oscarvdvelde

oscarvdvelde

Lives in Spain Castellgalí, Spain
Works as a lightning research
Joined on Apr 29, 2006

Comments

Total: 83, showing: 1 – 20
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On Opinion: Why the Canon XC10 is a big deal article (800 comments in total)
In reply to:

Angrymagpie: Native advertising makes its way to dpreview?

Just add a red and green highlighted feature comparison against existing options to make it stand out, like DPreview uses in discussions of camera model updates.

Direct link | Posted on Apr 8, 2015 at 18:20 UTC
On Canon XC10: What you need to know article (227 comments in total)
In reply to:

blue hour: http://www.dpreview.com/products/compare/side-by-side?products=canon_xc10&products=panasonic_dmcfz1000

FZ 1000, 1inch sensor, 4K video, 20 megapixel stills, $899
25mm-400mm f 2.8-4

XC 10, 1inch sensor, 4k, 12 megapixel stills, $2499
24-241mm, f2.8-5.6

I suppose it is the Log output over HDMI which justifies such price over existing options. 12 MP on a 1-inch sensor means more photons per pixel with less amplification needed for equal image brightness (less noise). But I guess it's far from Sony a7s quality which does that with a full frame sensor (4x more light).

Direct link | Posted on Apr 8, 2015 at 15:46 UTC
On X-Transformed? Fujifilm X30 Review article (314 comments in total)
In reply to:

naththo: Fuji X-A1 shows much more details than the Fuji X100T in JPEG. Also same story goes to RAW. So it shows that X-Tran sensor is still struggle to be in compete with conventional CMOS sensor unfortunately. Thats why most camera manufacturer prefer to stick with conventional CMOS sensor nowaday.

X-T1 with the excellent 27mm lens, RawTherapee 4.2.1 with RL Deconvolution sharpening, reducing its Dampening setting to 4, I'm seeing insane level of detail, way more than in camera's JPEGs or even Fuji/Silkypix raw converter with all noise reduction disabled and also better than Photo Ninja.

It is certainly not "struggling to compete" with Bayer-CFA sensors. Most of the trouble comes from sub-par raw conversions. DPreview should run a comparison between Adobe and the free RawTherapee.

Direct link | Posted on Mar 27, 2015 at 17:42 UTC
On Fujifilm X100T Review preview (641 comments in total)
In reply to:

Cipher: Is it me or is the X100T a smidge sharper than the X100S? Could this be that maybe a different version of software (e.g. Lightroom) was used to process the X100T files than the X100S?

Adobe's X-trans demoisaicing still isn't the best. Try RawTherapee 4.2.1 (which is based on dcraw) which is even better than Fuji's own Raw File Converter 2 / Silkypix.

Direct link | Posted on Mar 25, 2015 at 23:45 UTC

It seems that such lens would produce a warm color cast looking at those side lobes in the picture?

Direct link | Posted on Mar 11, 2015 at 03:25 UTC as 36th comment
On New samples from the Sigma 24mm F1.4 DG HSM Art lens article (236 comments in total)

Should be interesting to see how it compares against Sigma's old 24mm f/1.8 EX and the Samyang 24mm f/1.4 also.

Direct link | Posted on Feb 20, 2015 at 02:27 UTC as 38th comment | 14 replies

I bought the Tokina 16-28mm f2.8 in 2011. Build quality and quality control are not good: 3 samples I tested were decentered. The 3rd one was quite acceptable and I kept it. Half a year later an internal screw got loose and the lens mount wobbled. Sent it in for repair. It came back with some internal lens group play resulting in unpredictable sharpness across the image. If that wasn't enough, the zoom ring has half a centimeter of slack now before it actually zooms. Also, on rare occasions the autofocus motor ran wild, had to remove the battery from the body to stop it (EOS 5D). Test and buy where you can easily return it without shipping.

Direct link | Posted on Feb 15, 2015 at 03:24 UTC as 32nd comment | 4 replies
On CP+ 2015: Canon shows off prototype 120MP CMOS sensor article (255 comments in total)
In reply to:

oscarvdvelde: It is only 1.5 times the resolution of the 5DS. Explain the drama?

Megapixels is nice for marketing, because it increases with the square of the resolution. If you print at 150 dpi and you really want 300 dpi at that size, i.e. 2x the resolution, you need a file with 4x the megapixels. But I'm not telling anything new here.

It seems the video community corrected this. Why not apply it in photography as well? Because differences of 6K vs 4.9K vs 4.4K aren't selling so well as 24 MP vs 16 MP vs 12.8 MP...

Direct link | Posted on Feb 13, 2015 at 22:40 UTC
On CP+ 2015: Canon shows off prototype 120MP CMOS sensor article (255 comments in total)
In reply to:

oscarvdvelde: It is only 1.5 times the resolution of the 5DS. Explain the drama?

