⚙️ Unlock vintage glass with modern precision — manual mastery in your hands!
The K&F Concept M42-NEX IV adapter enables seamless use of classic M42 lenses on Sony E-mount cameras, offering full manual control over focus and exposure. Crafted with high-precision CNC machining and premium materials, it features a non-slip twill knurled design for comfortable handling and broad compatibility across Sony’s Alpha and NEX series.
D**D
Works great with Praktica/Pentacon lenses
The adapter is made with great build quality that matches my Sony A7 camera. I use the adapter for my East Germany lenses from Praktica/Pentacon. Highly recommend for anyone who wants to use vintage lenses with a Sony full frame mirror less cameras.
R**N
Good quality M42 to Sony E mount adapter.
I took a chance on this one. I needed an adapter that fit with the Pentax Super Micro Coated Takumar 50mm f1.4. This fits and allows the aperture ring to turn without interference as many of the adapters do. No lens modification needed. Well built. Nice design and bonus, the Sony orange ring at the base.
S**Z
Robusto y confiable
Me gusto mucho, funciona perfecto con mi lente helios 44m-4 y con mi montura adaptada para telescopios 😁
M**N
Ok, but not amazing.
Needs some sort of threadlocking. When focusing a lens, sometimes it starts unscrewing from the adapter. For faster mounting to the camera, the alignment bump should be colored differently or made more noticeable.
C**E
Solid Adapter - No Complaints
Does exactly what it is supposed to, and has really nice build quality.
T**N
Works perfectly for Sony FX3 and Helios 44-3
Helios 44 series can be finicky lenses to adapt based on when they were made. My lens is a Helios MC 44-3 from 1987. Cheap adapters do not function correctly with this lens. I bought this one, and didn't even need to make adjustments at all. Locks tight onto the lens, no play or wiggle, and allows me to adjust focus with no issues. Not sure if it actually adds any contrast with the interior coating, but it doesn't as I love the photos that it renders. You pay for what you get, don't buy cheap.
C**R
Almost Perfect
Got this for my Helios 44-2 to work with my a7IV, and while the adapter fits perfectly on the camera and looks amazing, the lens itself doesn’t screw on tightly to the adapter. It’s only a slight rattle, and I imagine you’d have to really shake it around and pry at it for it to come off, but my paranoia forces me to constantly hold the lens itself to just guarantee it won’t slip off somehow. Besides this, it does exactly what it needs to do
D**E
Could be nice but not quite
I’ve got five Sony e mount cameras and this mount doesn’t work on any of them without forcing it. The machining is beautiful but that means nothing if the quality control isn’t there to send out a working mount especially for top dollar.
Trustpilot
3 weeks ago
1 week ago
