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PostPosted: Fri Dec 21, 2018 2:27 pm    Post subject: Reply with quote
Sjak wrote:
Yes, that's one of the reasons I may sell it... I have a very clean body, a newlike M-module, 2 small-sensor zooms, EVF, newlike flash.


If you really gonna sell it please contact me. Maybe I'll take a third set. Wink


PostPosted: Fri Dec 21, 2018 3:24 pm    Post subject: Reply with quote
tb_a wrote:


What has the camera mount diameter to do with the functionality of IBIS where the sensor is moving? IMHO this diameter may in the worst case only limit the diameter of the rear optical element of the lens itself.
Maybe somebody is able to explain the relationship betw. mount diameter and IBIS. I would love to learn the theory behind. It sounds a little bit esoteric for me.


Thank you for your post. It is appreciated. And I am always happy to be of service. However, you will need to scroll down until you reach: Claim #3: In-Body Image Stabilization and then begin reading there.

https://petapixel.com/2016/04/04/sonys-full-frame-pro-mirrorless-fatal-mistake/

Hope this answers your question. Wink

Last edited by guardian on Fri Dec 21, 2018 4:13 pm; edited 1 time in total


PostPosted: Fri Dec 21, 2018 3:55 pm    Post subject: Reply with quote
guardian wrote:
tb_a wrote:


What has the camera mount diameter to do with the functionality of IBIS where the sensor is moving? IMHO this diameter may in the worst case only limit the diameter of the rear optical element of the lens itself.
Maybe somebody is able to explain the relationship betw. mount diameter and IBIS. I would love to learn the theory behind. It sounds a little bit esoteric for me.


Thank you for your post. It is appreciated. And I am always happy to be of service. However, you will need to scroll down until you reach: Claim #3: In-Body Image Stabilization and then begin reading there.

https://petapixel.com/2016/04/04/sonys-full-frame-pro-mirrorless-fatal-mistake/

Hope this answers your question. Wink


Thank's for the link. I've seen that before. Unfortunately my question about the relationship betw. lens mount diameter and IBIS is still not answered. It's only assumption and believe but no evidence or proof whatsoever.
Although Pentax K mount diameter is less than Sony E also Pentax manages to have IBIS in the FF K-1. So what?


PostPosted: Fri Dec 21, 2018 4:12 pm    Post subject: Reply with quote
tb_a wrote:

Thank's for the link. I've seen that before. Unfortunately my question about the relationship betw. lens mount diameter and IBIS is still not answered. It's only assumption and believe but no evidence or proof whatsoever.
Although Pentax K mount diameter is less than Sony E also Pentax manages to have IBIS in the FF K-1. So what?
Also, one of the "references" in that link is the Fuji-guy saying "First of all, our XF mount is not compatible with IBIS." and not so long after that, the X-H1 (with excellent IBIS) was released.

Last edited by Sjak on Fri Dec 21, 2018 4:30 pm; edited 1 time in total


PostPosted: Fri Dec 21, 2018 4:16 pm    Post subject: Reply with quote
Ah, I remember the K-01 available in rainbow colors except pink and green, however.


PostPosted: Fri Dec 21, 2018 4:21 pm    Post subject: Reply with quote
It's not that IBIS on FF is unable to be implemented at all with a too-small mount diameter. Obviously that is not true, and several examples to the contrary exist.

Also, traditional mount diameters are no issue whatsoever when implementing IBIS with camera bodies having smaller APS-C sensors. In these instances the sensor size is a match for the mount diameter.

But Nikon decided, with their new Z mount, not to cut corners or take the easy way out. They understood the issue and addressed it. Bringing out a new mount is a significant event for any camera manufacturer. They did not arrive at their decision lightly, or for no reason. There was a need.

Last edited by guardian on Fri Dec 21, 2018 4:30 pm; edited 1 time in total


PostPosted: Fri Dec 21, 2018 4:29 pm    Post subject: Reply with quote
visualopsins wrote:
Ah, I remember the K-01 available in rainbow colors except pink and green, however.


That is not for me the most desired aspect of my new camera body. Ugh! Perhaps a bit of paint . . . Laugh 1

There is one exception to the above:

Pentax killed the K-01 dead in 2012 after only one year on the market. That was in the USA. However:

The camera was much more popular in Japan than here. In 2013 Pentax reintroduced the K-01, in blue, but only in Japan. Those Japanese examples, in blue, are newer and more attractive than the camera I bought. And they can, even now, be purchased used from Japanese sellers on eBay.


PostPosted: Fri Dec 21, 2018 10:35 pm    Post subject: Reply with quote
For vintage lenses, Sony A9 should be enough with its 24 mP sensor. Best of luck! Laugh 1


PostPosted: Sat Dec 22, 2018 1:00 am    Post subject: Reply with quote
guardian wrote:
But Nikon decided, with their new Z mount, not to cut corners or take the easy way out. They understood the issue and addressed it. Bringing out a new mount is a significant event for any camera manufacturer. They did not arrive at their decision lightly, or for no reason. There was a need.


I'm not a Nikon specialist at all but looking here: https://blog.keh.com/the-lens-mount-guide-part-1/ I'm counting already 9 different Nikon mounts or mount variants. That's more than anybody else in the camera industry. The new mirrorless mount is therefore no. 10.
Not even Canon changed that often and to the contrary Pentax managed almost full compatibility througout the whole production time (just with minor limitations in functionality).
I rather suspect Nikon like to sell new lenses when introducing a new camera system. That's their need. There are already lens incompatibility issues between their different cameras and systems. That's nothing new.
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