Leica Summicron-R 50mm f/2.0 v.1
Optical design
Bright lens thanks to the high aperture value Has 5 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.Physical characteristics
With a lens filter diameter of 49 mm commonly filter size, gives you a variety of filter options. Weights 290 grams so consider putting to your camera bag.Leica Summicron-R 50mm f/2.0 v.1 purchase history
Purchases (576)
- Jul 29, 2025$289.00
- Jun 18, 2025$708.00
- Jun 18, 2025$718.00
- Apr 18, 2025$372.00
- Apr 18, 2025$394.00
- Apr 18, 2025$396.00
- Apr 18, 2025$386.00
- Mar 30, 2025$1561.00
- Mar 30, 2025$714.00
- Mar 30, 2025$10067.00
- Mar 29, 2025$561.00
- Mar 29, 2025$484.00
- Mar 28, 2025$408.00
- Mar 28, 2025$592.00
- Mar 28, 2025$469.00
- Mar 28, 2025$439.00
- Mar 26, 2025$407.00
- Mar 26, 2025$713.00
- Mar 26, 2025$439.00
- Mar 25, 2025$336.00
- Mar 25, 2025$556.00
- Mar 25, 2025$357.00
- Mar 24, 2025$1219.00
- Mar 24, 2025$356.00
- Mar 24, 2025$581.00
- Mar 24, 2025$521.00
- Mar 24, 2025$561.00
- Mar 24, 2025$408.00
- Mar 23, 2025$811.00
- Mar 23, 2025$342.00
- Mar 23, 2025$439.00
- Mar 22, 2025$1120.00
- Mar 22, 2025$449.00
- Mar 22, 2025$11.00
- Mar 22, 2025$401.00
- Mar 22, 2025$377.00
- Mar 22, 2025$1658.00
- Mar 21, 2025$561.00
- Mar 21, 2025$581.00
- Mar 21, 2025$893.00
- Mar 20, 2025$408.00
- Mar 20, 2025$465.00
- Mar 20, 2025$2141.00
- Mar 19, 2025$561.00
- Mar 17, 2025$815.00
- Mar 16, 2025$376.00
- Mar 16, 2025$377.00
- Mar 16, 2025$602.00
- Mar 16, 2025$815.00
- Mar 15, 2025$1219.00
- Mar 15, 2025$308.00
- Mar 15, 2025$230.00
- Mar 14, 2025$309.00
- Mar 13, 2025$3211.00
- Mar 12, 2025$383.00
- Mar 11, 2025$326.00
- Mar 10, 2025$612.00
- Mar 9, 2025$520.00
- Mar 9, 2025$434.00
- Mar 9, 2025$1826.00
- Mar 9, 2025$429.00
- Mar 8, 2025$459.00
- Mar 8, 2025$454.00
- Mar 7, 2025$1122.00
- Mar 7, 2025$554.00
- Mar 7, 2025$560.00
- Mar 7, 2025$1110.00
- Mar 7, 2025$119.00
- Mar 7, 2025$120.00
- Mar 7, 2025$2295.00
- Mar 7, 2025$2271.00
- Mar 6, 2025$408.00
- Mar 6, 2025$1377.00
- Mar 6, 2025$1363.00
- Mar 6, 2025$404.00
- Mar 3, 2025$459.00
- Mar 3, 2025$612.00
- Mar 3, 2025$454.00
- Mar 3, 2025$606.00
- Mar 2, 2025$907.00
- Mar 2, 2025$917.00
- Mar 1, 2025$407.00
- Mar 1, 2025$434.00
- Mar 1, 2025$403.00
- Mar 1, 2025$439.00
- Feb 28, 2025$328.00
- Feb 28, 2025$10201.00
- Feb 28, 2025$10093.00
- Feb 27, 2025$1836.00
- Feb 27, 2025$1855.00
- Feb 26, 2025$545.00
- Feb 26, 2025$379.00
- Feb 26, 2025$383.00
- Feb 26, 2025$551.00
- Feb 25, 2025$298.00
- Feb 25, 2025$301.00
- Feb 25, 2025$3774.00
- Feb 25, 2025$3735.00
- Feb 24, 2025$1325.00
- Feb 24, 2025$1311.00
