mikew
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I think the first post in that thread summed it up.
Using an EF mount and register would mean the camera remains the same size, effectively giving all the disadvantages of a DSLR with all the disadvantages of a mirrorless.
. Distance between the sensor and glass will need to be the same. Might be lighter but dimensions will be roughly the same.I wonder if they are looking at users that are happy to buy a Sony A7 series and buy adapters to continue using their Pro Canon lenses.
... and the inevitable loss in quality by introducing another piece of glass.
Most adaptors don't have glass, it's to ensure the lens is the correct distance from the sensor.
No.Is it possible to make the mount much smaller with a 35mm sensor? I have no idea but I would also assume that the body could be a bit smaller (but perhaps not much lighter) without the mirror, prism, etc. But then the lenses are a significant part of the weight anyway
I am well aware of that. I use 'legacy' lenses on Nex cameras.
Why mention extra glass then? We're talking about FF.
I don't think it's a big surprise, more of a case of when.
I think both Nikon and Canon have left it way too late to release a really good mirrorless system that'll be able to complete with the likes of Fuji & Sony.
Also think that using their existing mounts is a double edged sword, will save them R&D and manufacture costs by avoiding a new lens system but surely once of the advantages is reduction of the DLSR size and weight?.
I doubt I could ever go back to a Brickon now that I have been with mirrorless since my D7000 days.
Don't think this is really true, Nikon and Canon have the advantage over Sony/Fuji over having a wide range of glass available from day one, Fuji and Sony have limited ranges of glass in comparison. I agree though about the size, there won't be a benefit.
Fuji XT-2 is a epic little cameraWell if they do make it mirrorless I hope they finally pull all the stops out, even the m5 isn't totally "there". I hear fuji calling more and more.
Your right but how much of those Nikon and Canon lenses are capable of working with the higher mega-pixel sensors which seems to be the trend going forwards? Canon openly admit that only certain lenses work well with their 5Dsr bodies.
I guess both Canon and Nikon could just rip out the mirror box out of their bodies and its job done!![]()
The line pair ratios are marginal on some Canon lenses with the 5DS/DSR, that's why Canon updated several of their lenses and have a recommended list for these cameras. Don't think the 6D Mk2 will have anything like the resolution of the 5DS, as Canon need a low light monster in their range, and you won't get High ISO capability with current high resolution sensors, I'd expect to see something in the 24-30MP range, probably 24MP but with very high ISO capability.
I agree, 24MP also seems a sweet spot for me..... having owned a 42.2 A7RII, it was a real pain to work with those kind of sizes.
I wonder if they could somehow build a hybrid OVF/EVF setup like the Fuji X-Pro2.
Are you being dense? Or are we just not understanding each other?
Read Phil's post.
IF the camera is smaller, the flange distance will change and so a correction lens will be needed in an adaptor.
... and the inevitable loss in quality by introducing another piece of glass.
I think you need to re-read your post as you stated:
I just replied saying you don't need glass in an adaptor, the adaptor is there to ensure correct distance. Not being dense, just replying to your post.
You're not being dense!It's me trying to keep the camera and lens size down: I'm thinking along the lines of changing the flange distance.
We're coming at it from different angles.
Apologies are sent with Christmas Cheer and a man hug![]()
You're not being dense!It's me trying to keep the camera and lens size down: I'm thinking along the lines of changing the flange distance.
We're coming at it from different angles.
Apologies are sent with Christmas Cheer and a man hug![]()
A fat bodied mirrorless would be a waste of time.

Using an EF mount and register would mean the camera remains the same size, effectively giving all the disadvantages of a DSLR with all the disadvantages of a mirrorless.
Why is it whenever I say something that could be perceived as negative about mirrorless, someone decides I must be against the principalOr, glass half full moment,
all those lovely EF lenses on a body with all the advantages of mirrorless.
Or, glass half full moment, all those lovely EF lenses on a body with all the advantages of mirrorless. I don't think I could go back to a mirror now, but I'm not against having a larger body.
Mirrorless doesn't have to mean smaller, in fact lots of people are hoping for a larger Sony mirrorless body at the moment!
It depends what you are taking pics of.Having never owned or used a mirrorless camera what are the main benefits? I can see that size and weight can be reduced but are there any performance benefits??
Exposure/wb preview, no chimping means reduced post processing, much better manual focussing, fewer moving parts, no need for focus fine tuning, and sometimes electronic shutter, to name a few.Having never owned or used a mirrorless camera what are the main benefits? I can see that size and weight can be reduced but are there any performance benefits??
Sony SLT's are not mirrorless, they have a translucent mirror which reflects some of the light onto an AF module so you get traditional DSLR phase detect AF. However, they do also have great liveview but I'm not sure if they still use the off sensor AF module in live view since the mirror never moves and so always reflects some light onto the module. The big downsides with this system are that it's EVF rather than OVF (that's personal preference), and that high ISO performance isn't great due to the translucent mirror reducing the light to the sensor. On saying that I had the A77 and A77-II and was very happy with both.It's already been tried. Sony originally produced the Alpha line of DSLRs (with mirrors and pretty decent live view) and then they decided to get rid of the mirror and produced the SLT Alpha cameras which are mirrorless but because they use the same a-mount lenses, they are the same size as DSLRs. These are not very popular cameras, compared to equivalent Canon/Nikon DSLRs.
When Sony wanted to make a full frame mirrorless camera, they decided to use their e-mount (rather than a-mount) system which allowed them to have a much smaller body and give you the advantage of size/weight reduction.
If this rumour is true (and I'm not convinced, why change the very good 6D formular?) Canon would be wise to learn from Sony's experience: take the smaller mount of the EOS-M and make a full frame camera around it.