- Dail-set Compur Leica (model B) 1926-1929, 628 cameras
- Code name – LECOM = LECUR + ETROS carrying case (from the 1931 Leitz catalog)
- Type – Compur Leaf Shutter Lens
- Body – Aluminum with black lacquered brass top plate and base plate with nickel plated knobs
- Size L x H x W – 133 x 65 x 30 mm / 5.24 x 2.60 x 1.54 in
- Designer – Oskar Barnack
