Astro-Physics 6x7cm Pentax Camera Adapter for use with 27TVPH Telecompressor (ADA67P)
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Thread this adapter into place, then use the ring shown on the right-hand side of the adapter to lock your camera into position after you have framed your image. This allows you to rotate the camera to achieve your desired composition.
Telecompressor - This adapter allows you to use the Telecompressor 27TVPH with your Pentax 6x7 camera. Your image circle will be approximately 2" fully illuminated.
To couple scopes that don't need a field flattener to the Pentax 6x7 - Thread directly onto the Astro-Physics 2.7" focuser, 4" focuser, or any focuser drawtube that measures 2.740" I.D. with 24 TPI in order to use a Pentax 6x7 without a field flattener. This is appropriate for older 6" f9 and 6" f12 scopes, however, a field flattener is needed for the shorter focal lengths to obtain the best results. Retail is $92. Offered here for only $45. I cover shipping and PP fees.
Telecompressor - This adapter allows you to use the Telecompressor 27TVPH with your Pentax 6x7 camera. Your image circle will be approximately 2" fully illuminated.
To couple scopes that don't need a field flattener to the Pentax 6x7 - Thread directly onto the Astro-Physics 2.7" focuser, 4" focuser, or any focuser drawtube that measures 2.740" I.D. with 24 TPI in order to use a Pentax 6x7 without a field flattener. This is appropriate for older 6" f9 and 6" f12 scopes, however, a field flattener is needed for the shorter focal lengths to obtain the best results. Retail is $92. Offered here for only $45. I cover shipping and PP fees.
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