- Feb 23, 2025$1509.00
- Feb 23, 2025$797.00
- Feb 23, 2025$806.00
- Feb 19, 2025$328.00
- Feb 18, 2025$2443.00
- Feb 18, 2025$505.00
- Feb 18, 2025$2417.00
- Feb 18, 2025$500.00
- Feb 18, 2025$281.00
- Feb 18, 2025$285.00
- Feb 17, 2025$482.00
- Feb 17, 2025$388.00
- Feb 17, 2025$383.00
- Feb 17, 2025$555.00
- Feb 17, 2025$1325.00
- Feb 17, 2025$561.00
- Feb 17, 2025$306.00
- Feb 17, 2025$310.00
- Feb 17, 2025$477.00
- Feb 17, 2025$1311.00
- Feb 16, 2025$2855.00
- Feb 16, 2025$2825.00
- Feb 16, 2025$907.00
- Feb 16, 2025$399.00
- Feb 16, 2025$403.00
- Feb 16, 2025$917.00
- Feb 15, 2025$505.00
- Feb 15, 2025$643.00
- Feb 15, 2025$636.00
- Feb 15, 2025$510.00
- Feb 14, 2025$602.00
- Feb 14, 2025$596.00
- Feb 13, 2025$2018.00
- Feb 13, 2025$454.00
- Feb 13, 2025$1512.00
- Feb 13, 2025$298.00
- Feb 13, 2025$459.00
- Feb 13, 2025$301.00
- Feb 13, 2025$1594.00
- Feb 13, 2025$1528.00
- Feb 13, 2025$314.00
- Feb 12, 2025$1514.00
- Feb 12, 2025$272.00
- Feb 12, 2025$274.00
- Feb 12, 2025$1530.00
- Feb 12, 2025$1597.00
- Feb 12, 2025$286.00
- Feb 11, 2025$953.00
- Feb 11, 2025$913.00
- Feb 11, 2025$903.00
- Feb 10, 2025$934.00
- Feb 10, 2025$944.00
- Feb 10, 2025$273.00
- Feb 10, 2025$275.00
- Feb 10, 2025$985.00
- Feb 10, 2025$287.00
- Feb 9, 2025$353.00
- Feb 9, 2025$357.00
- Feb 9, 2025$373.00
- Feb 8, 2025$3715.00
- Feb 8, 2025$3523.00
- Feb 8, 2025$3560.00
- Feb 8, 2025$559.00
- Feb 8, 2025$530.00
- Feb 8, 2025$536.00
- Feb 7, 2025$1537.00
- Feb 7, 2025$1473.00
- Feb 7, 2025$553.00
- Feb 7, 2025$525.00
- Feb 7, 2025$1458.00
- Feb 7, 2025$530.00
- Feb 6, 2025$449.00
- Feb 6, 2025$468.00
- Feb 6, 2025$444.00
- Feb 5, 2025$2091.00
- Feb 5, 2025$2069.00
- Feb 5, 2025$2182.00
- Feb 4, 2025$505.00
- Feb 4, 2025$532.00
- Feb 4, 2025$510.00
- Feb 3, 2025$387.00
- Feb 3, 2025$1513.00
- Feb 3, 2025$367.00
- Feb 3, 2025$371.00
- Feb 3, 2025$1529.00
- Feb 3, 2025$1595.00
- Feb 2, 2025$1312.00
- Feb 2, 2025$483.00
- Feb 2, 2025$1384.00
- Feb 2, 2025$458.00
- Feb 2, 2025$301.00
- Feb 2, 2025$1326.00
- Feb 2, 2025$463.00
- Feb 2, 2025$496.00
- Feb 2, 2025$304.00
- Feb 2, 2025$470.00
- Feb 2, 2025$475.00
- Feb 2, 2025$318.00
- Feb 1, 2025$1060.00
- Feb 1, 2025$394.00
- Feb 1, 2025$1514.00
- Feb 1, 2025$398.00
- Feb 1, 2025$1071.00
- Feb 1, 2025$1530.00
- Feb 1, 2025$1597.00
- Feb 1, 2025$1118.00
- Feb 1, 2025$415.00
- Jan 31, 2025$1504.00
- Jan 31, 2025$420.00
- Jan 31, 2025$399.00
- Jan 31, 2025$1520.00
- Jan 31, 2025$1586.00
- Jan 31, 2025$403.00
- Jan 28, 2025$425.00
- Jan 28, 2025$399.00
- Jan 28, 2025$403.00
- Jan 28, 2025$407.00
- Jan 28, 2025$379.00
