Nikon Mirrorless FF Discussions/News/Rumors |
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lonewolf ![]() Senior Member ![]() Joined: 21 July 2014 Country: Australia Location: Perth Status: Offline Posts: 1003 |
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In theory a universal mount would be great, but i cant see it ever happening. Plus doesnt E-mount have some issues from having been originally an APS-C format - with wide angles and some difficulties for lens designers? |
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a7iii, 200-600, 28 F2, 85 F1.8 + lots of Nikon stuff
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5thElefant ![]() Senior Member ![]() Joined: 19 September 2008 Country: United Kingdom Location: Wales Status: Offline Posts: 3242 |
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The ‘designed for apsc’ is a myth. A full frame video camera was released shortly after the apsc nexs. That myth was quickly followed by the ‘too small for in body stabilisation’ myth... ![]() |
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Simon α900|A7|RX10|DXO
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vitor ![]() Senior Member ![]() Joined: 10 August 2006 Country: Portugal Location: Lisbon Status: Offline Posts: 1966 |
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I'm not certain it is a myth. While there is "Fullframe" sensor and IBIS on E-mount this doesn't mean there aren't technical limitations due to the size of the mount.
![]() Looking at a "fullframe" sensor on E-mount we can guess there is shadow falloff on the sensor. This might have been overcome with software adjustments in camera and not visible by the end-user. Also, some lenses for E-mount have a more complex rear group elements when comparing with A-mount for example. |
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Jonas A-R ![]() Senior Member ![]() Joined: 29 December 2007 Country: Denmark Location: Denmark Status: Offline Posts: 1645 |
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Of course it’s a myth. Any manipulation of the raw file would have been discovered long ago (the stuff that actually goes on has been analyzed to death). Perhaps e-mount lenses are more complex because they are designed to a higher standard, or they look differently because they are designed for a short register? The incredible 12-24/4 would not suggest any major design constraints. |
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a9 a6300
21/2.8 Loxia 35/1.4Z 50/1.4Z 85/1.4GM 90/2.8G Laowa 100mm F2.8 Ultra Macro 100/2.8GM 135/1.8GM 12-24/4G 24-105/4G 100-400/4-5.6GM 2x TC |
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vitor ![]() Senior Member ![]() Joined: 10 August 2006 Country: Portugal Location: Lisbon Status: Offline Posts: 1966 |
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I wasn't talking about manipulation of raw file .... All data captured from the sensor is manipulated (processed), I doubt anyone besides people involved in the firmware will know.
I don't doubt of the quality of the lens produced by Sony for the E-mount. The reallity is that the rear elements reminds of an adapter. This is event more visible on the Sigma lenses as they aren't natively developed for E-mount. Your statement of lenses designed for a short register in digital, IMO justify part of the complexity for wide lenses. Digital cameras are more afected than film cameras by the directionality of the light reaching the sensor/film plane. As a note, there are many short register film cameras that don't require complex lenses. |
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Jonas A-R ![]() Senior Member ![]() Joined: 29 December 2007 Country: Denmark Location: Denmark Status: Offline Posts: 1645 |
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Not true, the star eater noise reduction has been reverse enginneered for example. The correction of camera developed jpgs are also well known. However, I doubt it is a consequence of the mount diameter
Of course it is more visible in the Sigmas. After all they are SLR designs with a permanently build-in adapter. The size of the 12-24 shows how compact a highly corrected wideangle lens can be designed for a short register. It is impossible if the formed image had to be projected across a mirror box. Edited by Jonas A-R - 30 July 2018 at 06:46 |
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a9 a6300
21/2.8 Loxia 35/1.4Z 50/1.4Z 85/1.4GM 90/2.8G Laowa 100mm F2.8 Ultra Macro 100/2.8GM 135/1.8GM 12-24/4G 24-105/4G 100-400/4-5.6GM 2x TC |
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jcoffin ![]() Senior Member ![]() Joined: 05 November 2008 Country: United States Location: Colorado Status: Offline Posts: 456 |
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Mirrorless cameras are attractive largely because of their small size.
