zos xavius

Joined on Aug 23, 2011

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Total: 243, showing: 1 – 20
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On article Throwback Thursday: the Canon EF 24-70mm F2.8L (99 comments in total)
In reply to:

Jeff Keller: By the way, if anyone has any ideas for future TBTs, please post them or send me a PM.

I posted a long list a few weeks ago of things that should probably be covered, but I'll repeat it here:

Contax N Digital (first FF DSLR)
Kodak DCS-14n
Canon D30 (canon's first DSLR)
Konica Minolta Z-series Bridge Cameras (Z10 anyone?)
Panasonic FZ-50
Fuji S5 (legendary for skin tones)
Leica S1 (ok maybe a stretch since it was just a scanning back)
Olympus E-1 (first 4/3 camera and digital only SLR system)
Olympus E-5 (last 4/3 flagship)
Panasonic G-1 (first m4/3 camera)
Canon 5D2 (too much to say really)
Canon 300D (first consumer DSLR)
Nikon D90
Casio QV-10 (first rear LCD)
Logitech Photoman
Kodak DCS-100
Pentax K10D (first weathersealed pentax, first flagship with shake reduction)
Pentax K-7 (the K-1's grandfather)
Samsung GX-10/GX-20 (Samsung's abortive attempt to rebadge Pentax)
Pentax 645D (first MF camera for the masses)
Olympus Pen E-P1
Minolta Dimage A1 (first sensor based SR in a camera)
Minolta RD-175
Minolta Maxxum 7d

That should keep you busy for a while :)

Link | Posted on Feb 24, 2017 at 18:37 UTC
On article Throwback Thursday: the Canon EF 24-70mm F2.8L (99 comments in total)
In reply to:

bobn2: Not actually 'constant aperture', rather 'constant f-number'. If the aperture was constant, the f-number would change as it zooms. Yup, I know it's pedantry, but it's that kind of misuse of 'aperture' that ends up with people not knowing what 'aperture' means.

Yes you are right. Most constant fstop lenses vary the aperture between somewhat closed and wide open to maintain a consistent F stop. Constant aperture has just become a commonly used term to describe that, even if it is somewhat inaccurate.

Link | Posted on Feb 24, 2017 at 18:27 UTC

A few ideas:

Contax N Digital (first FF DSLR)
Kodak DCS-14n
Canon D30 (canon's first DSLR)
Konica Minolta Z-series Bridge Cameras (Z10 anyone?)
Panasonic FZ-50
Fuji S5 (legendary for skin tones)
Leica S1 (ok maybe a stretch since it was just a scanning back)
Olympus E-1 (first 4/3 camera and digital only SLR system)
Olympus E-5 (last 4/3 flagship)
Panasonic G-1 (first m4/3 camera)
Canon 5D (first FF camera)
Canon 5D2 (too much to say really)
Canon 300D (first consumer DSLR)
Nikon D90
Casio QV-10 (first rear LCD)
Logitech Photoman
Kodak DCS-100
Pentax K10D (first weathersealed pentax, first flagship with shake reduction)
Pentax K-7 (the K-1's grandfather)
Samsung GX-10/GX-20 (Samsung's abortive attempt to rebadge Pentax)
Pentax 645D (first MF camera for the masses)
Olympus Pen E-P1
Minolta Dimage A1 (first sensor based SR in a camera)
Minolta RD-175
Minolta Maxxum 7d

Apologies if you covered one of these already and I had forgotten...

Link | Posted on Jan 15, 2017 at 14:16 UTC as 3rd comment | 1 reply

Awesome. Now it will print 2 prints before the nozzles clog! ;)

Link | Posted on Jan 13, 2017 at 19:24 UTC as 22nd comment | 2 replies
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

Contra Mundum: Something about Sigma DNG. This is not strictly speaking a raw format. It's what is known as processed raw or "Linear DNG". If DNG is the only output from this camera then it basically means that there is no raw available and you at the mercy of in-camera raw processor. Pretty much the same if the camera would produced processed TIFF.

