William Koehler

William Koehler

Lives in United States Alpharetta USA, United States
Works as a Software
Joined on Dec 12, 2005
About me:

Pentax K-01, K-x, *ist-DL
Pentax ZX-5n, K1000
Plenty of lenses...
Canon HF-G20, HF-S200, Sony HDR-HC9, DCR-TRV320
Adobe Photoshop CS5.5
Sony Vegas Pro 11

Comments

Total: 75, showing: 1 – 20
« First‹ Previous1234Next ›Last »
On Sony SLT-A77 II First Impressions Review preview (629 comments in total)
In reply to:

ABracken: I'l wait for the hasselblad version!

...and then complain you can't afford it.

Direct link | Posted on Aug 4, 2014 at 00:25 UTC
On Sony SLT-A77 II First Impressions Review preview (629 comments in total)
In reply to:

Underdog 3000: Looks like a great camera down to 1 EV.
Too bad its HUGE

HUGE - compared to what?

http://camerasize.com/compare/#153,31

Direct link | Posted on Aug 4, 2014 at 00:08 UTC
On Sony SLT-A77 II First Impressions Review preview (629 comments in total)
In reply to:

Simon jackson: dumb question but vs a6000?

For those into DSLR class video, the Sony A6000 has no mic or headphone jacks so it is less useful standalone.

Direct link | Posted on Aug 3, 2014 at 23:49 UTC
On Panasonic Lumix DMC-FZ1000 First Impressions Review preview (1282 comments in total)
In reply to:

PatrickP: Sony really need to up their game with a RX10 Mark II. I had shot with a RX10 for a while and the biggest problem is
1. Continuous AF really sucks, despite having a very bright lens.
2. The lack of a better codec for video. Sony need to put their 50Mbps AVC-S codec found on the A7S or even the small action cameras on RX10 II. I would also gladly take 50/100 Mbps MP4 found on the GH3/GH4.
3. The stabilization can be better.

A lot of folks bought the RX10 as a video camera and with panasonic finally realizing their cameras (GH3/GH4) shoot better video than almost everyone else Sony really need to catch up.

I understand your desire but the Panasonic GH3 & GH4 & Sony A7S with a nice lens are 2x - 4x the price and so are really a distinctly higher class of camera. And I have seen plenty of stunning footage shot with the RX10. If you don't want it send it to me!

Direct link | Posted on Jul 9, 2014 at 05:15 UTC
On Panasonic Lumix DMC-FZ1000 First Impressions Review preview (1282 comments in total)

"Earlier this month the Panasonic Lumix DMC-FZ1000 joined the RX10 in this newly-minted category boasting almost certainly the same sensor and a 25-400mm equivalent F2.8-4 lens."

I think it is highly doubtful that Panasonic is using a Sony sensor. Same size yes, but not the same sensor.

Direct link | Posted on Jul 9, 2014 at 05:08 UTC as 50th comment | 4 replies
On Sony SLT-A77 II First Impressions Review preview (629 comments in total)

A handy specification to include would be maximum video clip length(time).

Direct link | Posted on May 2, 2014 at 00:15 UTC as 53rd comment | 3 replies
On Sony SLT-A77 II First Impressions Review preview (629 comments in total)
In reply to:

Gesture: These cameras are so refined, full-featured, technolgically advanced. What's the "end game" of the modern camera?

There is no end game. It is the treadmill all of them walk. If there were an end game, then the cameras would become commodities and at least half the manufacturers would go out of business.

Direct link | Posted on May 2, 2014 at 00:08 UTC
On Sony Cyber-shot DSC-RX10 Review preview (491 comments in total)
In reply to:

Franka T.L.: Personally I am looking forward to the NX-Mini with that 17mm fast standard , if I were to shoot mostly wide the RX100-II might be the one to had, but then why don't I just get the Ricoh GR or Nikon Coolpix A instead.

The RX10 is a rather nice piece of ware , pity Sony spoil the fun with that under par Video. Hey Sony is telling us that we can have 4K inside the smartphone ( that do a zillion of stuff ) and yet a more pricey and dedicated platform like the RX10 don't !!

It bears noting that the GH4 is also in a very different price class, $1700 without a lens. And that higher bitrate option means the per second storage requirement goes from 3.5 MBps to around 14 MBps, or instead of ~14 GB/hour it is now ~110 GB / hour. I'm betting a lot of folks would have an issue with that.

Direct link | Posted on Mar 27, 2014 at 20:33 UTC
On Sony Cyber-shot DSC-RX10 Review preview (491 comments in total)
In reply to:

KrisAK: I'd cancel my order for the GH4 in a heartbeat (I'm primarily interested in video), except:

-- No high-bitrate recording options for 60p (or anything else internally)
-- The 29-minute runtime limit

Sony, the GH4 ships in about a month, so you've got approximately 4 weeks to come up with a firmware fix. You know where I can be reached.

@ Camley

I do this but with multiple cameras to give edit options in post. Think a concert with a fixed wideshot, left, center, and right orchestra cameras, plus the one camera I'm actually behind. Once the event starts moving around isn't always an option. And the fixed cameras had better keep recording for the entire event and I will then edit together all of the above in post. You can take the same approach to weddings as well.

Direct link | Posted on Mar 27, 2014 at 20:19 UTC
On Zeiss announces Compact Zoom CZ.2 15-30mm T2.9 lens article (62 comments in total)
In reply to:

AndreSJ: Compact??

It's a relative term. By their standards, not necessarily yours.

