This article is a stub. You can help Camerapedia.org by expanding it. Shutter speeds: B;1-1000th ASA: 12-1600 Self-timer DOF/Aperture preview lever with battery-operated exposure guide LEDs Front-mounted shutter release 42mm screw mount Other images. Images[edit | edit source] Praktica MTL 50. Second version. The design of the speed dial and self-timer differs from the first version. The lens is Helios-44M-4, 58mm F2.0. (1986) Praktica MTL 50. Second version. The design of the speed dial and self-timer differs from the first version. Praktica MTL 50 uses an 6V PX28/4LR44 battery. The battery chamber has the same size as the earlier PX21-modells. The empty space left due to reduction of battery size is used for some electronic 4.5V /6 V conversion. Links[edit | edit source] on www.collection-appareils.fr by Sylvain Halgand Pentacon Praktica MTL 50 User manual Retrieved from "https://camerapedia.fandom.com/wiki/Praktica_MTL_50?oldid=110369" Categories: Stub German 35mm SLR 42mm screw mount East Germany Praktica P M Add category Cancel Save Community content is available under GFDL unless otherwise noted.