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Messages - Aglet

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Canon General / Re: Help design a time lapse rig
« on: August 28, 2013, 12:00:09 AM »
Might just be me but those great videos made with time lapse and camera movement are starting to all look alike.

Add the ability to do non-linear camera speed on that rail in the process and that'll be a nice feature.
Think like an engineer. :)

- pan-tilt ability too, also non-linear
- software that can help set up the shoot by automatically calculating the necessary movements, like pan-tilt and motion for precise tracking of sky or very close subjects.  Could base it partly on GPS & compass direction data from tablet/cell phone.  iOS/Android app to do all that and DL the data to hardware controller.

I'll add more if I think of it.

Canon General / Re: is expensive sensor tech paying off?
« on: August 27, 2013, 11:57:40 PM »
Well, if you consider their new, low-cost a3000, they could be looking to grab a bit more of the low-margin, high volume consumer end of the market... And they might at that price!

PowerShot / Re: Canon PowerShot G16 Announced
« on: August 26, 2013, 10:41:48 PM »
dpreviews published test shots show its hi ISO is improved over the G11/12 by a considerable amount.
Also, the faster lens makes for slightly shallower depth of field ability.
not yet sure I'd buy one, my G11 still does what I need it for, but the 16 would allow me to do a few more things with it.
.. and a few less w-o the swivel display.

EOS Bodies - For Stills / Re: 70D features vs 60D
« on: August 26, 2013, 02:38:13 AM »
CAMERALABS guy is posting his in-progress, production-model 70D review.  Not a lot there yet but the video AF looks to be pretty decent for those who need such.


12 There are almost no zooms that can resolve the 24.3 mp FX sensor well in current Nikon zoom line (maybe the 70-200VR2 and  200-400f4VR2 are fine), so if you are zoom shooter , you are wasting much potential resolving power of the high resolution sensor of the Nikon. I , in fact , recommend Zeiss  primes and 70-200mmf2.8VR2 for the Nikon , nothing less than that is really good enough for that sensor. the Nikon 24-70mmf2.8G ED , 16-35mmf4VR , 24-120mmf4VR, the 70-200f4GEDVR are all useless , they were great on 12mp generation bodies but not on the D800E or D600.

I can pretty much agree with your whole post but have to say the Nikon 70-200/4 VR that I have on my 800e delivers excellent sharpness in a much smaller lighter package than the new 2.8 and will much less focus breathing as well.
OTOH, the Nikon rep did have to remind me that, "it's a consumer-grade lens, not a pro lens," so basically stop complaining that VR doesn't work for long at -20C.   :-X
I still have a quibble with it on image quality but knarly bokeh in transition zones is not uncommon on some lenses in this range.

HDR - High Dynamic Range / Re: Post your HDR images:
« on: August 22, 2013, 01:26:33 AM »

I DO like this one, very good.  Sets the imagination stirring.

PowerShot / Re: Canon PowerShot G16 Announced
« on: August 22, 2013, 01:24:22 AM »
no GPS? seriously!  ???

Zactly what I was just wondering... 
Don't want to carry another device to geotag after a WiFi xfer, may as well just shoot the geotagged shot w the tablet.

Landscape / Re: Beautiful sunsets
« on: August 20, 2013, 03:11:54 PM »
Believe it or not, neither one modified in post AT ALL

I B'lieve! :)
I love good sky and, when the atmosphere's just right, even OOC jpgs look great.  Here's a partial sample from a series I took a couple weeks ago.  Incredible colors, for a while it was like a caramel candy fantasy.
I skipped some socializing to capture these.  Fortunately my friends understand and even saved me some supper. :)

EOS Bodies / Re: Canon 6D Under-Exposing?
« on: August 15, 2013, 06:37:22 PM »
I have not had issues between metering modes and within a same scene.  It's just dark, and if indoors, off color.

I haven't played much with a 6D but still find that is unexpected behavior.
Everything that I've used with that 63 zone metering sensor has provided excellent metering and AWB.

Can you compare your 6D with another, side-by-side, same lens?

