I am not a scope expert, but in comparing the 8x56 Schmidt & Bender Klassik to the 3x12x50 Klassik set on 8 power, the fixed 8 power scope is seen as the better of the two in low light, but by a small factor.
If I could only have a fixed power scope for all hunting, it would be a S&B 6x42 Klassik.
