pkr1979 Member Joined Jun 25, 2019 Messages 517 Location Oslo Format Multi Format Mar 14, 2025 #1 Hi fellas, Do you calculate the bellows factor when shooting medium format with a view camera - like the Horseman VH? Cheers Peter
Hi fellas, Do you calculate the bellows factor when shooting medium format with a view camera - like the Horseman VH? Cheers Peter
Dan Fromm Member Joined Mar 23, 2005 Messages 6,835 Format Multi Format Mar 14, 2025 #2 pkr1979 said: Hi fellas, Do you calculate the bellows factor when shooting medium format with a view camera - like the Horseman VH? Cheers Peter Click to expand... Only when working closeup. Otherwise it isn't necessary.
pkr1979 said: Hi fellas, Do you calculate the bellows factor when shooting medium format with a view camera - like the Horseman VH? Cheers Peter Click to expand... Only when working closeup. Otherwise it isn't necessary.
wiltw Subscriber Joined Oct 4, 2008 Messages 6,458 Location SF Bay area Format Multi Format Mar 14, 2025 #3 At 1:1 (extension = FL) simply add 2EV At 1:2 (extension = 0.5*FL) simply add 1EV Rule applies regardless of format.
At 1:1 (extension = FL) simply add 2EV At 1:2 (extension = 0.5*FL) simply add 1EV Rule applies regardless of format.
benveniste Subscriber Joined Nov 1, 2007 Messages 528 Format Multi Format Mar 14, 2025 #4 Effective aperture = (1 + m)*f, where m is the magnification and f is the physical aperture of the lens. That said, if your lens has floating elements, such as the Pentax 120mm f/4, the physical aperture changes with focus distance.
Effective aperture = (1 + m)*f, where m is the magnification and f is the physical aperture of the lens. That said, if your lens has floating elements, such as the Pentax 120mm f/4, the physical aperture changes with focus distance.
OP OP pkr1979 Member Joined Jun 25, 2019 Messages 517 Location Oslo Format Multi Format Mar 15, 2025 #5 Thanks guys!