Stellarvue Field Large Chip Flattener For 2.5” Focusers - Accepts 48mm T-Rings

Stellarvue Field Large Chip Flattener For 2.5” Focusers - Accepts 48mm T-Rings
$339.00
Item # SV-SFF3-25-48
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  • This Stellarvue Field Large Chip Flattener is made for Stellarvue's f-7 refractors.
  • Threads to the rear of the Stellarvue 2.5” focuser or the Feather Touch 2.5” focuser.
  • Uses an over-sized 48mm camera attachment thread.
  • Provides a completely threaded mounting solution for larger chip cameras when used a 2.5” focuser.
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A Little Bit About Field Flatteners…

A relatively short focal ratio refractor (f/6-f/7) has a highly curved focal plane. This creates a problem when imaging, because the CCD chip is flat, not curved. Thus stars near the edge of the image appear elongated instead of round. A field flattener is a special lens that corrects this distortion. These Stellarvue modular field flatteners will work with virtually every camera on the market by employing various adapters, which are sold separately. Now you do not have to worry about getting different flatteners when you change cameras. Instead, you merely purchase the correct adapters as needed. Threaded adapters are a much better choice than plug-in adapters which can sag. Threading all components of the optical train ensures consistently sharper images.



Stellarvue Large Chip Flattener for 2.5" Focusers

This SFF3-25 flattener is made for Stellarvue f/7 refractors. It threads to the rear of the Stellarvue or Feathertouch 2.5” focuser. This flattener uses an over-sized 48mm camera attachment thread. Using a T ring, a DSLR camera may be used with this field flattener. This provides a completely threaded mounting solution for larger chip cameras when using a 2.5” focuser. When using a CCD astro camera, an adapter will be required. If you are not sure which adapter is right for your set-up, give one of our telescope experts a call at 800-483-6287, start a chat, or send us an email.

Additional Information

Additional Information

SKU SV-SFF3-25-48
Manufacturer Stellarvue
Barrel Size 2.5"
Warranty 2 Year Warranty
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Included Items

Included Items

  • Stellarvue Field Large Chip Flattener - Accepts 48mm T-Rings
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