Having followed this thread for a while, and seeing HaruhikoT's simulation results for the Leica 35mm Summilux Asph (non-FLE) here, decided to buy the OptoSigma SLB-50-5000PM lens. Having assembled the filter, below are my test shots with and without the filter. Definite corner improvement and with the usual dip in the mid-frame as expected...
Having followed this thread for a while, and seeing HaruhikoT's simulation results for the Leica 35mm Summilux Asph (non-FLE) here, decided to buy the OptoSigma SLB-50-5000PM lens. Having assembled the filter, below are my test shots with and without the filter. Definite corner improvement and with the usual dip in the mid-frame as expected...
