Cheap m42 adapter canon, Buy Quality m42 jacket directly from China m42 Suppliers: M42 to M42 Mount 35mm-90mm 35-90mm Lens Adjustable Focusing Helicoid Adapter
M42 to M42 Mount Lens Adjustable Focusing Helicoid Macro Tube Adapter - 35mm to 90mm The all-metal adapter is designed to fit the lens securely, yet can still be removed easily when not needed. Introduction:This tube useful for lens without focusing ring. And it can be use as macro extension tube. There is no electronic element in the adapter. aperture and focusing must be manually control. Feature:Made of Anodized Aluminum in Black finish with high quality.The length of this Helicoid tube is 35mm (min) to 90mm (max),it offers a total of 55mm movement distance for the lens focusing.You can use M42 screw mount lenses, such as Carl Zeiss or Pentax 42mm screw mount lenses, and even enlarger lenses.This Helicoid tube is useful for those lenses without focus ring,Tube offers fine focus control for macro photography.This focusing helicoid tube is made with 42mm front mount and standard 42mm rear mount and is made with light-weight alloy.It could be used as Macro Barrel.Automatic dia
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