Aperture blade roundness - problem?: Sony Alpha Full Frame E-mount Talk Forum: Digital Photography Review
![Why are the blades of a lens limited to a maximum aperture? For instance, why can't the blades F/4 lens be extended all the way to 1.4? Would there be any distortions Why are the blades of a lens limited to a maximum aperture? For instance, why can't the blades F/4 lens be extended all the way to 1.4? Would there be any distortions](https://preview.redd.it/kaxaobiqls361.jpg?auto=webp&s=7d1257376c675412d5d05623a32fcce443266902)
Why are the blades of a lens limited to a maximum aperture? For instance, why can't the blades F/4 lens be extended all the way to 1.4? Would there be any distortions
![Aperture blades used in a camera lens. Different value of the aperture opening in the optical system. Isolated background Stock Photo - Alamy Aperture blades used in a camera lens. Different value of the aperture opening in the optical system. Isolated background Stock Photo - Alamy](https://c8.alamy.com/comp/2G6JTXB/aperture-blades-used-in-a-camera-lens-different-value-of-the-aperture-opening-in-the-optical-system-isolated-background-2G6JTXB.jpg)