20 years ago we had a K mount with accurate aperature.
Not really. 'A' lenses on Super Program in program or shutter priority mode is no more accurate than current combination. Just that this issue wasn't raised.
Then we had the KA derivatives that were accurate only without using A.
No less accurate than A or F lenses.
Now we've got KAJ which is accurate using A, and is about as good as K.
I don't have the *ist & FAJ lenses to play with, but I don't see how they would be more accurate if the same design was retained. You cannot just make one product accurate and expect everything works perfectly, because the issue is about combination.
Progress and improvement is a marvelous thing.
Not really, there is no improvement in this area.
regards, Alan Chan
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