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do too many camera mounts exist?

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dCap View Drop Down
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Post Options Post Options   Quote dCap Quote  Post ReplyReply Direct Link To This Post Topic: do too many camera mounts exist?
    Posted: 14 June 2020 at 22:02
This isn't exhaustive, I will have missed some, and some mounts have FF and APS bodies/sensors behind them, so perhaps too many systems:

Canon: FF, APS, R, M
Nikon: FX, DX, Z(FX), Z(DX)
Sony: FF, APS, FE, E
Olympus: m43
Panasonic: m43, FF*
Fuji: APS and littleMediumFormat
Pentax: FF, APS, 645

*shared mount with Leica and Sigma

Canon/Nikon have been extremely quite in terms of new lenses for their APS over the last few years.   So, perhaps one pending future movement is for Canon/Nikon to almost stop making APS dSLR. I could see them keeping just ONE top of the line (today's D500 & 90D and future refreshes). This would mainly be for the wildlife/birders perhaps? But if the majority of hobby APS dSLR shooters really do mainly stick to just the kit lens and don't really adopt many other optics then those sales could be moved over to the likes of the Canon M mount?

Surely some of these mounts will be phased out soon? My focus has been all mirrorless so I've not kept up with Sony's dSLR (SLT) systems - but things do look quite quiet. Now you don't need any new lenses if the cameras/lenses available new are good and broad enough.

Pentax (and Leica) are proof that you don't need high volume sales to keep making cameras/lenses. The Pentax APS/FF bodies are well respected and their followers are dedicated but it has to be a difficult mount to break into - would take quite a bit of faith to join.

Nikon CX, Samsung, and Pentax Q have all stopped ... but Nikon/Pentax were very very badly priced at the start. The Samsung had some fans and potential and they initially promised to just pause and return.

While Canon and Nikon were very late to start their FF mirrorless I had quietly hoped that one or even both of them would actually join the Sony A mount. I do wonder if either of them considered it or if they all met and discussed it. Olympus and Panasonic have shown how NOT to do this (1) anti-clock and clock-wise zooms, (2) IBIS combined with OIS but only if the brand matches. And I think the lens profiles are also brand match only?

Do you think some of these mounts will phase out?

As a dedicated mirrorless shooter I still consider FF dSLR as viable (not so much APS). If I shot static in a studio I'd pick up a Nikon D750 or Canon 5D and be just as happy as with mirrorless. And be happy with just one battery too.
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Miranda F View Drop Down
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 14 June 2020 at 23:10
Some of the mounts you list are not different. E and FE are the same, as are the A-mount FF and APS-C.
All the mounts you list will die (for some value of die) when the manufacturer stops making cameras and/or lenses for them, and that will happen for *every* mount.
Some of them will last longer than others, and IMHO Sony E/FE will be one of the last to go because of all the manufacturers, they are perhaps the most dedicated to disruptive electronic evolution.
By all means pick which others will survive for a while, but I think the writing is on the wall for all the current camera systems now we have mobile phones with 4 lenses in them and huge amounts of computing power. In 20 years they will all seem quaint and outdated, and only the pros and wannabe pros will be using them, apart from a few oldies like me who like obsolete systems.
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 00:23
It would certainly be better if there were fewer mounts.

There is a third-party AF adapter for using E-mount lenses on Nikon Z-mount bodies. And there are lots of EF AF adapters for several mirrorless systems.

I've looked for an adapter for E-mount lenses for my Pentax Q7.

Nikon and Olympus seem to in pretty bad sharp.



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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 08:12
I think you're mixing up mounts and sensor formats.

As Anthony (Miranda F) said, Sony only has two mounts: A-mount for DSLR's and DSLT's and E-mount for mirrorless. Both use FF and APS-C sensors.

Nikon uses the same principle, Canon doesn't and chose two different mounts for mirrorless between the two sensor formats (so they have three, which would be a showstopper for me to get into their mirrorless)

Then there is the so-called L-mount consortium with Leica, Panasonic and Sigma and Leica actually chose to also use this mount on their APS-C camera. All three use them on FF.

I don't think it's much different from the old days, almost any brand has their own mount, exceptions are the M43 consortium (and the older 4/3 mount which is no longer on any new camera) and the L-mount consortium. M43 has a dominant position in that sensor size, but L-mount comes far behind Canon/Nikon/Sony.

In the end they will all die as technology moves on and some players get out of business or get taken over. My crystal ball isn't clear enough to see when this might happen, and actually since I shoot E-mount and a bit of A-mount and M43 I really don't care that much either. I have no plans to jump ship and get lots of satisfaction from adapting old manual lenses on E-mount.
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Post Options Post Options   Quote SnowFella Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 08:54
Originally posted by pegelli pegelli wrote:

Canon doesn't and chose two different mounts for mirrorless between the two sensor formats (so they have three, which would be a showstopper for me to get into their mirrorless)


Even worse there as you can't mount an APS-C lens on one of their FF DSLR's, the APS-C lens will protrude to far in and the mirror will impact the rear of the lens.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 09:00
Canon has four mounts - you cannot mount an EF-S lens on an full-frame camera. They have EF, EF-S, R and M mounts you wonder how they can be the market leader... But then, the EOS R had some bad press, but it is a joy to use - it just does not have the customizability of the Sony cameras nor is it pushing technological limits like Sony does.

re. too many mounts. This is the case ever since we moved away from M39 and M42 screw mounts. Supposedly there are now 44 members of the Micro Four Thirds System Standard Group - that is impressive. But it hardly is a standard, neither is L-mount. The closest thing we have to a standard is the Canon EOS EF-mount as it can be adapted with good AF to many mirrorless cameras.

