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| Who identified the need for the Z mount? And why? - Page 1 | |
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| Posted: Sat Dec 14th, 2019 03:51 |
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1st Post |
jk
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My question is really who identified the need for the Z mount and what was their rationale? I have seen the marketing blurb but I am not sure I agree with it. I am not a lens or optical designer but it seems like change for change sake to get a little extra flexibility. https://www.diyphotography.net/nikons-new-z-mount-explained-by-a-nikon-engineer/ "Nikon have gone from having one of the longest flange distances of any camera manufacturer, at 46.5mm with the F Mount to the shortest. The Z-Mount is only 16mm away from the sensor. This helps to minimise distortion from the rear element projecting the image onto the sensor. It also allows Nikon to produce the thinnest mirrorless cameras possible. Side note: It also has the added benefit of allowing you to adapt many different types of lenses to fit & focus on the new Z model mirrorless cameras without corrective diopters that can degrade the image – anybody who's ever tried to use an M42 lens on Nikon knows what I'm talking about. The larger diameter of the Z Mount also allows Nikon to produce lenses with much wider apertures."
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Dec 14th, 2019 05:41 |
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2nd Post |
Robert
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Well the bland answer is the Nikon tech development team chose the geometry to provide what they perceive are the best lens mount they can devise for their new mirrorless Z camera range... However I guess you already knew that. Perhaps the question should be 'What are the advantages and disadvantages of the new Z mount and why was it changed from the long standing F mount so radically'? I am not a lens designer either but I can see several advantages of having a larger hole in the front of the camera body. It reduces the stress on the mount due to handling because a wider base to any connection is inherently stronger, it also makes it more stable, F mounts do tend to come loose due to the high stress the mount screws experience in normal use. A larger, thinner wall tube is lighter and stronger than a small thick wall tube, allowing more room for better focus motors? It allows more room for better electrical contacts, on some lenses, especially on the fast ones, there is very little room for the contacts. Nikon seem to be pushing fly by wire focusing, a larger mount will be helpful for that. Nikon seem to be set to provide faster lenses for a very limited market, it probably makes it easier and cheaper to make the fast lenses if you are able to have large rear elements, which may help reduce vignetting or the need to resort to trickery to avoid/correct vignetting. It ensures users who want to use very specialised lenses have the room to accommodate adaptors for almost anything, which makes the Z mount more attractive to a greater user base. There is a greater tendency to use DSLR's for video work and that can often involve using specialised lenses. The extra depth is also available to incorporate a better X1.4 or X2 tele extender instead of the FTZ adaptor, nothing yet but maybe... I don't see this as a VHS/Betamax situation, most of the camera manufactures have tried to make their mounts individual, in a way it doesn't matter to the user, provided it works. The change to the Z mount was inevitable with the adoption of mirrorless, it provided Nikon with the opportunity to get radical. The FTZ provides a partial solution except for the screwdriver lenses. I am sure there are a wagon load of very good reasons why Nikon chose the size and register depth for the Z's, I am content to look on and admire, use occasionally and leave the real design strategy to those who have devoted their lives to camera and lens design and invested heavily in it. In a way it's fundamental, corporate strategy comes into play, that's way beyond me. I don't see much point in speculating, just get on and enjoy it!
____________________ Robert. |
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| Posted: Sat Dec 14th, 2019 07:39 |
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3rd Post |
chrisbet
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Hmm - I wonder if it paves the way for a new larger sensor?
____________________ If it is broken it was probably me .... |
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| Posted: Sat Dec 14th, 2019 09:54 |
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4th Post |
jk
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chrisbet wrote:Hmm - I wonder if it paves the way for a new larger sensor? I think that going to a larger sensor is a diminishing returns route. The improvements in sensor technology make it more attractive to go to a smaller sensor, which in turn makes opportunity for a smaller, lighter camera. My Fuji XT3 is not as good as my D500 for BIF and motion tracking but its output is just as good/better for static objects and portraits. Also look at what Jeff and Iain are doing with their Micro4/3 sensor cameras. Robert's technical points about barrel diameter and electronics for AF and VR makes sense. It is always difficult to understand some of the design decisions but this one seems particularly difficult to fathom.
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sat Dec 14th, 2019 10:13 |
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5th Post |
novicius
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I remember a long time ago Nikon reps. saying that at Nikon they were Not interested in making medium-format,..even when they practically nearly made the Entire lens line for the Zenza Bronica S2 camera,...and still make lenses for Large format,...just the lenses..Not the camera.
____________________ Back in Danmark I do not use my equipment to make photo`s .. I take photo`s to use my equipment The better I become at photography,the better my camera gets. |
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| Posted: Sat Dec 14th, 2019 13:03 |
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6th Post |
Robert
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MF is low volume, '35mm' s high volume, generally Nikon doesn't do low volume cameras probably not with setting up the production line for. All specialised lenses tend to be low volume but much higher price so it remains potentially profitable. The Df hasn't been re-issued, the underwater bodies are no longer made.
____________________ Robert. |
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| Posted: Sat Dec 14th, 2019 13:04 |
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7th Post |
Robert
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chrisbet wrote:Hmm - I wonder if it paves the way for a new larger sensor? Or a square one? Best of both worlds.
____________________ Robert. |
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| Posted: Sun Dec 15th, 2019 11:07 |
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8th Post |
GeoffR
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jk wrote: The improvements in sensor technology make it more attractive to go to a smaller sensor, which in turn makes opportunity for a smaller, lighter camera. I have great difficulty with this idea that cameras have to get smaller. I find the D2, 3, 4 series about the right size but I wouldn't mind losing around 50% of the weight.
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| Posted: Sun Dec 15th, 2019 12:47 |
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9th Post |
jk
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GeoffR wrote:jk wrote: I somewhat agree with that thought Geoff. However having trodden the Fuji X series road for a while now I see that APS-C (DX) format cameras can yield stunning results. This makes me wonder if DX is not the new FF and micro4/3 or 1" sensors are not the new DX!
____________________ Still learning after all these years! https://nikondslr.uk/gallery_view.php?user=2&folderid=none |
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| Posted: Sun Dec 15th, 2019 15:21 |
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10th Post |
Eric
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GeoffR wrote:jk wrote: Exactly what I have been banging on about for some time. My hands haven't gotten any smaller....it becomes harder to hold a heavy lens the smaller the grip gets. I just want the camera lighter. Removing the SLR gubbins might have been sufficient?
____________________ Eric |
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