DNG is not full RAW. its just a container so you are wrong. Inside of a DNG can be RAW data, jpegs, tiffs, anything really,

Link | Posted on Dec 16, 2016 at 14:05 UTC
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

zos xavius: Out of curiosity I decided to compared the K-1 to the SDQ and the Merril. I threw in the XT-2 for fun. If I upscale and compare the K-1 easily resolves far more than the other three. I'm not convinced of Sigma's claim that their sensor produces 40mp of detail. Its just not there. I don't see how adding 5mp will make the camera magically resolve more than the K-1 suddenly either. I'll be honest it does pretty well for aps-c, but so does my 24mp K-3. The XT-2 I just don't know. Everything to me looks like watercolors at 100%. Edge detail is pretty lacking really. The edges of the letters in the color wheel are noticeable to me the most. I thought it might be ACR, so I tried looking at the camera produced JPEG and its really about the same. A disappointing result frankly. Based upon this I see zero benefit to X-trans (the colors look about the same as bayer to me) or Foveon. Crops: L to R SD1->SDQ->XT-2->K-1

https://drive.google.com/drive/folders/0B1eWDCDJ8MQsNFB2SDVuOFEybmc?usp=sharing

I compared the ACR output and not the camera JPEGs.

Link | Posted on Dec 16, 2016 at 14:01 UTC
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

zos xavius: Out of curiosity I decided to compared the K-1 to the SDQ and the Merril. I threw in the XT-2 for fun. If I upscale and compare the K-1 easily resolves far more than the other three. I'm not convinced of Sigma's claim that their sensor produces 40mp of detail. Its just not there. I don't see how adding 5mp will make the camera magically resolve more than the K-1 suddenly either. I'll be honest it does pretty well for aps-c, but so does my 24mp K-3. The XT-2 I just don't know. Everything to me looks like watercolors at 100%. Edge detail is pretty lacking really. The edges of the letters in the color wheel are noticeable to me the most. I thought it might be ACR, so I tried looking at the camera produced JPEG and its really about the same. A disappointing result frankly. Based upon this I see zero benefit to X-trans (the colors look about the same as bayer to me) or Foveon. Crops: L to R SD1->SDQ->XT-2->K-1

https://drive.google.com/drive/folders/0B1eWDCDJ8MQsNFB2SDVuOFEybmc?usp=sharing

the K-1 is amazing frankly. why buy this when you can have better resolving power and NONE of the limitations for not much more money ?

Link | Posted on Dec 16, 2016 at 14:00 UTC
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

Manzur Fahim: I want one. I hope they will have a X3F + DNG option so we can try them in different software and see the differences. Also Sigma should enable DNG recording in all other camera through firmware update :)

That won't happen because of the flange distance. This camera is pretty much SA mount only. I think the flange distance is the same as canon so there are some possibilities.

Link | Posted on Dec 16, 2016 at 13:59 UTC
On article Sigma releases price and availability for sd Quattro H (369 comments in total)

Out of curiosity I decided to compared the K-1 to the SDQ and the Merril. I threw in the XT-2 for fun. If I upscale and compare the K-1 easily resolves far more than the other three. I'm not convinced of Sigma's claim that their sensor produces 40mp of detail. Its just not there. I don't see how adding 5mp will make the camera magically resolve more than the K-1 suddenly either. I'll be honest it does pretty well for aps-c, but so does my 24mp K-3. The XT-2 I just don't know. Everything to me looks like watercolors at 100%. Edge detail is pretty lacking really. The edges of the letters in the color wheel are noticeable to me the most. I thought it might be ACR, so I tried looking at the camera produced JPEG and its really about the same. A disappointing result frankly. Based upon this I see zero benefit to X-trans (the colors look about the same as bayer to me) or Foveon. Crops: L to R SD1->SDQ->XT-2->K-1

https://drive.google.com/drive/folders/0B1eWDCDJ8MQsNFB2SDVuOFEybmc?usp=sharing

Link | Posted on Dec 15, 2016 at 23:55 UTC as 16th comment | 10 replies
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

ser dpreview: With nine AF points does not go very far

I only need one. 9 is overkill. edit: ok sometimes the ones on the side near the third lines can be useful depending on the situation. I've never really needed them though.

Link | Posted on Dec 15, 2016 at 21:53 UTC
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

turvyT: A very interesting and attractive camera. Will it work with other makers lenses or the long flange distance will prevent it?

It is SA mount only which has a long flange distance. To be fair you almost need Sigma lenses that were designed for the sensor for maximum effect.

Link | Posted on Dec 15, 2016 at 21:51 UTC
On article Sigma releases price and availability for sd Quattro H (369 comments in total)
In reply to:

Manzur Fahim: I want one. I hope they will have a X3F + DNG option so we can try them in different software and see the differences. Also Sigma should enable DNG recording in all other camera through firmware update :)

It is supposed to have DNG support. A wise move by Sigma for sure.

Link | Posted on Dec 15, 2016 at 21:50 UTC
On article Hands-on with the Sony Cyber-shot RX100 V (237 comments in total)
In reply to:

NaBalam: $1,000 for a compact p&s? You can get a propper DSLR (D7100) with lens for that price. That's just crazy. Only Leica is allowed to ask stupid prices for stupid products. Even God knows that.

