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Why don't the mirrorless camera makers built the Aperture mechanism into the camera itself?
I got the idea from seeing an adapter like this, it has 14 blades, far more than certain lenses which sometimes have 9 or even 7 blades only.
Wouldn't it make more sense to have Aperture mechanism in the camera?
-You save a lot of weight in a backpack, instead of having 5 lenses which aperture rings/barrels, you only need 1 in the camera.
-The weight is shifting from lens end to body end, making the system more comfortable to hold.
-Lens manufacturers will save a ton of cost. This cost will transfer to the consumer, who gets cheaper lenses, and lighter lenses.
-You could even turn it into a Leaf shutter, and remove the other curtain shutter behind it. This one is optional of course.
So why not?
When Sony made a new system like the E-mount, surely they could have thought about this, and designed it into E-Mount specs.