Is this in anyway possible?

**Tonytee** · 11-23-2014, 02:49 AM

Is it possible to mount a Canon EOS EF 35-80mm lens to my Pentax ZX-30 camera? I can hear the thuds as people are dropping like flies over this question. I do need to know. Many thanks,

Regards,

Tony

Sandy Hancock · 11-23-2014, 02:52 AM

As far as I know, no. The registration distance is wrong. It is possible to use Pentax lenses on Canon bodies with an adaptor, but not the other way around.
There are literally millions of old Pentax lenses which will work fine on your ZX-30, and many of them can be found very cheaply.

**Kerrowdown** · 11-23-2014, 03:07 AM

Originally posted by Sandy Hancock

As far as I know, no

+1, I also believe it's not possible this way round, but Pentax lens onto Canon is, with either adaptor or lens mutilation, but we don't talk here about the latter here.

**Tonytee** · 11-23-2014, 03:38 AM

Thank you very much for your info. I know that Canon is a four letter word on this site.

.

bye,

Tonytee

VisualDarkness · 11-23-2014, 03:56 AM

No, we are outside that Canikon war.

JohnX · 11-23-2014, 03:56 AM

Originally posted by tonytee

i know that canon is a four letter word on this site.

.

Bye,

tonytee

5

**PJ1** · 11-23-2014, 04:06 AM

As above, it cannot be done. The registration distance for the K mount is 45.46 mm. For the Canon EOS mount it is 44 mm. So it is not a matter of adapting the mount (even if it was possible) because the rear of the lens would be inside the camera body and could foul the mirror. (Don't ask 'What about the K-01?'

) Olympus OM and Nikon F mounts have a longer registration distance than the K mount so conversion is possible even if it is not necessarily practical. If you just have the Canon lens and want to use it for sentimental reasons, I believe there are adapters which insert another piece of glass between the lens and the camera body. But I think you could expect some image degradation.

max_pyne · 11-23-2014, 05:03 AM

you can, but just for macro work with a reverse adapter..:-)

ZombieArmy · 11-23-2014, 05:31 AM

Originally posted by PJ1

As above, it cannot be done. The registration distance for the K mount is 45.46 mm. For the Canon EOS mount it is 44 mm. So it is not a matter of adapting the mount (even if it was possible) because the rear of the lens would be inside the camera body and could foul the mirror. (Don't ask 'What about the K-01?'

) Olympus OM and Nikon F mounts have a longer registration distance than the K mount so conversion is possible even if it is not necessarily practical. If you just have the Canon lens and want to use it for sentimental reasons, I believe there are adapters which insert another piece of glass between the lens and the camera body. But I think you could expect some image degradation.

What about the k-01?

VisualDarkness · 11-23-2014, 05:34 AM

Add to it that the Canon EF mount is larger when it comes to the diameter, so can't even get it through the K-mount. Canon use a huge mount!

**interested_observer** · 11-23-2014, 08:13 AM

Here is a site with a table of registration distances. You can generally use one makes lens (longer registration distance) on another (shorter registration distance) makes body.

Camera Mounts Sorted by Register

Since Canon has the shortest registration distance, they can use just about anyone's lenses - but not the other way around.

micromacro · 11-23-2014, 08:29 AM

The first thing which comes to mind

You Tube

11-23-2014, 02:49 AM	#1
Tonytee Loyal Site Supporter Join Date: Jul 2012 Photos: Gallery \| Albums Posts: 21,502	Is this in anyway possible? Is it possible to mount a Canon EOS EF 35-80mm lens to my Pentax ZX-30 camera? I can hear the thuds as people are dropping like flies over this question. I do need to know. Many thanks, Regards, Tony

11-23-2014, 08:13 AM	#11
interested_observer Loyal Site Supporter Join Date: Jun 2009 Location: Tumbleweed, Arizona Photos: Gallery \| Albums Posts: 5,707	Here is a site with a table of registration distances. You can generally use one makes lens (longer registration distance) on another (shorter registration distance) makes body. Camera Mounts Sorted by Register Since Canon has the shortest registration distance, they can use just about anyone's lenses - but not the other way around.