EOS Bodies / Re: Canon 6D Under-Exposing?
« on: August 15, 2013, 06:30:42 PM »
Good to hear the 7D2 is reliable and accurate. That's going to keep a lot of people happy in the future  ;)

HAHA!  Good of you to jump on that typo (fixed).
so many multigenerational devices...
Still hoping a 7d2 is going to be impressive for more than its forebear's metering.

Meanwhile, back to metering SNAFUs...

EOS Bodies / Re: Canon 6D Under-Exposing?
« on: August 15, 2013, 04:19:57 PM »
I've found various bodies to expose with various levels of error, no real surprise.

What I find more annoying tho, is an inconsistent error on any given body.

new Pentax K52s with fast zoom and sunlight.
- matrix metering is within 1/3 of Sekonic
- CWA and Spot on the same uniform surface are -1EV from matrix

I thot this may be due to the effect of lens corner shading in matrix EXCEPT that if I move to an indoor location, again on a smooth surface evenly lit by natural outside light thru windows, all metering modes are now the same result!

FWIW, my K52s underexposes considerably and inconsistently when outdoors in sunlight, no matter what metering mode I use and even sunny-16 numbers do not provide proper results but are often nearly 2 stops under...  I need to get that thing checked out...  I can usually rely on full manual giving consistent results but I have to go by the histogram as the metering's too wonky.  Same behavior with various lenses so not sure what its problem is yet, aperture control lever calibration?..  Have to find some time for detailed testing.


My D800 does the same -1EV shift in sunlight when changing between metering modes as the K52s but its matrix mode does a very good job for all my shots and rarely under or over exposes by much in complex scenes and is predictable in low dynamic range shots.

My old Canon 5d2 often underexposed a great deal and again, inconsistently.  It occasionally over exposed a scene grossly too, even with no change of scene and from shot to shot.  Manual was the only way to get consistent shot-to-shot results.

my 60D and 7d gave remarkably accurate and consistently good metering (&WB) and also agreed very well with my Sekonics or sunny-16 when in manual. 40d gives consistent and predictable metering, even if not accurate.

All my consumer grade bodies, Canon and Nikon, actually seem to meter quite predictably and consistently, if a little conservative at times so they rarely clip highlites or underexpose by much.

So...  not surprised to hear that a 6D underexposes a bit.
But how consistent is it between metering modes and various light levels?
and shot-to-shot on the same scene?

« on: August 15, 2013, 02:34:20 AM »
Their latest lenses are IQ competitive with the best OEM and the performance/cost ratio is very good too.

I've never experienced tardy service from Canon Canada but if Tamron's trying to make 3 day turn-around service on their lenses that's gonna be a bit irksome to the likes of Canon and Nikon who will only expedite service for their paid-up pro members.

story found on I-R


Has anyone else seen this announced anywhere?

Pentax K-01 or any of the recent Fuji X series will kick butt for low ISO DR.

EOS Bodies / Re: 70D what do you think?
« on: August 09, 2013, 01:19:31 PM »
The noise has never bothered me in these things it has always been the banding.

I'd have kept my 5d2 and 7d if it were not for the plaid/stripes.
FWIW, the 5d2 felt pretty crude in some ways anyway so I certainly don't miss it as much as the 7d.

I'm also interested in seeing whether the outer area of the 70d sensor that is NOT dual-sensel equipped will provide a slightly different noise pattern than the main area.
I can sometimes make out the crop area of my d800's sensor IF I do things just right and push it really hard from a dark frame shot; and that's not as much of a structural difference as dual vs single sensels.

I'll do a lens cap shot as soon as I can get my hands on a 70d.  I'd like to see how much better it may be than my 60d in terms of FPN.

EOS Bodies - For Stills / Re: More body upgrade from 40d questions???
« on: August 08, 2013, 06:11:55 PM »
100-400 is a decent lens, certainly worked well on a 7D but a little less effective on my 40D.
60D works OK with it but falls between 40 and 7 in performance and accuracy from my experience with those combos.
I'd certainly consider the new 70-300L tho, it just wasn't around when i bought the 100-400mm.

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