P-TTL: could someone second this

Started Feb 10, 2013 | Questions thread
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Pontoneer Senior Member • Posts: 1,499
Re: P-TTL: could someone second this

With every lens I have , ranging from my old SMC-M lenses , through to my Sigma EX AF lenses , you always look through them at maximum aperture - unless you operate the DOF preview function to stop them down ( this is usually by rotating the on/off control beyond the ON position on the digital bodies , or by a separate control on the film bodies ) .

Regardless of any aperture setting you select either on the ring of a manual lens , or in the camera body ; you will always be viewing at maximum aperture until you either use DOF preview or take the shot ( when you won't see anything as the mirror goes up ) .

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