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Sony RX10 IV

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Post Options Post Options   Quote stiuskr Quote  Post ReplyReply Direct Link To This Post Topic: Sony RX10 IV
    Posted: 13 September 2017 at 17:56
Just spotted this on my lunch hour, just skimming through what's new: 0-0.03s AF, PDAF with 315 points, shares the a9 processor, touchscreen, 24 fps with continuous AF and a 112 shot RAW buffer, 3m-infinity focus limiter and then 4K video with some amazing capture capabilities

High frame rate shooting


In addition to 4K capture, the RX10 IV is able to shoot 1080 at up to 120p, which can either be saved as 100Mbps or 60Mbps clips or slowed down, in-camera, to 60, 30 or 24p.

The camera has the ability to capture at 240, 480 or 960 fps, with footage taken from increasingly low-res crops from the sensor (250, 500 or 1000 fps in PAL modes), which can then be output as 60, 30 or 24p super slow-mo footage (50 or 25p in PAL).



https://www.dpreview.com/

https://www.sony.com/electronics/cyber-shot-compact-cameras/dsc-rx10m4

Edited by stiuskr - 13 September 2017 at 18:04
Rob Suits Jr.
a99M2 a99 a77 a700 KM7D|Min24/2.8 Min35/2 So50/1.4 So50/2.8 Min85/1.4G Tam90/2.8 Tam180/3.5|Tam17-50 KM28-75D So70-200G1 So70-300G So70-400G1|MFC-1000w/1200AF Metz54MZ-4i SonyF60
 



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artuk View Drop Down
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Post Options Post Options   Quote artuk Quote  Post ReplyReply Direct Link To This Post Posted: 13 September 2017 at 19:51
I actually thought in many ways it looks an interesting camera.
The 24fps with AE and AF is certainly class leading, and pushes the envelope beyond what most larger sensor cameras can do. If the AF, EVF and processing offer the kind of performance seen in the A9, it could be a serious professional camera for some types of photography. Many professionals who have used other RX10 versions often comment that it is actually all the camera many people need.

The 4K could be created without pixel binning, as previous RX10 models, and the slow motion and trick play features push the envelope for video features. I suspect the video output may be somewhat better than some of Canon's FF offerings, although I understand Sony codecs often don't offer very high bit rates.

A serious camera with a serious price that could have serious uses (I will certainly look at one for stage events work).
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Post Options Post Options   Quote stiuskr Quote  Post ReplyReply Direct Link To This Post Posted: 13 September 2017 at 23:39
You get what you pay for, and you're paying a lot for this one but you're getting so much more. Regardless of what body you're mounting them on, I think you'd spend a lot more than $1700 in lenses to cover 24mm to 600mm with the same quality.
Rob Suits Jr.
a99M2 a99 a77 a700 KM7D|Min24/2.8 Min35/2 So50/1.4 So50/2.8 Min85/1.4G Tam90/2.8 Tam180/3.5|Tam17-50 KM28-75D So70-200G1 So70-300G So70-400G1|MFC-1000w/1200AF Metz54MZ-4i SonyF60
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Post Options Post Options   Quote artuk Quote  Post ReplyReply Direct Link To This Post Posted: 13 September 2017 at 23:54
Originally posted by stiuskr stiuskr wrote:

You get what you pay for, and you're paying a lot for this one but you're getting so much more. Regardless of what body you're mounting them on, I think you'd spend a lot more than $1700 in lenses to cover 24mm to 600mm with the same quality.


That's all true - I can't think of another camera of any larger format that offers the same (claimed) abilities for continuous shooting and video.

For me, the sensor size is an issue as it limits the potential for higher ISO work, something that I would need for the potential purpose I would have for an RX10. Of all the models to date, this is the one that would best fill the need, but at a price.

An example of what would be attractive about 24fps with fast AF:



(taken with A6000 at 11fps - the major limit is the buffer depth, and sometimes issue with tracking ability. An entire jump may occupy only about 1 second - difficult to shoot a "decisive moment" without 'spray and pray'!)
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 03:34
Originally posted by artuk artuk wrote:

For me, the sensor size is an issue as it limits the potential for higher ISO work, something that I would need for the potential purpose I would have for an RX10.

