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Sony E body + Contax/Yashica C/Y lens

COMPATIBLE MF MA SB MAC TS

Full focus range and manual aperture control will be available.

Speaking of C/Y receptacles, we're currently talking about the SLR versions, adapters are also available for them. The bayonet lock itself is similar to the more modern solutions, three locking lugs lock it in place on the body or adapter. The adapter consists of two parts: a thick tube and the bolted-on C/Y bayonet lock, as well as the release. You won't pay a hefty price, usually not more than $ 10-20.

Another available type for the C/Y-NEX is the tilt-shift adapter, which will convert any C/Y lens in a heartbeat. Find them here:

A further option, the macro adapter comes with an adjustable ring, which allows to increase distance between the lens and the sensor. This quasi-macro mode will leave you without infinity focus, but the near focus point will be closer. The imaging won't be altered much by this. Macro adapters can be found on eBay:

Last but not least, speedbooster adapters come with an extra lens, that shrinks the fullframe C/Y image to the APS-C sensor's size (A6000, A6300, A6500) with some loss of quality:


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Terminology

In terms of compatibility, we distinguish four separate categories:

COMPATIBLE
PARTIALLY COMPATIBLE
COMPATIBLE IN THEORY
NOT COMPATIBLE
This means that you'll be able to apply the lens on the camera in question with a proper adapter, and full focus range will be available with it (often with aperture control too). If AF is supported, you'll see it in the description.
This means that due to the flange focal depth or other factor this conversion would be normally unfeasible, but with some compromises (e.g. using a speedbooster adapter) can be made possible.
This means that the flange focal depth should make mounting and using inifinty focus possible, but for some reason there are no adapter rings available or other factors make it unviable.
This means that you won't be able to mount your lens due to mechanical incompatibility or the difference in flange focal depth doesn't make inifinity focus possible. Although numerous lenses can be mounted on cameras without infinity focus, but this cannot be considered actual compatibility.

Additional information for compatible variations:

MF
AF
MA
AA
SB
MAC
TS
manual focus (on the lens, with its own control ring)
autofocus available (AF controlled by the camera body)
manual aperture control (on the lens, with its own control ring)
automatic aperture control (controlled by the camera body)
speedbooster (focal reducer) adapters are available
macro (variable length) adapters are available
tilt-shift (or other flexible) adapters can be used

If you'd like to read more in-depth about compatiblity, you'll need to get familiar with flange focal depth, see this article.