Re: Pre-order: Fujifilm GFX 50S Medium Format body ($6,499)
Steve Spencer wrote:
Well your comments on point 2 are a bit misleading too. They don't take into account aspect ratio.
My bad, I've been doing so many conversions recently I used the figure for 3:2 as that's what applies to me personally. However even if you use the 4:3 aspect ratio you still wind up with more light per pixel (assuming the same pixel count) with 35mm FF lenses at a lot of focal lengths.
Steve Spencer wrote:
in much the same way that it is hard for a m4/3rds lens with an aperture of f/.095 to have the same level of quality as a 35mm FF lens at f/1.8, it will require a lot more correction of aberrations for the 80 f/1.4 lens on FF 35mm to have the level of quality of an 110mm f/2 lens on mini MF
This is a very interesting point, I was talking about sensitivity alone (to keep things simple) but if you want to combine sensitivity and aberrations then yes the larger format ought to have an advantage, especially at longer focal lengths. This is actually where I think the medium format "look" comes from - the ability to switch an f/1.8 lens for f/3.5 and produce a cleaner looking image.
Feb 15, 2017 at 05:10 PM
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