Fast lenses, and High ISO

Started Jul 18, 2014 | Discussions thread
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Chris R-UK
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Fast lenses and sensor size
In reply to Chikoo, Jul 18, 2014

Fast lenses are clearly less important on MF and FF cameras because the larger sensor allow for higher ISO settings and better DoF control.

However, as sensors get smaller, fast lenses as measured by the f-number became much more important because high ISO performance is worse and depth of field control is more difficult.

That is why Voigtlander has a range of f/0.95 lenses for M4/3 and there are superzooms like the Panasonic FZ200 with f/2.8 over the entire 24x zoom focal length range.

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Chris R

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Panasonic Lumix DMC-GH2 Olympus E-M1 Panasonic Lumix G Vario 14-45mm F3.5-5.6 ASPH OIS Panasonic Lumix G 20mm F1.7 ASPH Olympus M.Zuiko Digital 45mm F1.8 +3 more
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