Sony UWP-D27 2-Person Camera-Mount Wireless Omni Lavalier Microphone System (UC90: 941 to 960 MHz) - Manual (Page 209)

Help Guide
Interchangeable Lens Digital Camera
ILCE-7C α7C
Release w/o Lens
Sets whether or not the shutter can be released when no lens is attached.
Menu item details
Enable:
Releases the shutter when no lens is attached. Select [Enable] when attaching the product to an astronomical telescope,
etc.
Disable:
Does not release the shutter when a lens is not attached.
Note
Correct metering cannot be achieved when you use lenses that do not provide a lens contact, such as the lens of an
astronomical telescope. In such cases, adjust the exposure manually by checking it on the recorded image.
5-021-699-11(1) Copyright 2020 Sony Corporation
MENU → (Camera Settings2) → [Release w/o Lens] → desired setting. 1
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