[sheepsheep1012]

小弟因為想buy filter for my Leica lens 用，但吾G什麼size ?i found it out http://tw.myblog.yahoo.com/real-self/article?mid=1433Leica 50mm version 2 ，R mount 好似糸55mm size but not sure   any c hing know version 1 using what size of filter thanks

[Terence-Tam]

Leica 50-1.4 version 1 had different model and it will using different size of UV protect filter. Since you haven't mentioned which model you got, so, I listed out all as below:

11343E55
11777 Y Y Y Y 1986-1997 1st 3291801 7 6 F1.4-F16 50mm 45ｰ NO NO 50 cm E55 or S7
11776 Y Y Y Y 1978-1986 1st 2899801 7 6 F1.4-F16 50mm 45ｰ NO NO 50cm E55
11875 Y Y Y Y 1969-1978 1st 2411021-2806500 7 6 F1.4-F16 50mm 45ｰ NO NO 50 cm Series 7

[Terence-Tam]

Leica 50-1.4 version 1 had different model and it will using different size of UV protect filter. Since you haven't mentioned which model you got, so, I listed out all as below:

Model Filter
11343 --> E55
11777 --> E55 or S7
11776 --> E55
11875 --> S7