Koogeelife M42‑AI Lens Adapter: Alloy construction
Available Options

Ever wanted to give those classic M42 screw lenses a new lease on life on your AI mount camera? The M42‑AI Lens Adapter is your ticket to making that happen—no fuss, no drama. It's like the universal translator for your camera gear, but instead of alien languages, it speaks fluent lens compatibility. Built tough with durable alloy and topped off with high-quality optical glass, this little marvel ensures your photos stay sharp and your setup stays secure.
Why you'll love it:
- Breathes new life into your M42 lenses by letting them play nice with AI mount cameras.
- Durable? You bet. This adapter's alloy construction means it's in it for the long haul.
- And thanks to that high-quality optical glass, your images will be as clear as your excitement when you first got into photography.
- Optical glass
- M42 screw lens compatibility
- AI mount camera body compatibility
- Alloy construction
General specs
- Brand: Koogeelife
- Model: M42‑AI
- Seller: Joom
- Material: Alloy
- Lens Compatibility: M42 screw lens
- Camera Mount Compatibility: AI mount
- Optical Glass: Yes
- First listed by seller: 6/19/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
This item | Recommendations | |||||
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![]() Koogeelife M42‑AI Alloy construction
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![]() SUNSKY M42-AI Silver Metal construction
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![]() Fishine Drone MCUV Compatible with AVATA 2
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Brand | Koogeelife | SUNSKY | Kenko | Kenko | Kenko | Fishine |
Model | M42‑AI | M42-AI | Variable NDX II | Variable NDX II | Variable NDX II | Drone MCUV |
Color |
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Rating |
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Price | $19.14 | $11.74 | $70.17 | $74.24 | $88.60 | $34.60 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 30, 2025 | August 8, 2025 | August 31, 2025 | August 31, 2025 | August 31, 2025 | August 30, 2025 |
Material | Alloy | Metal | Optical glass | |||
Density Range | ND3~32 | ND3~32 | ND3~32 | |||
Coating | Repellent | Repellent | Repellent |
Reviews
Grace L.
San Jose, CA
June 22, 2025
as someone who's not super tech-savvy, i was cautious about buying this adapter. i expected it to be complicated, but assembly is a breeze—it just screws on easily. the reality is that it does exactly what it promises: lets me use my vintage lenses on my camera without any issues. the image quality is great, and it feels secure, though the weight is something to get used to. overall, it's a fantastic little tool that brings new life to my old gear, and i'm really pleased with how it performs for my photography needs.
- Pros: i was so happy that this adapter made it easy to connect my old lenses to my newer camera without any hassle. the build feels really solid and durable, like it's going to last a long time. the images come out sharp and clear, just as i hoped, which is perfect for capturing memories at concerts or family events.