On 11/7/2010 3:46 AM, P. J. Alling wrote:
The aperture lever isn't the mythical aperture simulator, every K mount lens, (except mirror telephotos), has an aperture lever to this very day.
Don't split levers, Peter. Proper mount has two mechanical couplings - one to engage the aperture during the shot and one to hmmm well, engage it but for different purpose - for measuring. Pentax has invented the infamous green button thinking that looking at green color will pacify our nerves. Boy, was Pentax mistaken.
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