by Rodrigo

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No, it works the other way around. The main measure to know is the flange distance. This is the distance between the mount and sensor on a camera. Lenses for a particular mount are designed for exactly that distance. If a lens would be mounted with the wrong flange distance it would not be able to achieve focus for more than a very short distance, usually a ...


Did you see the following review on the Amazon page for the product you linked to? As noted by other people who have bought this adapter, there are issues with its ability to securely mount the Pentax lens. After doing some cross-referencing with similar adapters, it is obvious that the retaining spring is on wrong! Someone had one job to do…. Spring ...


The reason you can't adapt E-mount lenses to your A-mount camera is the same reason you can't adapt rangefinder lenses to a dSLR--the flange distance. The flange distance is the distance from the image plane that the lens is held by the lens mount. This distance is specific to each mount system, and must be maintained for a lens to focus through its full ...

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