- Jan 28, 2025$2172.00
- Jan 28, 2025$383.00
- Jan 27, 2025$384.00
- Jan 27, 2025$388.00
- Jan 27, 2025$709.00
- Jan 27, 2025$740.00
- Jan 27, 2025$655.00
- Jan 27, 2025$691.00
- Jan 27, 2025$404.00
- Jan 27, 2025$662.00
- Jan 27, 2025$701.00
- Jan 26, 2025$611.00
- Jan 26, 2025$426.00
- Jan 26, 2025$404.00
- Jan 26, 2025$408.00
- Jan 26, 2025$605.00
- Jan 26, 2025$638.00
- Jan 24, 2025$352.00
- Jan 24, 2025$356.00
- Jan 24, 2025$740.00
- Jan 24, 2025$772.00
- Jan 24, 2025$3876.00
- Jan 24, 2025$3432.00
- Jan 24, 2025$3917.00
- Jan 24, 2025$371.00
- Jan 24, 2025$4087.00
- Jan 24, 2025$3255.00
- Jan 24, 2025$3290.00
- Jan 24, 2025$732.00
- Jan 23, 2025$384.00
- Jan 23, 2025$388.00
- Jan 23, 2025$2182.00
- Jan 23, 2025$426.00
- Jan 23, 2025$2091.00
- Jan 23, 2025$404.00
- Jan 23, 2025$2069.00
- Jan 23, 2025$408.00
- Jan 21, 2025$420.00
- Jan 21, 2025$806.00
- Jan 21, 2025$399.00
- Jan 21, 2025$815.00
- Jan 21, 2025$850.00
- Jan 21, 2025$403.00
- Jan 20, 2025$2209.00
- Jan 20, 2025$2117.00
- Jan 20, 2025$426.00
- Jan 20, 2025$2094.00
- Jan 20, 2025$2292.00
- Jan 20, 2025$404.00
- Jan 20, 2025$408.00
- Jan 18, 2025$993.00
- Jan 18, 2025$612.00
- Jan 18, 2025$663.00
- Jan 18, 2025$907.00
- Jan 18, 2025$1709.00
- Jan 18, 2025$917.00
- Jan 18, 2025$1783.00
- Jan 18, 2025$1850.00
- Jan 18, 2025$1691.00
- Jan 18, 2025$957.00
- Jan 18, 2025$606.00
- Jan 18, 2025$639.00
- Jan 17, 2025$1657.00
- Jan 17, 2025$1514.00
- Jan 17, 2025$1530.00
- Jan 17, 2025$1597.00
- Jan 16, 2025$4966.00
- Jan 16, 2025$200.00
- Jan 16, 2025$4585.00
- Jan 16, 2025$202.00
- Jan 16, 2025$4784.00
- Jan 16, 2025$211.00
- Jan 16, 2025$4537.00
- Jan 16, 2025$219.00
- Jan 11, 2025$426.00
- Jan 11, 2025$442.00
- Jan 11, 2025$404.00
- Jan 11, 2025$408.00
- Jan 9, 2025$1426.00
- Jan 9, 2025$1317.00
- Jan 9, 2025$1374.00
- Jan 9, 2025$1303.00
- Jan 7, 2025$352.00
- Jan 7, 2025$322.00
- Jan 7, 2025$325.00
- Jan 7, 2025$1509.00
- Jan 7, 2025$1652.00
- Jan 7, 2025$340.00
- Jan 7, 2025$1525.00
- Jan 7, 2025$1591.00
- Jan 6, 2025$545.00
- Jan 6, 2025$994.00
- Jan 6, 2025$551.00
- Jan 6, 2025$638.00
- Jan 6, 2025$908.00
- Jan 6, 2025$690.00
- Jan 6, 2025$596.00
- Jan 6, 2025$918.00
- Jan 6, 2025$631.00
- Jan 6, 2025$665.00
- Jan 6, 2025$958.00
- Jan 6, 2025$575.00
- Jan 5, 2025$32.00
- Jan 5, 2025$33.00
- Jan 5, 2025$30.00
- Jan 5, 2025$31.00
- Jan 4, 2025$580.00
- Jan 4, 2025$14879.00
- Jan 4, 2025$559.00
- Jan 4, 2025$530.00
- Jan 4, 2025$15444.00
- Jan 4, 2025$14260.00
- Jan 4, 2025$536.00
- Jan 4, 2025$14111.00
- Jan 3, 2025$2980.00
- Jan 3, 2025$2856.00
- Jan 3, 2025$2826.00
