Here you can see the image scale of the sun / moon with different telescopes and chip sizes

Product Description
Here you can see the magnification of the sun/moon with different telescopes and chip sizes. (How large the sun's or moon's disk is imaged in relation to the chip and telescope size.)

SkyWatcher Skymax-127 Maksutov telescopes with 127mm aperture and 1500mm focal length f/12.1 and Startravel-120 refractor with 120mm aperture and 600mm focal length f/5.

Canon EOS camera with APS-C and full-frame.

Many thanks to Mr. C.W.V.