Mazurka said:There are clearly not the same -- just similar. 😛
For the record, it was Zeiss who invented the Biogon, double-Gauss and Sonnar formulae which have been copied and modified by every camera-lens maker, Leitz/Leica included.
Robert Price said:Due to there Similarities, that is why a G2 Lenses are such good lenses.
caila77 said:that's right I have to write VERY SIMILAR
ferider said:Check out the Canon 35/2 and 50/1.4 and their similarities to the Leitz 35 Summicron and 50 Summilux (and were designed earlier).
See, for instance
http://www.taunusreiter.de/Cameras/Canon_RF_2.html
BTW, you only show one variant of the 35/2. Others have 6 or 8 elements.
Roland.