Ecar Posted January 30 Share #41 Posted January 30 (edited) Advertisement (gone after registration) 48 minutes ago, shirubadanieru said: Looking at all 4 lenses together, while nothing scientific, it really amazes me how great these first tries that Leica had at creating a 35mm and 50mm lenses were. You cannot see almost any difference in the center, and really the main improvement the Summilux offers VS the Elmar are the better coatings and 2.5 extra stops of light. That obviously comes at the expense of 2x or 3x the weight and cost. Interesting comparison. The other expense is likely also a somewhat "compromised" optical design, in order to enable the Summiluxes to perform at an "acceptable" level across the aperture range. 2.5 stops is a huge difference in optical terms - and there's only so much you can do without size, weight and cost becoming prohibitive (well beyond 2x or 3x). Therefore, optical design too has to pay its price to speed. This is why it is a science (art?) of compromise... Edited January 30 by Ecar JMF, shirubadanieru, ocean2059 and 1 other 4 Quote Link to post Share on other sites More sharing options...
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