De we have to many mounts? We live in a free market economy, if these mounts are not economically viable, they will disappear. For now, it seems most are still being produced and sold - therefore, no, we doe not have to many mounts
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 09:02
Originally posted by SnowFella SnowFella wrote:

Originally posted by pegelli pegelli wrote:

Canon doesn't and chose two different mounts for mirrorless between the two sensor formats (so they have three, which would be a showstopper for me to get into their mirrorless)


Even worse there as you can't mount an APS-C lens on one of their FF DSLR's, the APS-C lens will protrude to far in and the mirror will impact the rear of the lens.
If it was just the back lens I could mount an EF-S lens on my MC-11 - it is a different mount.
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Post Options Post Options   Quote SnowFella Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 09:06
Same mount, just some added bits that stop you mounting an APS-C lens. From what I gather 3rd party lenses will mount fine on either FF or APS-C as they just haven't added the "blocking" bits.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 09:18
3rd party lenses use the EF camera mount. If I cannot mount a lens, it is a different mount.
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Post Options Post Options   Quote owenn01 Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 10:46
Going back to the heyday of film, I think the same question was just as valid, do you not think? I can recall from the 1960's through to the 1980's there was an absolute proliferation of mounts out there from various manufacturers and they would change or 'modify' them on a regular basis (one of the reasons I shied away from Pentax as they went from the 'classic' mount to a variety of bayonet mounts at what seemed like monotonous regularity).

I'm not sure we are anywhere near that level and, I guess, things will continue to 'evolve' (as they like to say) as we go along.

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Post Options Post Options   Quote dCap Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 11:48
yep, I mention mounts and formats in the text (not in the title though)
and yes - in the 1960s kind of time there were less '35mm' mounts - say Nikon F, Canon FD, Pentax, and maybe Olympus OM - plus Leica. But pretty much all the same film size. Minor half-frame excursions and medium format for the studio.

There are still lots of camera formats and image circles to look after there. Pentax continue to survive so maybe they only need a low volume to continue?

Since Sony had such a head start in mirrorless full-frame with the a7 and even though they have done a super job of making a LOT of lenses for the mount there has been a lot of adaptor action.

I wondered if this was a chance to make the mount irrelevant?

I think the industry missed a real trick here. If Canon and Nikon (with there very very late start) had joined the Sony FE mount then Sony could see an increase in their lens sales. And people could take whichever body suited them. Canon and Nikon would still be offering their colors and processing and their own lenses (like that odd Noct). Canon L lenses in your a7 or a9. With native AF and no adapting.

Canon and Nikon could have worked with Sony to make the perfect dSLR to FE mount adaptors for those wanting to just adapt instead of get native mount lenses. Native mount benefit from being NEW and designed to the latest resolutions and flanges ... but the hurder is people with a collection of older glass resisting the move to mirrorless.

There was 'no competition' at this point as Panasonic hadn't joined in. And Leica have not been a competitor since they turned into a boutique. So there wouldn't be any anti-competitive stuff. Sony could have opened the mount to anyone (Olympus, Panasonic, Pentax).

Might even have seen a couple of them, say Olympus, just making glass and not bodies.

Oly and Pan have been amazingly bad at working together and have put bumps in the road and repeated things that didn't need it in some zones. Their current your OIS will not talk to my IBIS will continue to hurt the system. So - Sony et al. had a great modern history lesson on how not to work together.

Personally, I respect Canon more for making the R and M different (different customers). Shame they aren't making very many M primes though. I know you can put a really big Sony FE lens on their smallest NEX shape body but you could put a Nikon F 600/4 onto a Nikon 1 camera too (via adaptor) ... park any idea of handling in a forgotten corner though. Sure for big telephoto 'the lens' is on the tripod/monopod and any camera is little and just hanging off the end of the lens. But a wide prime or standard zoom made to measure is a better handling fit and always should be.

I still wonder which mounts will go first. Pentax holds on. Oly seem a bit lost (Panasonic could buy their camera industry and finally resolve the OIS/IBIS compatibility).
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 12:16
Originally posted by dCap dCap wrote:

in the 1960s kind of time there were less '35mm' mounts - say Nikon F, Canon FD, Pentax, and maybe Olympus OM - plus Leica.
I think you're overlooking quite a few, Contax, Yashica, Miranda, Exacta, Topcon, Konica AR to name a few. Lots of different mounts have been around a long time, especially after M39 and M42 were phased out in favour of bayonet mounts
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 13:03
Originally posted by pegelli pegelli wrote:

Originally posted by dCap dCap wrote:

in the 1960s kind of time there were less '35mm' mounts - say Nikon F, Canon FD, Pentax, and maybe Olympus OM - plus Leica.
I think you're overlooking quite a few, Contax, Yashica, Miranda, Exacta, Topcon, Konica AR to name a few. Lots of different mounts have been around a long time, especially after M39 and M42 were phased out in favour of bayonet mounts


I can't believe you've both missed where we started , Minolta !

Granted SR mount not A mount , and that's just the bayonet mount .
L39 rangefinder cameras were also made by Minolta around that time .
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 15 June 2020 at 13:19
Originally posted by neilt3 neilt3 wrote:


I can't believe you've both missed where we started , Minolta !

Granted SR mount not A mount , and that's just the bayonet mount .
L39 rangefinder cameras were also made by Minolta around that time .
Touché, I didn't notice dCap missed it so didn't include it in my list, I can probably hide behind "to name a few" allthough I realise it's a pretty weak cop-out . How about the Minolta Vectis mount, that was different again from the other Minolta mounts, but not very widespread.
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