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04-05-2015, 06:22 PM   #1
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K-50 Use on Celestron C8

Any tips on using a K-50 on an older Celestron C8 Super Schmidt Cassegrain? Have use a Pentax SFX-n for many years, however, digital has taken over. Does attaching the K-50 require more than switching to manual mode? Thanks.

04-06-2015, 06:21 AM - 1 Like   #2
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Attachment should be more or less the same if you already have the appropriate adapters. Be aware that if you want exposures longer than 30 seconds, you'll have to set it to bulb mode rather than manual and use a remote with a cable switch or IR remote. Here's Ricoh's guidance on the subject:

K-50 Bulb Exposures Over 30 Seconds | Ricoh Imaging Support
04-06-2015, 08:49 AM   #3
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The T-mount to K-mount adapter should fit fine on your K-50. However the adapter most likely has a non-metallic finish on it. This will probably have to be removed over the area of the "data pin" contact on the camera mount. Otherwise the green button manual metering may not work properly. Since the lens has a fixed aperture this may not be an issue.
04-06-2015, 03:10 PM   #4
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QuoteOriginally posted by Not a Number Quote
The T-mount to K-mount adapter should fit fine on your K-50. However the adapter most likely has a non-metallic finish on it. This will probably have to be removed over the area of the "data pin" contact on the camera mount. Otherwise the green button manual metering may not work properly. Since the lens has a fixed aperture this may not be an issue.
Thanks for that. Will see if we can get some good shots of southern sky pictures of Orion and some globular clusters down here in the south of New Zealand.

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