Sensor frame · 2.9° × 1.7°
Ring Nebula really is this small — 1′ in a 1.7° frame
150mm f/4.3 integrated camera
7.68 × 4.32mm sensor
Small in frame· Ring Nebula is 1′ across, 1.4% of the 1.7° short edge
A postage stamp in the middle of a large field. More focal length, or a heavy crop later.
Small but bright — a perfect smoke ring at 100–200×. A stellar remnant 2,300 light-years away.