jimleicam3 Posted May 10, 2014 Share #1 Â Posted May 10, 2014 Advertisement (gone after registration) How would one figure the equivalent focal length of a M lens on a T body? I have a Summicron 35mm that I use on my M8, I also have a Summilux 50 mm. What would they equal on a T? Also would I still have to use a filter? Cheers!! Link to post Share on other sites More sharing options...
Advertisement Posted May 10, 2014 Posted May 10, 2014 Hi jimleicam3, Take a look here M Lens focal length with the T body. I'm sure you'll find what you were looking for!
Jay B Posted May 10, 2014 Share #2 Â Posted May 10, 2014 Multiply the M lens focal length by 1.5. So a 50mm would be seeing a 75mm field of view when used on the T. Link to post Share on other sites More sharing options...
jimleicam3 Posted May 10, 2014 Author Share #3 Â Posted May 10, 2014 Thanks! Link to post Share on other sites More sharing options...
stevesurf Posted May 10, 2014 Share #4 Â Posted May 10, 2014 What is interesting is that the crop factor is the ratio of the sensor diagonal dimensions between 35mm and the Leica T, so it would be 43.3/28.35=1.53 Â I know it sounds like splitting hairs, but if I put my 50 Summilux (which is actually 51.4mm focal length), the equivalent is closer to 79mm; the difference gets greater with focal length. Link to post Share on other sites More sharing options...
stevesurf Posted May 11, 2014 Share #5 Â Posted May 11, 2014 Here's the sensor data that the above was based on, rescaled to 1024 pixels: Link to post Share on other sites More sharing options...
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