October 02, 2014, 07:27:32 AM

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Topics - Marsu42

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16
The day before yesterday I was surprised by a thunderstorm and shot with my 6d (and a sealed 70-300L lens) for about 5 minutes in the rain. I did my best to still protect the camera and wrapped some cloth around it, but some rain hit it. Afterwards I dried it with a towel as good as you can in a thunderstorm and stored in a waterproof bag.

Problem 1: The back buttons (Q/INFO) and the joystick buttons started malfunctioning after a very short time after the rain began. I have not experienced this behavior with my 60d.

Problem 2: Yesterday the camera broke down completely after some minutes of reviewing pictures - it's now at Canon service and I hope the warranty covers it. I had put it in a dry place over the previous night, but didn't use the "rice bag" method.

Question: What are your experiences with the 6d and wet conditions? Was I just very unlucky? I know the 6d sealing level is well below the 5d3 (which itself is way below a 1d), but after this experience I'll have to tread my 6d as I would a Rebel :-\

17
Photography Technique / UWA odd angle postprocessing howto
« on: July 08, 2014, 07:51:38 AM »
Since I've got a ff and my 17-40L I'm more and more leaning to the wide end because the results look interesting to my eye.

Problem: I often have difficulties finding a horizon or post-processing rotate angle that looks ok-ish. This turns out to be most difficult if it's an odd-angle shot and there are no orientation lines or the lines aren't right angle themselves (like skew trees in the background or a sloped/non-even horizon on a hill).

What I'm doing is right now is subjective trial and error ("nah, another 0.1 degrees clockwise") but whenever I look at it again it still seems to be somehow odd. Most annoying is that a "gravity down" approach with the camera's sensor also doesn't always look correct. To me :-p

Question: Do you know or have developed any guidelines on how to find the "best" post-processing angle? Do you often do tse-like perspective correction on these shots? Or do you simply accept the fact that these shots never look right unless you're there and your body know where the gravity is?

18
With all this never heard of and exciting 7d2 news on CR </sarcasm> I wonder about one thing: How long does it take for Canon to assemble a "pre-production" camera body or lens -  and what is this anyway? Near production or held together by super glue? And are Canon parts so compatible they can just stick together all parts at will, or do the components need month of fine-tuning and adjustment to work?

Bottom line of the question is: Do the existence of "pre-production" models mean anything concerning a release, or are they as worthless as the patents that are posted on CR every once in a while?

19
Portrait / Mobile studio portraits - am I doing this properly?
« on: June 02, 2014, 08:32:38 AM »
I did some standard portraits the other day for a guy who wanted some shots for an agency's stage background actor portfolio... that's why I tried to go for some Hollywood style with expression from earnest to smiling.

I had a plain background that happened to be available, an umbrella next to him, one flash on bracket and one flash below. The eye reflection didn't work out at all because the flashes weren't in the proper position, I need more flash tripods and a hairlight in the back. The eyes also aren't 100% in focus, obviously my lens needs some afma for that distance. Other than that, I know next to nothing about portraiture, so I'd like to ask for some feedback - thank you!

https://www.flickr.com/photos/83678576@N02/sets/72157644563132698/


20
Last weekend I shot some frogs in a pond, setup was my trusty old 60d, a 100mm macro-cpl and a flash for fill on a bracket (to quickly switch from left to right). I was using Tv with max. x-sync of 1/250s and iso 800, the max. you can get away with on corp. The resulting Av was usually f6.5-f11-ish.

Since I'm planing to go there once more next weekend if the weather is ok, I'd like to ask you all for some feedback on what I can improve - framing, lighting, postprocessing, everything really since I'm still learning to do stuff. One thing I'm not entirely happy about is the double reflection from sun and flash, but this cannot be helped since I need the fill flash in noon light?

Note that these are live, happy and free frogs. Thanks for any feedback and helping out!

21
Photography Technique / Thin dof posing/shooting advice
« on: April 30, 2014, 07:25:35 AM »
I'm currently shooting street people with their pets (well, dogs mostly, though I'm still looking for rats :-p) for a charity animal doctor project - a line of work I'd like to expand upon. Something like this...

(Edit: url removed, I've got a model-release agreement, but still don't want to link them over the net.)

"Problem": Now that I've got this shiny new full frame camera I have come to realize that I cannot get two models at once into the dof, at least not if one is an animal. I always end up shooting @f9-f11 for safety which kills the bokeh and has a distinct mobile phone look (well, my lens is white). Since I like the compression I'm usually using 100-200mm with my 70-300L.

Question: How do you big f2.8 people do it?! I try to get the models into one focal pane, but this really limits the choice of positions and micro-guiding the scene looks less natural. Do you seasoned photogs have any kind of advice on how to get some nice background blur in combination with in-focus shots which are usable at a larger print size like a calendar?

22
Technical Support / How (not) to clean the phase af array & vf screen?
« on: April 23, 2014, 03:36:58 PM »
I'm shooting outdoors a lot and my 6d has gotten quite dirty - as I just learned this might be the reason why the outer points have such a mediocre performance. I clean my sensor all the time, but have never have done this with the af array and vf screen (shows a lot of dust specs).