- Jan 3, 2025$335.00
- Jan 3, 2025$3093.00
- Jan 1, 2025$1873.00
- Jan 1, 2025$1804.00
- Jan 1, 2025$1729.00
- Jan 1, 2025$1711.00
- Dec 31, 2024$1632.00
- Dec 31, 2024$902.00
- Dec 31, 2024$1703.00
- Dec 31, 2024$1768.00
- Dec 31, 2024$1615.00
- Dec 31, 2024$912.00
- Dec 31, 2024$952.00
- Dec 31, 2024$988.00
- Dec 30, 2024$641.00
- Dec 30, 2024$2375.00
- Dec 30, 2024$585.00
- Dec 30, 2024$617.00
- Dec 30, 2024$495.00
- Dec 30, 2024$2288.00
- Dec 30, 2024$2170.00
- Dec 30, 2024$541.00
- Dec 29, 2024$2098.00
- Dec 29, 2024$1917.00
- Dec 29, 2024$2021.00
- Dec 28, 2024$706.00
- Dec 28, 2024$772.00
- Dec 28, 2024$2021.00
- Dec 28, 2024$744.00
- Dec 28, 2024$2098.00
- Dec 28, 2024$1435.00
- Dec 28, 2024$1917.00
- Dec 27, 2024$160.00
- Dec 27, 2024$1346.00
- Dec 27, 2024$166.00
- Dec 27, 2024$1096.00
- Dec 27, 2024$718.00
- Dec 27, 2024$1040.00
- Dec 27, 2024$656.00
- Dec 27, 2024$1138.00
- Dec 27, 2024$692.00
- Dec 27, 2024$1397.00
- Dec 27, 2024$151.00
- Dec 27, 2024$1277.00
- Dec 24, 2024$552.00
- Dec 24, 2024$393.00
- Dec 24, 2024$430.00
- Dec 24, 2024$532.00
- Dec 24, 2024$505.00
- Dec 24, 2024$414.00
- Dec 22, 2024$353.00
- Dec 22, 2024$550.00
- Dec 22, 2024$367.00
- Dec 22, 2024$335.00
- Dec 22, 2024$530.00
- Dec 22, 2024$883.00
- Dec 22, 2024$503.00
- Dec 21, 2024$652.00
- Dec 21, 2024$628.00
- Dec 21, 2024$596.00
- Dec 19, 2024$161.00
- Dec 19, 2024$376.00
- Dec 19, 2024$167.00
- Dec 19, 2024$424.00
- Dec 19, 2024$362.00
- Dec 19, 2024$402.00
- Dec 19, 2024$343.00
- Dec 19, 2024$440.00
- Dec 19, 2024$153.00
- Dec 17, 2024$453.00
- Dec 17, 2024$1514.00
- Dec 17, 2024$496.00
- Dec 17, 2024$1657.00
- Dec 17, 2024$1597.00
- Dec 17, 2024$478.00
- Dec 16, 2024$1702.00
- Dec 16, 2024$1766.00
- Dec 16, 2024$298.00
- Dec 16, 2024$1614.00
- Dec 16, 2024$309.00
- Dec 16, 2024$283.00
- Dec 15, 2024$442.00
- Dec 15, 2024$426.00
- Dec 15, 2024$404.00
- Dec 14, 2024$3686.00
- Dec 14, 2024$3496.00
- Dec 14, 2024$1513.00
- Dec 14, 2024$522.00
- Dec 14, 2024$495.00
- Dec 14, 2024$3826.00
- Dec 14, 2024$1656.00
- Dec 14, 2024$1595.00
- Dec 14, 2024$541.00
- Dec 13, 2024$674.00
- Dec 13, 2024$454.00
- Dec 13, 2024$806.00
- Dec 13, 2024$616.00
- Dec 13, 2024$649.00
- Dec 13, 2024$479.00
- Dec 13, 2024$497.00
- Dec 13, 2024$850.00
- Dec 13, 2024$883.00
- Dec 13, 2024$663.00
- Dec 13, 2024$606.00
- Dec 13, 2024$639.00
- Dec 11, 2024$224.00
- Dec 11, 2024$236.00
- Dec 11, 2024$245.00
- Dec 9, 2024$2688.00
- Dec 9, 2024$2835.00
- Dec 9, 2024$2942.00
- Dec 8, 2024$531.00
- Dec 8, 2024$551.00
- Dec 7, 2024$1473.00
- Dec 7, 2024$1419.00
- Dec 6, 2024$290.00
- Dec 6, 2024$552.00
