The ZG 1229 was designed by Allgemeine Elektrizitäts-Gesellschaft (AEG) and Forschungsanstalt der Deutschen Reichspost (RPF).

[1] However, reports indicate that ZG 1229 units were extremely delicate and considered too cumbersome for attack situations.

[2] Successful tests of the infrared sighting device for hand fire arms were made by the Panzergrenadiere during February and March of 1945.

Both my late grandfather, Gerhard Sarnes, and one of the ex-soldiers that I interviewed, did recall Eastern Front snipers shooting at night with the aid of "peculiar non-shining torches coupled with enormous optical sights" mounted on their rifles.

[6] In addition, the short target detection range would have made the use of this sight by snipers and machine gunners extremely difficult, if not impossible.