QHYCCD QHY8L User Manual
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shows a 50mm Canon lens attached to the lens adapter, prior to attachment to the
camera. Figure 7 shows the camera with the lens attached. Figure 8 shows the
lens adapter (not included with the QHY8L camera but available from astronomy
equipment retailers). The adapter has 42mm threads that screw into the camera.
It will take standard Canon EOS lenses. The adapter shown has a 7mm spacer,
which gives approximately the same distance from lens to focal plane as a DSLR.
Figure 6. Camera with Canon EOS lens adapter and 50mm lens
Figure 7. Camera with Canon EOS lens attached
Figure 8. Lens adapter for Canon EOS lenses