








🔗 Unlock your lens legacy with seamless Sony synergy!
The Fotasy NAPK Pro adapter enables Pentax PK/K mount lenses to be used on Sony E-Mount mirrorless cameras, preserving infinity focus without recalibration. Its lightweight, durable design offers smooth, secure mounting compatible with a broad range of Sony NEX and Alpha models. Manual focus and exposure control are required, making it ideal for photographers who value precision and versatility in their creative toolkit.



| ASIN | B003X19WZC |
| Aperture Modes | Manual |
| Brand | Fotasy |
| Camera Lens | This adapter allows a Pentax K PK lens to fit on Sony E-Mount / FE-Mount Mirrorless Cameras. Infinity remains unchanged, so the does not need be re-collimated or shimmed. When using with adapter, camera body should set either manual exposure aperture priority mode. There is no electrical contact in ring, and focus have adjusted manually. Automatic diaphragm, auto-focusing, any other functions will… |
| Colour | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,412) |
| Date First Available | 6 July 2011 |
| Focus type | Manual Focus |
| Guaranteed software updates until | unknown |
| Included components | PK Lens to Sony E-Mount Adapter, |
| Item model number | NAPK |
| Lens Design | Prime |
| Lens Fixed Focal Length | 50 Millimetres |
| Max Focal Length | 50 Millimeters |
| Min Focal Length | 1.5 Millimeters |
| Package Dimensions L x W x H | 7.1 x 7 x 3.7 centimetres |
| Package Weight | 0.1 Kilograms |
| Part number | 691959746974 |
| Product Dimensions L x W x H | 7.6 x 7.6 x 5.1 centimetres |
| Size | Pentax PK- E-Mount |
| Style | Pentax PK |
| Water Resistance Level | Not Water Resistant |
| Zoom Type | Digital Zoom |
K**R
Good quality lens adapter
Fits perfectly. Does the job.
S**E
great value
simple 'dumb' converter. Fits tightly and works well
H**H
Sony Conversion fitting
It did the job, fully satisfied.
G**Z
Me encanto el producto porque esta a muy buen precio y de muy buena calidad, funciona super bien, actualmente lo uso con unos lentes que tenia mi papa y funciona super bien, no queda flojo ni mucho menos , lo recomiendo plenamente
S**U
Better save money and buy a full kit than this cheap quality product. Footpath quality
M**S
I have an M42 mount Helios 44M-4. I was able to mount it using this adapter on my Sony A6000. Good Sturdy built quality. Bought if from iBhejo Seller for Rs 1,476 - ships from US, so it took more than 10 days to reach me. Overall very satisfied for the Price paid.
K**.
Works perfectly. Great product.
A**H
Nice adaptor for such price. Can't expect it to catch with the auto focus system of Sony. But in manual mode gets the work done
Trustpilot
1 week ago
3 days ago