Direct link | Posted on Mar 27, 2014 at 19:56 UTC
In reply to:

CameraLabTester: No.14 tops them all.

No.5 is magical.

No.1 is total crap.

.

@CameraLabTester

It helps to remember that helmet shields curve far more left to right than they do top to bottom. So the fact that you can see one hand which is way to the side says little about the other which is ahead and below the shield, looking up. Indeed, looking at the right side and bottom of the shield you can make out a sliver of his arm. His hand would appear to be at the top edge & center of the helmets breathing port.

Direct link | Posted on Mar 26, 2014 at 10:05 UTC
In reply to:

Ivan Lietaert: ...every single frame from the DRAGON is 109meg

Does anybody take this fact into consideration?

@ ABisbano

That 16 bits would be per Color. And as there are three of them (R, G, B) Ivan is in fact very close (104 MB).

Direct link | Posted on Mar 7, 2014 at 02:17 UTC
On Panasonic announces 4K-capable Lumix DMC-GH4 article (118 comments in total)
In reply to:

MediaDigitalVideo: 4K video but I can't see any Cinema format 1 : 2,35

http://en.wikipedia.org/wiki/4K_resolution

Direct link | Posted on Feb 10, 2014 at 18:50 UTC
On Panasonic announces 4K-capable Lumix DMC-GH4 article (118 comments in total)
In reply to:

retartedcanuck: USB 2.0? Really?

Fortunately there is a solution: Pop the card out and insert into your computers/laptops usb 3.0 card reader. But especially for folks shooting video, that seems like an obvious oversight.

Direct link | Posted on Feb 10, 2014 at 18:47 UTC
On Using third-party lenses on Sony Cyber-shot a7 / a7R article (490 comments in total)
In reply to:

GXRuser: I have a simple question... Why not use pure Aperture Priority Mode with a fixed ISO. That should yield a better control of shutter speed.

Because with adapted lenses the camera body has no control of the aperture and the lens isn't telling the camera what the aperture is. So the camera body is flying blind on aperture. Shutter speed on the other hand is always controlled in camera.

Direct link | Posted on Jan 27, 2014 at 23:19 UTC
On Another Hasselblad rebadge or Photoshopped hoax? article (187 comments in total)
In reply to:

Photoman: Victor Hasselblad would turn over in his grave. Hasselblad have no imagination, no original designs (or designers just out of college) and no clear path to take them in the future. They are no different from a "West Coast Customs" business, were they build nothing, but tart it up and charge stupid prices. One day (maybe 5-10 years) dpreview will run an article after Hasselbald go bankrupt and "Where Did They Go Wrong?"

I don't think it is going to take 5-10 years.

Direct link | Posted on Oct 18, 2013 at 02:00 UTC
In reply to:

(unknown member): Looks like a very sharp lens but difficult to know for sure as your sample images are awful subjects to determine that and/or only one image is raw processed. It doesn't help either when you guys can't be bothered to rotate your images.

Come on guys; you can do better than that!

Nice subjects, photos appear in correct orientation. Mr. R Butler, the work and effort are appreciated. Great job.

Direct link | Posted on Oct 12, 2013 at 10:09 UTC
On Pentax K-3 preview (961 comments in total)
In reply to:

johnmanoah: When talking about innovation, why aren't these companies considering these easy-to-have innovations?

1. Rotatable (up/down) flash head - so that we could bump the flash to a ceiling or elsewhere. Currently, the in-built flash forces light upon the target which usually results in bright spots or over exposure

2. 3G sim card slot - so that the camera is connected to the internet and sharing/storing is simple

3. Bluetooth

4. Touch screen

Ricoh/Nikon/Canon - Are you listening?

@ fs750

I suspect that manufacturers have gone to wifi instead of Bluetooth because: a) Every laptop & tablet has wifi, Bluetooth is more hit-and-miss. b) Free wifi is almost everywhere so if the target is connecting to and uploading to services on the internet, talking TCP/IP from the get-go just makes more sense.

Direct link | Posted on Oct 9, 2013 at 03:05 UTC
On SanDisk introduces first CFast 2.0 memory card article (58 comments in total)
In reply to:

HowaboutRAW: Does this new CF card design use pins within the camera? SanDisk, and camera makers, need to be really clear on this point.

Pins are trouble. And of course neither the XQD cards nor SD cards use pins.

Read the press release.

Direct link | Posted on Sep 17, 2013 at 02:14 UTC
On SanDisk introduces first CFast 2.0 memory card article (58 comments in total)
In reply to:

Joe Ogiba: Sandisk is pricing their new 256GB 160MB/s CF card at $1,809.99 and the small 16GB version at $219.99 and it looks like this will cost even more.

I paid $18.95 w/FS for a two pack of 16GB 94MB/s Sony Class 10 UHS-1 SDHC cards at B&H that is more than fast enough for my current cameras shooting 1080p60 etc. The new UHS-II SD cards are coming out next month with up to 312MB/s speed so I don't see any consumer camera needing more than that even for 4K. The ARRI ALEXA XT camera body pricing starts at $78,558 so the cost of CFast 2.0 cards is not a problem for ARRI users.

@ HowaboutRAW

The Canon HF G30 shoots AVCHD/MPEG4 at a max 35 Mbps which works out to 4.25 MBytes/sec. No strain for Class 6 or 10, much less USH-I or UHS-II.

Direct link | Posted on Sep 17, 2013 at 02:09 UTC
Total: 75, showing: 1 – 20
« First‹ Previous1234Next ›Last »