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12-17-2006, 10:41 AM   #1
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Pentax DA Lens

Does anyone know if Pentax will be making the SSM (Super sonic motor) 600mm f/4.0 DA lens? Would it be better to wait for a super tele digital dedicated or to order the FA 600mm f/4.0? I am currently shooting a Sigma 500mm f/4.5 and want something bigger and faster. Any guesses on how pricey a 600mm supersonic lens will be? How about weight? I'll be using it for wildlife and birds.

Thanks all,

12-17-2006, 02:23 PM   #2
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Sorry... Nothing over 300mm on their roadmap... yet...
12-18-2006, 12:54 AM   #3
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I heard that there will be a newer version of sigma 500 f4.5 EX DG to be released soon.

How does yours perform in general?

I read mixed opinions regarding this lens ...

I am having the urge to go and buy this lens now but I kind of wish pentax will produce a newer DFA version >300mm
12-19-2006, 04:18 PM   #4
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Original Poster
It is very light in comparison to some of the other brands. I can hand hold it and am eager to use it with my k10d if it ever arrives (althoughly 995 of the time I'm using it with my Wimberley head). The images are very sharp, but seem soft when using a teleconverter with it (Maybe just the nature of the beast). I wish the autofocus was faster and that it had a range selector like the canon and nikon do. It seems slow to autofocus on small flying things but bigger things it doesn't seem to have a problem with. All in all I'm happy with this lens but want more oomph. Do you know if the 600mm f/4 has been discontinued?
Good luck steph


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