canon eos 5d lenses

RainbowImaging 39mm M39 to M42 lens Focusing Helicoid Adapter 17mm - 31mm (M)

Product Description

Focusing Helicoid for enlarge lens, some of them are Leica 39mm / M39 / L39 mount. You may need an additional 39mm-42mm adapter if you want to use 39mm enlarge lens with the Helicoid tube. You may need M42 - Canon / M42 - Pentax / M42 - Sony / M42 - Nikon / M42 - 4/3 / M42 - NEX / M42 - M4/3 / M42 - NX adapters when you need to connect this adapter to correspondent DSLRS.

Product Details

• Brand: Rainbowimaging
• Model: FocusingHelicoidM39M421731mm
• Dimensions: 1.57" h x .79" w x 1.57" l, .19 pounds

Features

• This focusing Helicoid tube is made with M39 39MM (Leica Thread Mount) mount and is made with light-weight alloy and 42mm M42 Mount.
• It is useful for those lenses without focus ring. It could be used as Macro barrel, and offers fine focus control for macro photography.
• The length of this Helicoid tube 17mm (min) to 31mm (max), it offers a total of 14mm movement distance for lens focusing.
• User can use it with M42 screw mount lenses, such as Carl Zeiss, and even enlarger lenses.
• Very useful for enlarge lens, some of them are Leica 39mm / M39 / L39 mount. You may need an additional 39mm-42mm adapter if you want to use 39mm enlarge lens with the Helicoid tube.

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