[AIRdomination]

I have found more links containing information on which aircraft this sight was used (or predicted to be used) on. I will keep editing this post with more information that I find (if I find any more )

Links: apperantly you were right. Me-262 has used it, as well as for Do-335 and Ho-229

http://www.albentley-drawings.com/gun_sights.htm

http://gunsight.jp/b/english/data/sight-eg.htm