M42 to M39 12mm-19mm Adjustable Focus Helicoid Adapter Macro Mount Tube Ring for M39 Mount Cameras and M42 Mount Lenses
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Specifications
- Brand Name
- NONE
- High-concerned chemical
- None
- Origin
- Mainland China
- Model Number
- C03174
- Compatible Brand
- Canon
- Focus Type
- Auto Focus
- Lens Adapters Type
- Lens Adapters
- Video Auto Focus
- No
Product Description
Package Included:
1 x M42-M39 12-19mm Focus Adjustable Helicoid Adapter
Product Description:
This focusing Helicoid tube is made with standard M42 mount and M39 Mount. This adapter made with Copper core, high quality and stable.
The length of this Helicoid tube 12mm (min) to 19mm (max).
Independent product assembly, There will be 1 to 2mm deviation.
This Helicoid tube is useful for those lenses without focus ring, It could be used as Macro barrel and offers fine focus control for macro photography.
Made of Anodized Aluminum in Black finish with high quality.
It will be better when you use it with filter adapter together.
Warranty: 1 Year
Install:
Firstly attach your M42 lens to this tube. then attach the lens and helicoid tube together to your M42 camera.
Suitable For:
Lens:
M42 mount lenses
Cameras:
M39 mount cameras
Pros & Cons
Pros
- Durable copper core construction for long-lasting stable performance
- Adjustable focus range from 12mm to 19mm for flexible macro shot framing
- Compatible with both M42 lenses and M39 mount cameras, plus Canon brand systems
Cons
- Does not support video auto focus despite listed auto focus focus type
- No alternative color or design options available
- No additional mounting accessories included beyond the adapter itself
- No shipping or return details provided in the product listing
Common Questions
What is the internal core material of this M42 to M39 adapter?
The adapter features a copper core, which delivers high quality and stable performance.
What is the adjustable focus length range of this helicoid tube?
The adapter's length ranges from a minimum of 12mm up to a maximum of 19mm.
Which camera and lens mounts is this adapter compatible with?
It is designed for M39 mount cameras and M42 mount lenses, and is listed as compatible with Canon brand cameras per product specs.
What is the primary use of this adapter?
This is a macro mount tube ring used to adjust focus between compatible M42 lenses and M39 mount cameras for macro photography.
What is included in the standard package for this adapter?
The package includes 1 x M42-M39 12-19mm focus adjustable helicoid adapter.
Product information last updated on December 5, 2025