Alpy 600 - user guide
The Alpy 600 is mounted on the DSLR camera with
a standard T-mount adapter:
Focusing the Alpy 600
We suggest installing your DSLR camera on a tri-
pod. Focus the Alpy 600 with the same method as for
a CCD camera (refer to section 2.1). You can use sun-
light to make this operation.
But you may also use any lamp with emission lines,
such as Neon or Argon.
DSLR camera vs CCD camera
You can use your Alpy 600 and DSLR camera with
all Alpy modules and accessories (guiding, calibra-
tion, fiber optics...), for lab activities as well as for As-
tronomy. However, keep in mind that a DSLR camera
doesn’t have the same performance as a CCD camera.
The main differences are:
– Sensitivity. A CCD camera is roughly ten times
more sensitive than a DSLR camera. It means that
for the same result, you will need ten times longer
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