All the RX10 sensors outperform the larger sensor models at low light levels at the same depth-of-field. The limits are at low ISO and the aperture size of the lens. The F2.8-4 [edit: 2.4-4] is a problem, the later is already limited by diffraction wide-open. The older lens of the I/II was a constant F2.8, which is still pretty slow. There's probably no way to make the lens faster without giving up something major. It already has a 72mm filter size, which seems large for a 220mm F4.



Edited by QuietOC - 14 September 2017 at 11:10
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Winwalloe View Drop Down
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Post Options Post Options   Quote Winwalloe Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 10:00
The lens is f2.4-4
See my webpage!
A-mount stuff, and few 43 stuff.
 



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Post Options Post Options   Quote SnowFella Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 10:20
Originally posted by Winwalloe Winwalloe wrote:

The lens is f2.4-4

Equivalent
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 11:14
Originally posted by SnowFella SnowFella wrote:

Originally posted by Winwalloe Winwalloe wrote:

The lens is f2.4-4

Equivalent


f2.4 - 4 at 8.8 - 220mm. FF equivalent is f6.5 - 10.9.

According to cambridge colour, a 1" sensor isn't diffraction limited at f4 but they use 2.5x pixel size as their reference which seems a bit large for me - MTF will be down there. Either way the 600mm is going to be useful in good light but maybe a bit noisy in low light.
A900, A58, 5d, Dynax 4, 5, 60, 500si/600si/700si/800si, various Sony & Minolta lenses, several Tamrons, lots of MF primes and *far* too many old film cameras . . .
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 11:14
Originally posted by SnowFella SnowFella wrote:

Originally posted by Winwalloe Winwalloe wrote:

The lens is f2.4-4

Equivalent

The effects of diffration scale/magnify by crop size. I was overestimating a little, but diffration still doesn't allow much at the long end. F4 is better than the F5.6 offered by Canon's G3X models at the focal length.

Panasonic LX10 with the same size sensor has a zoom that starts at F1.4--not that it matters much since it slows down very quickly.

Edited by QuietOC - 14 September 2017 at 11:36
A65 30M 35 50 16-50 16-80 16-105 18-135 18-250 55-200 55-300
A5000 LA-EA1 16 20 16-50 18-55
Maxxum 70: 20 24 28 50 85 100M 135 28-135 35-70 35-105 35-200 70-210 75-300 100-200 100-300D
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Post Options Post Options   Quote SnowFella Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 11:33
Only bringing it up as I've had a few "fights" with folks in a FB group using Nikon P900's and claim it has a 24-2000mm F/2.8-6.5 lens.
I'd love to see a "true" 2000mm F/6.5 lens that sport that small a front element!
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 14 September 2017 at 11:56
It would definitely be nice if everything was given equivalence not just focal length.

Small sensors don't need high ISO performance. If they used equivalent ISO numbers everyone would see that.

Small sensors need fast glass. They don't need the ability to stop down to f/22.

You can expose with equivalent relative apertures and equivalent ISO in the normal manner as with full-frame and you get equivalent images. Well, maybe less noisy. But the actual limitations would be clear instead of nonsense.

This camera actually makes a lot of sense for me personally for what I mainly use the A65 for, but it is a lot of money for one thing.
A65 30M 35 50 16-50 16-80 16-105 18-135 18-250 55-200 55-300
A5000 LA-EA1 16 20 16-50 18-55
Maxxum 70: 20 24 28 50 85 100M 135 28-135 35-70 35-105 35-200 70-210 75-300 100-200 100-300D
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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 September 2017 at 14:50
Yes, I agree. And it seems a horrible waste to buy a camera/lens combo that does everything so you have to sell all the other lenses you have. And what would you talk about?
A900, A58, 5d, Dynax 4, 5, 60, 500si/600si/700si/800si, various Sony & Minolta lenses, several Tamrons, lots of MF primes and *far* too many old film cameras . . .
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Post Options Post Options   Quote aarif Quote  Post ReplyReply Direct Link To This Post Posted: 15 September 2017 at 09:13
why would you need 24fps on this body I really don't understand
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 15 September 2017 at 20:04
Originally posted by aarif aarif wrote:

why would you need 24fps on this body I really don't understand
Somebody will need it. There is always somebody
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