Recommendation: It is best to test out the focus prior to buying so that you will assess the degree of focus shift issue and keep in mind if the lens is either front-focused or back-focused so that you can adjust the focus manually for compensation.Focusing can be challenging due to the issues caused by the Focus Shift, which is common for the Leica 75mm F1.4 Summilux lens.That big chuck of front glass element sucks in all the available light and the built-in hood comes in handy when encounter strong sunlight, which helps to reduce flare problems and this lens can be prone to flare issues.The build quality is phenomenal and it is nothing short of the best Leica Standard, whether manufactured in Germany or Canada, the quality is second to none.Wide Angle Lens (21mm/28mm or even the 15mm made by Zeiss reviewed here) The вЂњHoly TrinityвЂќ Combination for most Leica Photographers would be:ДЎ. When stopped down, the aperture past f1.4 then the sharpness increases significantly with minimal vigenetting.It offers the Classic rendering combined with soft glows wide open which is perfect for portraiture work.вЂњDreamyвЂќ or soft rendering when shooting wide-open at f1.1.Significantly smaller in comparison to other fast lenses such as the Leica Noctilux or the Canon вЂњDream LensвЂќ.The lens is light in weight, as it weighs 190 grams alone and 220grams with the hood attached.Solid built with metal lens body and feels substantial in the hands of the photographer.For 55mm filter, note that it is mounted in reverse direction on the outside of lens front, then hood is screwed on the back of the filter. Large Front element taking 55mm filter.Circular Centre 14 blade Iris, causing soft and dreamy effects.Non-Click Stop German-made Iris, resulting smooth aperture turns.Multi-coating of 2 layers on the Tantalum Glass.

50mm summilux serial numbers