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02-08-2008, 07:53 PM   #1
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2.8 lens and AF540FGZ flash Pls Advise

New in DSLR Photography

I wanted to upgrade to a 2.8 lens but got discouraged by negative reviews about the new pentax da* 16-50. I plan instead to go for Sigma 18-50mm F2.8 EX DC MACRO, to mount with my K10D. I don't know if this is the best decision, picture quality wise and other technical aspects.

Planning also buy AF-540FGZ flash. but am not sure if all functions like P-TTL will still function if used wirelessly using K10D's wireless mode. and how does other wireless flash trigger compare with the k10d own wireless flash function.

Pls help.

Thanks

02-09-2008, 05:04 AM   #2
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answering the flash questions

QuoteOriginally posted by ggad Quote
Planning also buy AF-540FGZ flash. but am not sure if all functions like P-TTL will still function if used wirelessly using K10D's wireless mode. and how does other wireless flash trigger compare with the k10d own wireless flash function.
The AF-540 FGZ will use P-TTL wirelessly the master flash (which could be the pop-up flash with an up-to-date K10D firmware) sends control information in the pre-flash.

This is also the case with Sigma's 530 and 500 flashes.
02-14-2008, 11:14 PM   #3
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thank a lot
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