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05-10-2009, 12:31 PM   #46
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How about 16-50/1.8-2.8 and 60-250/2.8-4.0 that cost the same to produce?

Here's another idea - add a switch that turns the safety-stopped-down aperture at the wide end of zoom lenses. This way, the 16-50/2.8 would become ~16-50/1.8-2.8 and the 60-250/4.0 would become ~60-250/2.8-4.0. Granted, optical quality at the wide-end won't great, but as long as the user gets to choose to use it, there's no harm. Here's how users trick Olympus zoom lenses to show their real speed:

Re: 7-14mm F4? Nah. It's actually F2: Olympus SLR Talk Forum: Digital Photography Review
Yes it does work...: Olympus SLR Talk Forum: Digital Photography Review


Prog.

05-10-2009, 05:52 PM   #47
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QuoteOriginally posted by Prognathous Quote
Here's another idea - add a switch that turns the safety-stopped-down aperture at the wide end of zoom lenses. This way, the 16-50/2.8 would become ~16-50/1.8-2.8 and the 60-250/4.0 would become ~60-250/2.8-4.0. Granted, optical quality at the wide-end won't great, but as long as the user gets to choose to use it, there's no harm. Here's how users trick Olympus zoom lenses to show their real speed:

Re: 7-14mm F4? Nah. It's actually F2: Olympus SLR Talk Forum: Digital Photography Review
Yes it does work...: Olympus SLR Talk Forum: Digital Photography Review


Prog.

They should just implement that lens release button trick from Olympus.

BTW, if Sigma is make the lens, I am sure they will sell the 16-50 as "16-55mm f3.2-4 Macro". Too bad their lenses are huge and have the coating that product weird green color.
05-12-2009, 03:03 PM   #48
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Maybe the new kit lens will be WR and SDM? I'm just hoping for a WR 17-70 or superzoom to upgrade from my sigma 17-70.
05-20-2009, 01:28 AM   #49
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I see we have at least two new lenses that are, as expected by many, weather resistant. (WR). I'm not sure how this has to result in the end of the current DA line but perhaps all lenses including limiteds, will be WR[DA] lenses.

I guess we'll find out soon enough.

An example can be seen here:
http://smg.photobucket.com/albums/v313/RiceHigh/K-7/K-7_Kit_s.jpg

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