ETTR is only a useful exposure strategy at base ISO for ISOless cameras like the a7. What’s the maximum ISO you should use on the a7? There are three ways that I know to find out. The first is to minimize read noise as referred to the input of the pre-ADC amplifier. If you’re trying… [Read More]
Archives for February 24, 2014
135 Telyt on M240, 135 APO-Sonnar on Sony a7
Looking for bargain camera/lens combinations that can produce great image quality is fun. How about the Carl Zeiss 135mm f/2 APO-Sonnar ZF.2 on the a7 with the Novoflex adapter? Can it compare to the much more expensive (three times as much !) combination of the 135mm f/3.4 Leica APO-Telyt on the M240? Here is the… [Read More]