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Metal M42 Lens Adapter Ring Mount for Canon Nikon Sony Pentax
Price range: $7.20 through $7.27
Pay now, in 4 interest-free payments of $1.80, or over 3–6 months
4 interest-free payments of $1.80
Adapt M42 mount lenses to Canon EOS, Nikon AI, Sony AF, or Pentax PK DSLR cameras.
- Manual focus and aperture control only.
- Made of sturdy metal with a black finish.
- Compatible with various camera brands.
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Estimated Delivery Time3–7 business days
Versatile Lens Compatibility
This metal M42 lens adapter ring enables the use of popular M42 mount lenses from brands like Zeiss, Pentax, Praktica, Mamiya, and Zenit on modern DSLR and film cameras.
Compatible with Canon EOS, Nikon AI, Sony AF, and Pentax PK camera mounts, it provides photographers access to a broad range of vintage and specialty lenses without altering their cameras.
Manual Control Design
The adapter lacks electronic contacts, meaning autofocus and automatic diaphragm control will not function.
Users must set the aperture and focus manually on the lens, making it well-suited for photographers comfortable with manual photography techniques.
- No ROM connection—manual aperture control only
- Supports stop-down metering mode for accurate exposure
Durable Metal Construction
Crafted entirely from metal, this adapter boasts sturdy build quality for long-lasting performance.
Its sleek black finish ensures a professional look and reliable lens mounting.
- Solid metal body, not plastic
- Black color for discreet appearance
Key Specifications
- Compatible mounts: Canon EOS, Nikon AI, Sony AF, Pentax PK
- Material: Metal
- Color: Black
- Focus type: Manual only
- Supports macro rings and accessories
What's in the box
- 1x Metal M42 Lens Adapter Ring Mount
Product FAQ
Frequently asked questions
01 Which lenses can I use with this M42 adapter?
You can use M42 mount lenses such as those from Zeiss, Pentax, Praktica, Mamiya, and Zenit.
02 Which camera brands are compatible with this adapter?
This adapter supports Canon EOS, Nikon AI, Sony AF, and Pentax PK DSLR and film SLR cameras.
03 Will autofocus functions work when using this adapter?
No, autofocus and automatic diaphragm control will not operate with this adapter; manual focus and aperture control are required.
04 Can the aperture be controlled from the camera body with this adapter?
No, the aperture must be set manually on the lens since there is no ROM connection on the adapter.
05 Is the lens compatible physically with the adapter?
Yes, the adapter allows the M42 lenses to physically mount on the compatible cameras.
06 Can I use additional accessories like macro rings with this adapter?
Yes, it is possible to use macro rings and other accessories with this adapter.
07 What materials is the adapter made from?
This adapter is made entirely of metal with a black finish.
08 Does the adapter include any electronic functions?
No, the adapter does not include electronic or auto-focus functions.
09 How should I set exposure when using lenses with this adapter?
You should use manual mode or aperture priority mode on your camera and employ stop-down metering.
10 What is included with the purchase of this adapter?
The package includes one metal M42 lens mount adapter ring matching the ring you choose.
Discussion
4.9
Based on 15 reviews
Fast delivery, quality product, simple packaging.
excellent
Overall, for this price, the quality of workmanship is good - the surfaces are smooth, without any burrs or rough edges. Good matte finish. It fits snugly in the camera, with no noticeable gaps. There are no complaints on this side.
But the thread is cut in such a way that when the lenses (of different types) are fully screwed in, the distance scale index/aperture mark on the lens ends up at the bottom, which makes it almost impossible to use in regular photography. Can be used for certain types of photography where the position of the index finger does not matter - with macro lenses, microscopes, etc.
I lowered the rating for this. We'll have to order an adapter from another manufacturer.
Excellent thin ring. Approximately 1 mm.