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11-23-2014, 02:52 AM	#2
Sandy Hancock Moderator Site Supporter Join Date: Feb 2012 Location: Adelaide Hills, South Australia Photos: Gallery \| Albums Posts: 11,275	As far as I know, no. The registration distance is wrong. It is possible to use Pentax lenses on Canon bodies with an adaptor, but not the other way around. There are literally millions of old Pentax lenses which will work fine on your ZX-30, and many of them can be found very cheaply.

11-23-2014, 03:07 AM	#3
Kerrowdown PEG Moderator Join Date: Aug 2008 Location: Highlands of Scotland... "Hold Infinity in the palm of your hand" - William Blake Photos: Gallery Posts: 57,833	Originally posted by Sandy Hancock As far as I know, no +1, I also believe it's not possible this way round, but Pentax lens onto Canon is, with either adaptor or lens mutilation, but we don't talk here about the latter here.

11-23-2014, 03:38 AM	#4
Tonytee Loyal Site Supporter Join Date: Jul 2012 Photos: Gallery \| Albums Posts: 21,502 Original Poster	Thank you very much for your info. I know that Canon is a four letter word on this site. . bye, Tonytee

11-23-2014, 03:56 AM	#5
VisualDarkness Veteran Member Join Date: Nov 2011 Location: Uppsala, Sweden Photos: Gallery Posts: 4,439	No, we are outside that Canikon war.

11-23-2014, 03:56 AM	#6
JohnX Pentaxian Join Date: Jul 2009 Location: London Posts: 1,116	Originally posted by tonytee i know that canon is a four letter word on this site. . Bye, tonytee 5

11-23-2014, 04:06 AM	#7
PJ1 Loyal Site Supporter Join Date: Jul 2012 Location: Toowoomba, Australia Photos: Gallery \| Albums Posts: 5,485	As above, it cannot be done. The registration distance for the K mount is 45.46 mm. For the Canon EOS mount it is 44 mm. So it is not a matter of adapting the mount (even if it was possible) because the rear of the lens would be inside the camera body and could foul the mirror. (Don't ask 'What about the K-01?' ) Olympus OM and Nikon F mounts have a longer registration distance than the K mount so conversion is possible even if it is not necessarily practical. If you just have the Canon lens and want to use it for sentimental reasons, I believe there are adapters which insert another piece of glass between the lens and the camera body. But I think you could expect some image degradation.

11-23-2014, 05:03 AM	#8
max_pyne Pentaxian Join Date: Aug 2010 Location: zurich Photos: Gallery \| Albums Posts: 409	you can, but just for macro work with a reverse adapter..:-)

11-23-2014, 05:31 AM	#9
ZombieArmy Pentaxian Join Date: Jun 2014 Location: Florida Posts: 3,210	Originally posted by PJ1 As above, it cannot be done. The registration distance for the K mount is 45.46 mm. For the Canon EOS mount it is 44 mm. So it is not a matter of adapting the mount (even if it was possible) because the rear of the lens would be inside the camera body and could foul the mirror. (Don't ask 'What about the K-01?' ) Olympus OM and Nikon F mounts have a longer registration distance than the K mount so conversion is possible even if it is not necessarily practical. If you just have the Canon lens and want to use it for sentimental reasons, I believe there are adapters which insert another piece of glass between the lens and the camera body. But I think you could expect some image degradation. What about the k-01?

11-23-2014, 05:34 AM	#10
VisualDarkness Veteran Member Join Date: Nov 2011 Location: Uppsala, Sweden Photos: Gallery Posts: 4,439	Add to it that the Canon EF mount is larger when it comes to the diameter, so can't even get it through the K-mount. Canon use a huge mount!