That D7100 is going to be awesome with no lens.

Link | Posted on Oct 7, 2016 at 16:31 UTC
On article Throwback Thursday: Canon EOS D30 (132 comments in total)
In reply to:

bobbarber: OFF TOPIC--

Can somebody clear up a point of confusion for me?

I shot film for years (my first camera was a Polaroid I got in the mid-1970s), and then switched to digital like the article describes.

Here's my question: In the years when digital cameras "didn't exist," how was live T.V. produced? Obviously it wasn't film. What was the technology?

Television shows were mostly filmed. There was ok quality video from the late 79s on, but most productions used film. CCD based video cameras provided the Genesis for digital still imaging. The first digital cameras were basically modified video cameras that used frame grabbers for still capture.

Link | Posted on Oct 7, 2016 at 16:00 UTC
In reply to:

Chris Yates: It seems just about everybody can do just about anything via firmware except Canon. :(

K3 and newer have exposure preview in live view. You are wrong.

Link | Posted on Oct 4, 2016 at 13:38 UTC
On article Photokina 2016: Hands-on with Sony a99 II (441 comments in total)
In reply to:

Nigel Tafferham: The 'Hybrid Cross Type' AF is what I expected on the Canon DSLRs which have both external PDAF and on sensor DPAF, but AFAIK they do not - 1DXII & 5DIV.

If sufficient processing power (maybe not on 5DIV, no excuses for 1DXII) then it should not slow down very much the complete AF process - but maybe we will hear more about the Sony 'Hybrid Cross Type' and how speed relates to accuracy.

Looks like a nice expensive cam !! How about those mega buck lens though ???

The reason they have hybrid AF is because the mirror is fixed and allows light to pass through to the sensor as well as reflecting some light into the PDAF sensor. It uses both systems in conjunction. A DSLR has the shutter closed and relies purely on the accuracy of its PDAF sensor. The benefit of dual pixels is much faster autofocusing in live view as well as while recording video.

Link | Posted on Sep 22, 2016 at 02:19 UTC
On article Photokina 2016: Hands-on with Olympus OM-D E-M1 II (654 comments in total)
In reply to:

Mike FL: Barney Britton or any DPR people over there;

Can you please ask Olympus why the ISO is fixed at 200 for HDR?

That is likely the native ISO of the sensor.

Link | Posted on Sep 22, 2016 at 02:11 UTC
On article Special K? Pentax K-1 Review (2655 comments in total)
In reply to:

Class A: The K-1's sensor was measured by DxOMark. They call it a "Full-frame marvel" and it currently sits at 4th position in the overall ranking, beating cameras costing almost twice as much.

In all measurements the K-1 beats the D800 and even D810 at the same ISO setting. Only because the D810 has a lower ISO setting (64 rather than 100), it receives a higher dynamic range score.

A (real) lower ISO setting is of course a legitimate advantage (the Pentax K-5(II) put a lot of APS-C competitors behind it with its ISO 80 setting), but it is still impressive what Pentax manages to get out of that sensor for the supported ISO range.

The K-1 is even very close in performance to the leading Sony models with their high-end 42MP sensor. Another testimony to the fact that the Pentax engineers did a marvellous job!

Because sensor scores are not the entire picture. A camera is the sum of its parts and that includes the lens as well. There may be some inherent bias that the reviewer is unaware of as well. You should use the camera you like the most and ignore what reviewers think of it. How you feel is the most important part. When people ask me what camera to buy I generally tell them they should get the one that fits best in their hand. That's the important part. Thankfully pentax cameras fit really great in my hands.

Link | Posted on Sep 16, 2016 at 17:49 UTC
On article Striding Forth: Canon EOS 5D Mark IV Review (2102 comments in total)
In reply to:

yoms: When shooting through the viewfinder, is face detect option available in all AF modes?

If I use "Single-point Spot AF" for instance, can I enable face detect so that the camera automatically select the AF point closest to the face? Would be time saving.

No. That only works in live view.

Link | Posted on Sep 15, 2016 at 13:42 UTC
On article Pentax K-70 added to studio test scene (36 comments in total)

Quit comparing jpegs people. Compare the raw. That is where the magic lies. The K-70 is a stop better than the K-3 at high ISO and the raws clearly show that. Impressive.

Link | Posted on Sep 6, 2016 at 13:16 UTC as 2nd comment
Total: 243, showing: 1 – 20
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