As such, even if a larger mount would have some technical advantages (which seems open to some question, but for the moment let's assume it does), Nikon might well want to keep the mount as small as they can, and still support a full-frame sensor. I'd also note that E-mount actually has a throat diameter two millimeters larger than the F-mount that Nikon's been using for decades. So, from their perspective, the mount diameter might not be an issue at all. Of course, that doesn't prove that they'll use E-mount (personally, I rather doubt they will), but it does tend to indicate that if they do use some other mount, it's unlikely that technical issues with the mount diameter will be the driving force to do so. |
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Later,
Jerry. |
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lonewolf ![]() Senior Member ![]() Joined: 21 July 2014 Country: Australia Location: Perth Status: Offline Posts: 1003 |
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I think its more the mount diameter vs the distance to the flange - obviously Nikon has a mirrorbox in the way so a fair way back.
I dont think its actually an issue with images, more so that it presents some interesting challenges to lens designers from what i read. |
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a7iii, 200-600, 28 F2, 85 F1.8 + lots of Nikon stuff
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addy landzaat ![]() Senior Member ![]() Joined: 22 April 2006 Country: Netherlands Location: Netherlands Status: Offline Posts: 12955 |
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Why not follow me on Instagram? @Addy_101
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Hobgoblin ![]() Senior Member ![]() Joined: 25 November 2006 Location: United Kingdom Status: Offline Posts: 1508 |
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Surely the diameter of the mount is an irrelevance. It is the diameter of the last lens element that is the issue. Look at any of your lenses and you will see that the final element is often less than half of the diameter of the mount. But even within the lenses designed for any particualr mount there is a wide range of final element sizes that do not seem to me to be consistent with regard to focal length of the lens.
The register distance is a different matter for it will affect the angle that the light strikes the sensor at the extreme edges. |
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ABDurbs ![]() Senior Member ![]() Joined: 27 October 2011 Country: South Africa Location: Durban Status: Offline Posts: 1016 |
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I am looking forward to Nikons mirrorless offering for one reason only - Nikon is way better supported here in South Africa.
Sony E mount in SA is hellish expensive and extremely difficult to get hold of. Don't even try buy A mount here, it just doesn't exist. Not saying Nikon is going to be less expensive but at least it will be available and well supported. It will also make selling any 2nd hand gear a lot easier. I have been considering mirrorless for some time now, and moving brands wouldn't even be a consideration as I would much prefer to stick with Sony. But, Nikon's future in this country looks a whole lot brighter than Sony's, so it is going to be very interesting to see what Nikon comes up with. I will probably land up just staying with A mount Edited by ABDurbs - 31 July 2018 at 09:03 |
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Regards
Allan A99 + VG, A77ii + VG, 70-400G, Zeiss 85mm f1.7, CZ16-80, Tamron 70-200 USD Tamron 24-70 USD, HVL-43AM, Godox TT685S & X1T-S, Minolta 8000i, Minolta 50mm f1.7 |
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owenn01 ![]() Alpha Eyes group ![]() Joined: 20 May 2008 Country: United Kingdom Location: Kent Status: Offline Posts: 11578 |
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A further video 'teaser' to be found here
Seems like the new lens mount has 11 contacts but there is some speculation about sensor size etc (Pixel count). |
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My Mantra: "Comment on other's work as you would wish to have yours commented upon". Go on - it's fun!
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trainerKEN ![]() Senior Member ![]() Joined: 16 May 2009 Country: Canada Location: Vancouver Status: Offline Posts: 3801 |
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Z6
![]() ![]() ![]() Edited by trainerKEN - 22 August 2018 at 02:19 |
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trainerKEN ![]() Senior Member ![]() Joined: 16 May 2009 Country: Canada Location: Vancouver Status: Offline Posts: 3801 |
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Z7
![]() ![]() ![]() Edited by trainerKEN - 22 August 2018 at 02:20 |
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