use with the Hypercam (12.5mm backfocus) you need the T2M-M48F adapter to change from M48 to T2-Thread. 

Spacing from rear flat shoulder of the PlanoStar to the CCD film plane is approximately 54.8mm and you can use the Altair Astro M48 or T-thread spacer system to fine-tune the optimum distance for your camera sensor and filter setup.

Why is a field flattener required to take images with my refractor? All refractor lens systems exhibit some natural field curvature which, while not relevant for visual observation, can be visible in images. This field flattener/reducer screws directly into the rear focuser rotator of your refractor, converting it into an astrograph with a flatter photographic field than the existing lens system alone. 

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M48 x 0.75 DSLR Adapter for Canon or Nikon
desc here
£14.50
Incl. VAT 20.00 % ( £2.42 )
7.5mm M48 Spacer Extension Tube Ring - Easy Grip
desc here
£9.00
Incl. VAT 20.00 % ( £1.50 )
Starwave Universal Finder Mounting Shoe / Bracket UNIFBR
desc here
£15.00
Incl. VAT 20.00 % ( £2.50 )
M48 Female to T2 Male Adapter Converter for Hypercam (with Easy Grip)
desc here
£10.00
Incl. VAT 20.00 % ( £1.67 )

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