Quote:
Originally Posted by JA
Hi H,
The first thing I thought of was how big is the image circle. I couldn't believe the details I saw here ..... 70mm really ?? Seems incredulous, but see...... With some mention of cameras used.

Best JA
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Actually it's only 43mm the 14" is 70
43.3mm optimized image circle maintains pinpoint stars to the far corners of even the largest astroimaging sensors, while the usable field extends even further to 52 mm for larger format sensors