- Dec 6, 2024$300.00
- Dec 6, 2024$751.00
- Dec 6, 2024$724.00
- Dec 6, 2024$532.00
- Dec 5, 2024$1473.00
- Dec 5, 2024$1419.00
- Dec 4, 2024$608.00
- Dec 4, 2024$1537.00
- Dec 4, 2024$585.00
- Dec 4, 2024$266.00
- Dec 4, 2024$497.00
- Dec 4, 2024$850.00
- Dec 4, 2024$883.00
- Dec 4, 2024$276.00
- Dec 4, 2024$1596.00
- Dec 4, 2024$479.00
- Dec 2, 2024$1656.00
- Dec 2, 2024$531.00
- Dec 2, 2024$1718.00
- Dec 2, 2024$551.00
- Nov 30, 2024$993.00
- Nov 30, 2024$957.00
- Nov 29, 2024$1224.00
- Nov 29, 2024$234.00
- Nov 29, 2024$1836.00
- Nov 29, 2024$497.00
- Nov 29, 2024$1906.00
- Nov 29, 2024$243.00
- Nov 29, 2024$1270.00
- Nov 29, 2024$479.00
- Nov 28, 2024$2990.00
- Nov 28, 2024$3103.00
- Nov 27, 2024$657.00
- Nov 27, 2024$633.00
- Nov 26, 2024$313.00
- Nov 26, 2024$301.00
- Nov 25, 2024$696.00
- Nov 25, 2024$670.00
- Nov 24, 2024$531.00
- Nov 24, 2024$551.00
- Nov 23, 2024$436.00
- Nov 23, 2024$420.00
- Nov 23, 2024$468.00
- Nov 23, 2024$486.00
- Nov 22, 2024$1063.00
- Nov 22, 2024$937.00
- Nov 22, 2024$972.00
- Nov 22, 2024$1104.00
- Nov 22, 2024$663.00
- Nov 22, 2024$639.00
- Nov 21, 2024$312.00
- Nov 21, 2024$331.00
- Nov 21, 2024$324.00
- Nov 21, 2024$319.00
- Nov 20, 2024$426.00
- Nov 20, 2024$442.00
- Nov 19, 2024$1063.00
- Nov 19, 2024$11.00
- Nov 19, 2024$1804.00
- Nov 19, 2024$1104.00
- Nov 19, 2024$1873.00
- Nov 19, 2024$1555.00
- Nov 19, 2024$1498.00
- Nov 18, 2024$600.00
- Nov 18, 2024$586.00
- Nov 17, 2024$829.00
- Nov 17, 2024$798.00
- Nov 15, 2024$761.00
- Nov 15, 2024$733.00
- Nov 13, 2024$1657.00
- Nov 13, 2024$539.00
- Nov 12, 2024$1160.00
- Nov 12, 2024$2639.00
- Nov 11, 2024$330.00
- Nov 11, 2024$619.00
- Nov 11, 2024$3889.00
- Nov 11, 2024$690.00
- Nov 11, 2024$3069.00
- Nov 10, 2024$563.00
- Nov 10, 2024$1215.00
- Nov 9, 2024$441.00
- Nov 8, 2024$682.00
- Nov 7, 2024$453.00
- Nov 7, 2024$751.00
- Nov 6, 2024$387.00
- Nov 5, 2024$1602.00
- Nov 5, 2024$387.00
- Nov 5, 2024$2374.00
- Nov 4, 2024$707.00
- Nov 4, 2024$486.00
- Nov 2, 2024$1657.00
- Oct 31, 2024$550.00
- Oct 30, 2024$994.00
- Oct 29, 2024$3021.00
- Oct 29, 2024$718.00
- Oct 29, 2024$657.00
- Oct 29, 2024$436.00
- Oct 29, 2024$287.00
- Oct 28, 2024$3309.00
- Oct 27, 2024$386.00
- Oct 27, 2024$387.00
- Oct 27, 2024$1326.00
- Oct 25, 2024$1160.00
- Oct 25, 2024$718.00
- Oct 23, 2024$1049.00
- Oct 22, 2024$552.00
- Sep 22, 2024$409.00
- Aug 19, 2024$258.00
- Aug 19, 2024$260.00
- Aug 19, 2024$262.00
- Aug 19, 2024$264.00
- Aug 19, 2024$265.00
- Aug 19, 2024$266.00
- Aug 19, 2024$250.00
- Aug 19, 2024$251.00
- Aug 19, 2024$253.00
- Aug 18, 2024$666.00
