Ringflash with Sigma lens

Posted 07/05/2010 - 13:55 Link
Can anyone suggest a simple solution for using the Pentax ringflash with the Sigma 70 to 300 mm zoom macro lens, please
Mannesty
Posted 07/05/2010 - 14:54 Link
Welcome. Can you elaborate a bit please.

Which ringflash? Pentax has made 3 in total.
What's the problem? Fitting any of these flashes to that lens should be no problem at all as long as the front lens element doesn't rotate when you zoom or focus. If it does, you need a different lens.
Peter E Smith - flickr Photostream
George Lazarette
Posted 07/05/2010 - 23:44 Link
1 Which Pentax ringflash?

2 What is the filter size of your lens?

3 Are you sure this is an appropriate lens to use with a ringflash?

G

PS: The answer to 3 should probably be No.
Keywords: Charming, polite, and generally agreeable.
Bob and his Pentax
Posted 10/05/2010 - 21:03 Link
If its the AF160FC just use the adaptor that comes with the flash...

No problem if the front of the lens rotates as the flash can be turned on
the adaptor
Good luck

Bob

Pentax user since 1978, Digital since 1997.
Kit includes: K-7, K20D, K10D, *istDS, full set DA* lens, etc

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