Identifying leica lenses book the complete pocket guide. Available to purchase for immediate download. Below is an extract from the manual converted to text for a quick impression on the content. Identifying leica lenses book the complete pocket guideID E N TI FYI N G LEICA The Complete Pocket Guide L to Buying and Selling f Leica Lenses Like an ExpertPreface Max Berek, The Father of Leitz Optics Rarity Grades User's Guide Fixed Lenses Screw-mount Lenses M Series Lenses R Series Lenses American Lenses Stereo Lenses Teleconvcrters Appendix: Which Accessories for Which Lenses Optical Diagrams Serial Numbers Condition Classification Addresses and Bibliography