In reply to Anonymoose:
So far we have:
Based on the Silva Exped 4.
Lose the cm/mm scale on the end.
Degrees not Mils
put the mm/cm ruler on one long side
Loose the hole through the baseplate
Fatter needle
Chunky Needle housing.
Decent luminous markings
Get rid of the 1:63 Romer.
Have a 1:25, 1:50 and 1:40 Romer.....
Put the 1:25 right along the end of the baseplate?
What else??