February 28, 2015, 04:19:49 PM

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Messages - Jim Saunders

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Speedlites, Printers, Accessories / Re: Canon st-e3-rt problem
« on: February 18, 2015, 06:45:44 PM »
Check that the ST-E3-RT is seated all the way on the hotshoe, I've had occasion where a flash was seated well enough to fire the flash as if it was set on manual but not well enough to get all the electrical contacts to mate so it would fire in ettl.  I did learn a lot about manual flash before I figured that one out though...

Try one flash on your camera as master and one as a slave; if that works then it suggests you camera isn't talking to your transmitter.


Software & Accessories / Re: Adobe Lightroom 6 Coming Very Soon
« on: February 18, 2015, 06:40:21 PM »
Tighter integration with PS makes it worth trying, but I'll need good reason to commit and at this stage I don't see the case.  We'll see.


Lighting / Re: Flash equipment for Portraits & Events
« on: February 18, 2015, 06:36:39 PM »
I'm glad you found some kit you're happy with, I'm curious to hear you the lights hold up.  Two or more lights together can share the burden so they recycle faster, for some activities that helps a lot.


Third Party Manufacturers / Re: tamron 17-50 sharpness issues
« on: February 17, 2015, 06:58:04 PM »
I had one I was happy with as received, but good on you for making yours work like that.


They are interchangeable used alone; there may be a small difference in capacity (in terms of total energy stored but not output voltage) but the big difference is that the N batteries are manufactured to newer standards for lithium batteries.

If you shoot rapidly I'd be curious to see if one gets warmer than the other, but other than that I'd try it.  If there was a meaningful safety issue Canon would have made them so they weren't interchangeable.



I see that some of the higher end monitors have "self-calibration" tools, or are "factory calibrated". I guess that the hardware calibrator takes into account ambient light as well, am i correct? What do you mean by "proper lighting"?

I would need to get another another monitor anyway, because the one i have now lacks tilt/height settings, and i either have to sit straight and get weird colors, or hunch the back to get a correct angle of view. :P
3rd party monitor stands cost as much as monitors, so i guess i'm better off getting a new monitor. The hdmi on my motherboard supports a maximum resolution of 1920x1200, so going higher than that would require a dedicated video card.

The bucks-up self-calibrating ones will monitor (sorry) themselves, but the calibrator device only sees one part of the screen where with an external calibrator you can spot-check the entire display for uniformity.  Factory-calibrated is great for when the display leaves the factory with a few minutes' run time, but I wouldn't take much from it.

The lighting in your room (which will mix with the light coming from your display) will affect your calibration, I can't tell you what is ideal but I have white walls in my office and it is lit with GE Reveal incandescent lamps which seem to work well.

The i1 display pro I have can measure screen flare as part of the calibration process, and it can monitor ambient light level (if perhaps not colour) and adjust the brightness to match.

Finally I've found HDMI troublesome for getting calibration routines to deliver good results where DVI has worked; that is only my experience though, your results may vary.


Software & Accessories / Monitor connections - DVI vs. HDMI vs DP
« on: February 16, 2015, 12:18:55 AM »
I've noticed in my experience that connecting the same display to the same adapter gets different results depending on the use of DVI or HDMI; with DVI it calibrated properly and with HDMI it didn't.  So two questions:

1. Has anyone else seen this?
2. Has anyone seen this and had DP for comparison?

If HDMI is troublesome and DP 1.2 allows daisy-chaining, it seems in my innocence the way to go for my next monitor.


I agree with the remarks about a calibrator.  I have an LG 27EA33 (out of production now) and an x-rite i1 pro, you can get both well within your budget and be at that comfortable point between getting good performance without getting into diminishing returns.


Lenses / Re: Schneider 28mm Tilt Shift
« on: February 16, 2015, 12:11:23 AM »
That the collar has an ARCA-Swiss foot and holds the objective end still while the camera moves is a plus.

Having said that there had better be some stellar press (notably absent for their 50 PC-TS) to justify that sort of money.


Portrait / Re: We, The Photographers......Self Portaits..a Who's Who on CR
« on: February 16, 2015, 12:04:57 AM »
That'll teach you for asking.

The 5Ds and 5Ds R are sister products, and were released at the same time.


Lenses / Re: Please give me an advice for an prime lens 300/400mm
« on: February 14, 2015, 06:14:53 PM »
Try a 300 f/4 and see if the extra stop is worth the weight and size; I had one and miss it.  The 2.8s aren't monsters but the f/4 is light enough to hand-hold. 

Now to wander back to the question you actually asked, I don't know how the two lenses you mention compare without extenders but the 400 would do well to match the 300 f/2.8 (IS II) never mind improve upon it.


EOS Bodies / Re: What is the physical size of the 5Ds sensor?
« on: February 12, 2015, 10:21:10 PM »
To speculate, it's the same package as I expect an awful of internal dimensions are set to accommodate it.  The interface to the board may well be different though.  Canon could create a different size, but if they're tooled for one size now I don't think they'd change it unless they were going to stay with it for the future.

Call that like CR 0.01 or so.


These P.FN do not reset with "clear all custom functions"

Back to full functionality

I would have thought they would reset too, but good to know.


The obvious next question:  How do we make it work with studio lights?

The receiver has a PC sync port:

"As well as firing manual studio lights and speedlights via the YNE3-RX’s PC sync port."

There is that but I'll wait for at least manually adjustable power; it should do grouping as-is though.


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