Note that even Canon claims "60 times the resolution of full HD". This is just marketing talk. You can resolve 13280/1920 = ~7 times finer details.
The likes here serve almost as a DPreview ignorance meter. Why not do the math yourselves?

Direct link | Posted on Feb 13, 2015 at 20:05 UTC
On CP+ 2015: Canon shows off prototype 120MP CMOS sensor article (255 comments in total)
In reply to:

oscarvdvelde: It is only 1.5 times the resolution of the 5DS. Explain the drama?

Even the responses above are awkward. My math is fine: 13280/8868 pixels = 1.4975
Resolution is resolution. It's measured in linear dimensions.

Direct link | Posted on Feb 13, 2015 at 18:32 UTC
On CP+ 2015: Canon shows off prototype 120MP CMOS sensor article (255 comments in total)

It is only 1.5 times the resolution of the 5DS. Explain the drama?

Direct link | Posted on Feb 13, 2015 at 16:47 UTC as 39th comment | 18 replies
On Canon EOS 5DS / SR First Impressions Review preview (2356 comments in total)

Wow, the same rage here as when Canon introduced the 5D mk II, the first camera with over 20 MP! As if Canon has made all recent cameras obsolete now ;)

Direct link | Posted on Feb 6, 2015 at 14:16 UTC as 427th comment
On Go wide! Hands-on with Canon's 11-24mm F4 L article (224 comments in total)

that front element will take an hour to clean after taking it to the beach on a stormy day :)

Direct link | Posted on Feb 6, 2015 at 04:20 UTC as 74th comment

The site seems to be down for many hours now. Keep getting this http://www.worldphoto.org/FatalError.html?aspxerrorpath=/default.aspx/
I can't submit anything before the deadline.

Direct link | Posted on Jan 5, 2015 at 23:39 UTC as 1st comment
On Entry-Level Mirrorless Camera Roundup (2014) article (141 comments in total)
In reply to:

marc petzold: Virtually, besides the X-M1 vs X-A1, the only difference is, that the A1 is way cheaper, but build into the same package (body) and uses a ordinary Bayer Sensor, not X-Trans...but that comes in handy especially when shooting landscapes and foliage, the X-Trans Sensors don't look too good into that way for my eyes, apart that, they're very fine, indeed.

But i must say that i would mention, the X-A1 and X-M1, both do have also a plasticky feeling like the A3000, and being far away from for instance a X-E1(2) or X100-alike Body, which are made out of alu magalloy, and not plastic.

Try this: download the RAF file of the river at this page: http://www.fotopolis.pl/n/17408/fujinon-xf-27-mm-f28-test/?page=14 and open it in RawTherapee. It's full of details in the green, freaking amazing. This totally removed my doubts about X-Trans. But the OOC JPEGs I see everywhere (and many say are "sharp" unfortunately lack that detail. Just like Canon JPEG vs raw.

Direct link | Posted on Dec 18, 2014 at 04:51 UTC

Looking at the full gallery, the panel will have a hard time going through the images. Of the 10 pages only a minority of submissions qualify as scientific photography.
http://rps-science.org/competition/all/International-Images-for-Science/entries/?page=10&sort=&category=&competition=1

Direct link | Posted on Dec 7, 2014 at 23:22 UTC as 1st comment | 1 reply
On Casio targets golfers with Japan-only Exilim EX-FC500S article (36 comments in total)
In reply to:

oscarvdvelde: A few years ago Casio had unique features I would still like to see in cameras from other manufacturers. You could actually press the shutter or record button after an event (e.g. sports, children or animals, lightning) and save the images or video of the action!

The difference is this. Instead of recording all video to storage media, the camera stores images in a circular buffer (when you "arm" or "pretrigger" it), which may be a second worth of video, for example. When you press the trigger upon seeing the action you were waiting for, the buffer stops filling. You may then further reduce the selection and save that to card. This is also how high speed camera systems work like Vision Research Phantom cameras.

Direct link | Posted on Nov 25, 2014 at 03:58 UTC
In reply to:

srados: Hey Canon, Sony just imagined impossible...

Canon was looking at Sony's factory and saw impossible.

Direct link | Posted on Nov 20, 2014 at 22:30 UTC
In reply to:

Auricom: SONY: does hearing that name send euphoric energy ripples up and down your spine? /:o

it still sounds like Walkman, Handicam, Trinitron and My First Sony to me. It's hard to shake off.

Direct link | Posted on Nov 20, 2014 at 22:25 UTC
On Casio targets golfers with Japan-only Exilim EX-FC500S article (36 comments in total)

A few years ago Casio had unique features I would still like to see in cameras from other manufacturers. You could actually press the shutter or record button after an event (e.g. sports, children or animals, lightning) and save the images or video of the action!

Direct link | Posted on Nov 19, 2014 at 13:12 UTC as 8th comment | 6 replies
Total: 83, showing: 1 – 20
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