Make use of select M42-mount lenses on your Pentax Q-mount camera with this Lens Mount Adapter from FotodioX. Precision-crafted out of hardened anodized aluminum, the adapter provides a secure and solid camera-to-lens connection. Additionally, it supports focusing to infinity.

M42-Mount Lens to Pentax Q Camera    Supports Infinity Focus    Anodized-Aluminum Construction

If your M42-mount lens has no aperture pin, tabs, or levers; or if it has an aperture pin that does not fully depress (small tabs stick out), it is considered a type-1 lens and this V1 lens mount adapter is compatible with it.

However, if the aperture pin of your M42-mount lens depresses all the way down, your lens is considered type 2 and is compatible with V2 adapters (available separately).

Related Questions and Answers

Q: 1. Is the Fotodiox Version 2 compatible with Zeiss Jena Flektogon 35 2.4?

A: Technically the FotodioX Mount Adapter for M42 Type 2 Lens to Fujifilm X-Mount Camera should work with most M42 mount lenses. But it has not been specifically tested with the Zeiss Jena Flektogon 35 2.4 lens

Q: 2. Is this compatible with Takumar Super Multi Coat 150mm f/4?

A: Possibly, If the aperture pin of your M42-mount lens depresses all the way down, your lens is considered type 2 and this V2 lens mount adapter is compatible with it. However, if your M42-mount lens has no aperture pin, tabs, or levers; or if it has an aperture pin that does not fully depress (small tabs stick out), it is considered a type-1 lens and is compatible with V1 adapters (available separately).

Q: 3. compatible w meteor 17-69 1.9 ???

A: Yes, this adapter is compatible with the Meteor 17-69mm lens.

Q: 4. Will this adapter allows the Helios 44M 58mm f/2 focus at the infinity?

A: Yes, this adapter supports infinity focus.

Q: 5. Hello, is this adaptador compatible with a Pentacon 50mm f/ 1.8 to mounted on a Fuji XT-1? Or should I use the other type (1) of adaptador?

A: This adapter can work with a Pentacon 50mm f/1.8 lens being that it has an M42 mount.

Q: 6. Will this adapter work on a full frame Sony Camera ?

A: This adapter will work from M42 mount to Sony E mount camera bodies yes.

Q: 7. Does anyone know how to remove this adapter from a Zenit Helios 44m-4? My lens is locked on and will not unscrew.

A: The adapter for the M42 side does not lock. So your best option is if it is frozen on the lens to send it to a repair shop to see if they can get it off. It could be that when you threaded that lens it skewed a little.

Q: 8. I have a fujinon 35mm f2.8 EBC, will that adapter allow for the open aperture metering notch in this lens?

A: A Type 2 adapter has the necessary shelf for the aperture pin to press against and activate. While there is not a type 2 version of this adapter available, there is a separate retention ring (https://www.bhphotovideo.com/c/product/1677782-REG)you can get that will convert a type 1 adapter into a type 2 adapter for your needs. Hope this helps, if there is anything else we can do please let us know. Thanks and happy shooting!

Q: 9. Hi there I'm very confused between this one and the one which not mentioned about type (FotodioX M42 Lens to Sony E-Mount Camera Pro Lens Mount Adapter) I have Sony A7iii and Helios 44-2 58mm Which one do I have to buy???

A: This adapter takes M42 screw mount , if your lens is that it will work

Q: 10. will this adaptor will work with "HELIOS 44-2 2/58 USSR Russian Lens M42 mount Zenit (793)": ?? on Fuji X mount camera ?

A: The FotodioX Mount Adapter for M42 Type 2 Lens to Fujifilm X-Mount Camera (B&H# FOM42FXRFV2) may be used with an unmodified (i.e., M42 mount) Helios 44-2 M42 58mm f/2 with Fujifilm X-mount cameras as a fully manual lens.