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Photo Forum / Digital Photography / DSLR Cameras / August 2005Olympus releases another EXPENSIVE zoom
"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round interchangeable lens available*. Boasting a 1:2.0 aperture across its entire focal range spectrum, it offers photographers exceptional flexibility to boost their effectiveness while on assignment. Preliminary features Ultra-bright 1:2.0 fixed aperture Super ED and ED glass elements for absolute minimum chromatic aberration Splash and dust proof construction to enhance reliability 2.5x wide-angle zoom performance 14-35mm(28-70mm on a 35mm camera) Planned sales start autum 2005. * As at February 2005" >"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the >ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round [quoted text clipped - 14 lines] >Planned sales start autum 2005. >* As at February 2005" fixed aperture? What does this mean. Not what I interpret it to mean, i hope. >>"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the >>ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round [quoted text clipped - 17 lines] > fixed aperture? What does this mean. Not what I interpret it to > mean, i hope. Fixed aperture usually means fixed "maximum" aperture. Now, I don't know what he means by 1:2.0. I think there is a 14-35 f/2.0 lens coming out. How much is it? Canon has 16-35 f/2.8. As the 4/3 system has a smaller sensor with less than ideal low light performance. That 1 stop isn't going to make any difference. >>>"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the >>>ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round [quoted text clipped - 23 lines] >sensor with less than ideal low light performance. That 1 stop isn't >going to make any difference. Well, if someone can shoot at 200ISO instead of 400, it will make some difference. -Rich > Well, if someone can shoot at 200ISO instead of 400, it will make some > difference. > -Rich If you get good enough results at 400ISO it will make no difference ;O) >> Well, if someone can shoot at 200ISO instead of 400, it will make some >> difference. >> -Rich > >If you get good enough results at 400ISO it will make no difference ;O) Then I guess IS makes no sense either, since it's designed to allow you use lower shutter speeds? In all these cases, they allow more freedom. >>>>"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the >>>>ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round [quoted text clipped - 27 lines] > difference. > -Rich Not so when comparing Olympus E300 ISO 200 to Canon 350D ISO 400. >>>>>"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the >>>>>ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round [quoted text clipped - 29 lines] > >Not so when comparing Olympus E300 ISO 200 to Canon 350D ISO 400. No, but what if you only own the Olympus? Or, what if you've engaged IS with the Canon and pushed the ISO as high as you can, would the extra f-stop of light not be worth anything to you? -Rich >>>>>>"With a zooming range spanning 14-35mm (28-70mm on 35mm cameras), the >>>>>>ZUIKO DIGITAL ED 14-35mm is set to become the brightest all-round [quoted text clipped - 34 lines] > extra f-stop of light not be worth anything to you? > -Rich We are comparing Canon 16-35/2.8 vs. Olympus 14-35/2. Not comparing Canon 16-35/2.8 vs 17-40/4 or Olympus 14-35/2 vs ??-??/2.8. >fixed aperture usually means fixed "maximum" aperture. "Aperture" is not a synonym for f-stop; aperture is an absolute measurement (mm or inches); f-stop is a ratio of focal length to effective aperure. That's why it is often express as a fraction: f/x.  Signature<>>< ><<> ><<> <>>< ><<> <>>< <>>< ><<> John P Sheehy <JPS@no.komm> ><<> <>>< <>>< ><<> <>>< ><<> ><<> <>>< >fixed aperture? What does this mean. Not what I interpret it to >mean, i hope. They probably meant "fixed minimum f-stop across the zoom range". Signature<>>< ><<> ><<> <>>< ><<> <>>< <>>< ><<> John P Sheehy <JPS@no.komm> ><<> <>>< <>>< ><<> <>>< ><<> ><<> <>>< |
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