My first idea would be the rocket blower, but if that doesn't help is there anything I should *not* do to clean these? I faintly remember someone writing the matte vf screen is very sensitive and improper cleaning can ruin it...

23
Technical Support / Err 30 (stuck shutter) once - get it serviced?
« on: April 08, 2014, 03:21:20 AM »
Today when shooting quick series of shots I had a err 30 on my 6d (with hss flash, if that matters). It went away after a power cycle.

I researched the net and at this stage it doesn't sound too serious, but do you think I  try to get it services anyway as it's under warranty with cps? Or will they tell me "Well, we did a few test shots and everything's peachy"?

24
Not only 4k with global shutter, but they obviously had a good look at 5d3 Magic Lantern: 12ev dynamic range with 12bit raw recording (should keep data rate a bit down vs. 14bit ML). And it has a swivel screen :->

http://www.blackmagicdesign.com/products/blackmagicursa

25
I know this isn't exactly a LR forum, but in the abscence of a 7d2 or 35L rumor for over a week :-p probably someone can help:

My workflow contains exporting to different aspect ratios for screen and print (2:3, nearly 2:3 paper size, 16:9, 16:10, sometimes 4:3). Problem is that with Lightroom, I currently have to add another virtual copy, crop it and sync all changes from the master (there is a commercial plugin for this) to the copies. All in all, quite a pita.

Is there some smarter version to have different crops in a single LR shot and export all these cuts in one go, most likely via a plugin I'm not aware of? Am I the only one with this annoyance, do you only export 2:3 and everything's peachy?

26
EOS Bodies - For Stills / Magic Lantern enhances 6D GPS
« on: March 28, 2014, 03:35:42 PM »
Good news for us 6d folk: The ML devs have finally figures out how Canon stores their gps values and are on to adding features, I hope we'll get some basic gps tracking ("car finder mode") or even real geocaching soon.

For the time being, nightly adds a power saving option so that gps is turned off at power down and automatically turned on again on power on ... no dead batteries anymore :-)

http://www.magiclantern.fm/forum/index.php?topic=3904.msg109221#msg109221

27
Software & Accessories / Magic Lantern for 5d3 1.2.3 released
« on: March 16, 2014, 10:32:28 AM »
For the big money crowd with the most expensive camera supported by ML :-p

From http://www.magiclantern.fm/forum/index.php?topic=11017:
Quote
- bootflag issue solved!
- installation is really easy (simply unzip the files on the card, update firmware and you are ready to go)
- uninstallation is equally easy (update firmware and follow the instructions)
Imho anyone not using ML should go buy a Nikon :-) ... As usual download it here: http://builds.magiclantern.fm/#/

Edit: Anyone wanting to try ML on 6d 1.1.3 look here: http://www.magiclantern.fm/forum/index.php?topic=3904.msg106787#msg106787

28
Fyi: Mirrorless seems to gain ground, are the days of the high-speed flipping mirror almost over? Interesting to imagine what will be in the v4 if they keep improving these with the current speed...

http://www.nikon.com/news/2014/0313_dslr_01.htm

Quote
The superior performance with tracking of moving subjects is made possible with 105 focus points when phase-detection AF is used and 171 focus points when contrast-detect AF is used. 105 densely packed focus points positioned over a broad range of the frame ensure precise acquisition of moving subjects. At approximately 20 fps, the Nikon 1 V3 also boasts the world's fastest*1 high-speed continuous shooting rate with AF tracking, as well as high-speed continuous shooting at up to approximately 60 fps when focus is locked. This, as well as the world's shortest*3 shooting time lag ensures fast and precise focusing on moving subjects. What's more, the Nikon 1 V3 offers an operational system that users of digital SLRs will find familiar. It is also the first Nikon 1 camera to be equipped with a vari-angle LCD monitor that enables flexible shooting from any angle, new intuitive touch-screen control that is easy to use, and built-in Wi-FiĀ® capability for simple transfer and sharing of high-quality images.

29
EOS Bodies / 6D 1.1.4 Firmware upgrade sighted!
« on: March 08, 2014, 01:20:51 PM »
One 6d owner got his 6d back from service with the new fw, but we don't know what's changed yet (see http://www.magiclantern.fm/forum/index.php?topic=5530.msg105576#msg105576).

This is your chance to say "I told you so!" after release - vote what the latest hot update from Canon will feature, or write any other items you think will be added in this thread!

30
I just managed to catch the next injury through lack of technique, a (light) buritis on my elbow. The cause was me leaning with my elbow on frozen ground too long too often while photographing wildlife. I underestimated this though I generally know about the danger and dampen my knees.

Since is the second time I run into something like this I wonder what's next, i.e. how to prevent what I don't know yet. Are there any other common injuries caused by lack of technique and how to avoid them? I'll start the list. For jokes please feel free to start another thread, I'm serious about this.

1. Buritis on knees and elbows - don't knee or lean on hard ground w/o protection: https://en.wikipedia.org/wiki/Olecranon_bursitis

2. Tenosynovitis when trying to hold too much camera weight improperly (fingers, wrist w/o camera strap) - always balance the weight with both arms or use a monopod: https://en.wikipedia.org/wiki/Tenosynovitis

3. ...?

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