Camera Accessories
Vintage Helios Auto Tele Converter M42 Screw Mount, Helios SLR Camera Tele Converter, Vintage Photography, Vintage 1980s
Helios Auto 2x Tele Converter - a great, affordable way to effectively double the focal length of the lens attached to your camera. Suitable for cameras featuring the M42 screw-fit mount (Zenit, Pentax, Praktica etc) - or others, via an adapter. The...
https://www.bizrate.co.uk/cameraaccessories/vintage-helios-auto-tele-converter-oid37027292167.html