- Aug 18, 2024$702.00
- Aug 12, 2024$1443.00
- Aug 4, 2024$1384.00
- Jul 13, 2024$373.00
- Jul 2, 2024$318.00
- Jun 11, 2024$441.00
- Mar 31, 2024$837.00
Auctions (21)
- Aug 3, 2025High: $760.00 / Low: $306.00
- Jul 3, 2025High: $760.00 / Low: $399.00
- Jun 10, 2025High: $399.00 / Low: $399.00
- May 16, 2025High: $399.00 / Low: $399.00
- Apr 24, 2025High: $399.00 / Low: $399.00
- Mar 31, 2025High: $899.00 / Low: $225.00
- Mar 9, 2025High: $899.00 / Low: $151.50
- Feb 13, 2025High: $899.00 / Low: $150.00
- Jan 20, 2025High: $950.00 / Low: $150.00
- Nov 8, 2024High: $258.00 / Low: $258.00
- Nov 1, 2024High: $258.00 / Low: $258.00
- Oct 25, 2024High: $258.00 / Low: $258.00
- Oct 18, 2024High: $258.00 / Low: $258.00
- Oct 11, 2024High: $258.00 / Low: $258.00
- Oct 4, 2024High: $258.00 / Low: $258.00
- Sep 27, 2024High: $258.00 / Low: $258.00
- Sep 20, 2024High: $258.00 / Low: $258.00
- Sep 13, 2024High: $258.00 / Low: $258.00
- Sep 6, 2024High: $258.00 / Low: $258.00
- Aug 30, 2024High: $258.00 / Low: $258.00
- Aug 21, 2024High: $258.00 / Low: $258.00
What is the Leica Summicron-R 50mm f/2.0 v.1?
Leica Summicron-R 50mm f/2.0 v.1 is a camera lens with 50mm focal length, a maximum aperture of f/2/16, for the Leica R mount, supporting the Full frame format, weighing 290g.
Prices and availability are sourced from eBay sold listings and live auctions at request time.
eBay Auctions
No active auctions found.
Technical Specifications
Similar Lenses
Reviews
I Love Leica Lenses The sharpest Leica R Mount lens ever produced.
good lens This lens arrived with no scratches, hazing, and very minimal dust. Truly pristine.
Nice Lens Very nice quality
Frequently Asked Questions
What is the Leica Summicron-R 50mm f/2.0 v.1?
Leica Summicron-R 50mm f/2.0 v.1 is a camera lens with 50mm focal length, a maximum aperture of f/2/16, for the Leica R mount, supporting the Full frame format, weighing 290g.
What mount is the Leica Summicron-R 50mm f/2.0 v.1 compatible with?
Leica Summicron-R 50mm f/2.0 v.1 uses a Leica R mount and supports the Full frame format.
How much does the Leica Summicron-R 50mm f/2.0 v.1 cost?
Based on recent eBay sold listings the Leica Summicron-R 50mm f/2.0 v.1 typically sells for around $11.00. Actual prices vary with condition and seller.
Is the Leica Summicron-R 50mm f/2.0 v.1 a good lens?
Leica Summicron-R 50mm f/2.0 v.1 has a community rating of 4.7/5 from 7 review(s).
Which lenses are similar to the Leica Summicron-R 50mm f/2.0 v.1?
Similar lenses include Leica Macro-Elmarit-R 60mm f/2.8, Leica Summicron-R 50mm f/2.0 E55, Leica Summilux-R 50mm f/1.4.