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Old 27-11-2024, 09:04 AM
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OneCosmos (Chris)
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Join Date: Apr 2010
Location: Brisbane
Posts: 559
Image circle for full frame cameras

Apologies if this has been done to death (although I quickly searched the forums for “full frame”).

I have a WO FLT 120 which I believe, with the P Flat 68iii flattener, may provide a 44mm image circle and camera manufacturers always seem to say this means it will work fine with full frame sensors. Everything I read, however, indicates full frame requires 46mm.

Is anyone using FF WITH THE FLT120?

Simple question then. Is it folly to buy full frame sensor leading to frustration and disappointment or should I go with APS-C e.g QHY 268 mono?

Second question does an APS-C chip really need 2” filters?

Last edited by OneCosmos; 27-11-2024 at 01:19 PM.
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