Yet another excercise: Infrared

Started Aug 9, 2005 | Discussions thread
OP Mousehill Veteran Member • Posts: 7,539
Re: A Question About Focus

JensR wrote:
Hi Scott!

My question is: would the AF with the filter (or using the AF
indicator on manual lenses) be more accurate than focusing without
the filter considering the IR focus shift?

Thanks for the reminder and let's read what Mike experienced!

I didn't experience a thing with AF-IR. The only lens I've used so far was the K-mount 24mm which has a 52mm thread. I do have a 52 to 49mm step-down ring somewhere so I'll try some shots with autofocus turned on next time also. I did notice that the DS is able to autofocus as the in-focus beeps were clearly audible, even with the IR filter attached.

By the way, for those interested, I got my filter from Ravenous photograpy. They were very fast with shipping and fair on the price.
http://stores.ebay.ca/Ravenous-Photography

Best regards,
Mike
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Gallery at http://www.culinair.com

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