DescriptionSonyAlphaMountLens.jpg English: A lens showing the SonyAlphamount with eight contacts and screw drive focus. The lens is a Tamron SP 17-50mm
en: The SonyAlpha 7R IV is a mirrorless interchangeable lens camera. Internal designation: SonyAlpha ILCE-7RM4. This image shows it in combination with
Astroaufnahmen in Verbindung mit dem SonyAlpha 7RII Gehäuse über ein Novoflex NEX-CAN Adapter. Wikipedia en: Canon FD lensmount Wikipedia de: Canon FD-Bajonett