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Two new olympus pro lenses coming
#6
The 'F8' equvialency is only for DOF; and while you can argue it is relevant to total light gathering; it is also very misleading esp when one is concern about shutter speed not light gathering. Yes the lens gather less total light because the sensor is smaller but the amount of light that strikes a certain spot is the same whether the lens is designed for 6x7 or 4/3. So it is a 600F4 lens equivalent with regards to shutter usage (ability to stop motion) and I think that is the relevant point.

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If you shift the argument to FF can use higher iso with less noise then there will be a long debate on just how much higher can the ISO be with with camera; after all the fuji apsc does quite well compared to the 5d Mk 3; so perhaps we shouldn't go in that direction ?

  


Messages In This Thread
Two new olympus pro lenses coming - by frank - 02-12-2014, 08:45 AM
Two new olympus pro lenses coming - by frank - 02-12-2014, 02:19 PM
Two new olympus pro lenses coming - by Sylvain - 02-12-2014, 04:41 PM
Two new olympus pro lenses coming - by Guest - 02-12-2014, 09:04 PM
Two new olympus pro lenses coming - by Guest - 02-13-2014, 02:29 PM
Two new olympus pro lenses coming - by thxbb12 - 02-13-2014, 04:26 PM
Two new olympus pro lenses coming - by PhotoGMan - 02-22-2014, 05:03 PM
Two new olympus pro lenses coming - by Sylvain - 02-24-2014, 08:52 PM
Two new olympus pro lenses coming - by felix - 02-25-2014, 01:33 PM
Two new olympus pro lenses coming - by thxbb12 - 02-25-2014, 02:43 PM
Two new olympus pro lenses coming - by thxbb12 - 02-26-2014, 07:09 PM
Two new olympus pro lenses coming - by thxbb12 - 02-27-2014, 07:59 AM
Two new olympus pro lenses coming - by frank - 03-04-2014, 04:59 AM
Two new olympus pro lenses coming - by thxbb12 - 03-04-2014, 09:38 PM
Two new olympus pro lenses coming - by thxbb12 - 03-06-2014, 09:09 AM

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