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Messages - neuroanatomist

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6166
EOS Bodies - For Stills / Re: Rear AF button
« on: May 27, 2013, 07:11:11 AM »
The only flip side is if I have to give my camera to someone for taking a one of photo of me in a group photo. I have to explain to him/her how to "differently" operate my camera than he/she normally does his/her point and shoot.

Green square mode overrides the back button AF setting so a half-press of the shutter will AF like people are expecting. If the camera is set to shoot in RAW, it still does.  So unless you have a 1-series body, there's an easy fix for that.

6167
If you mean the 2.8 IS II, get that. If you mean the MkI, get the f/4 IS and the 85/1.8 instead.

6168
EOS Bodies - For Stills / Re: 6D vs. 600D with good lenses?
« on: May 26, 2013, 08:08:37 PM »
In good light, it'll be hard to distinguish a 600D + 17-55 shot from the 6D + 24-105.  But if you have to raise the ISO above 400-800 or so, you'll notice the better IQ of FF sensor.  Since you mention street, if that's in the evening/night, the 6D will be better. Also, you mention portraits, so be aware the crop factor applies to DoF, too - to get the DoF of an f/2.8 lens on FF, you need an f/1.8 lens on a crop sensor.

Don't forget to budget for accessories. For the types of photos you list, I'd consider as mandatory:

  • A good tripod and ballhead. Manfrotto at a minimum, or Induro or Benro
  • A good circular polarizer, B+W if possible. Adds contrast and saturation, blues up skies, reduces reflections.
  • A 10-stop ND filter. Long daytime exposures to blur people out of architecture shots.
  • RAW conversion software.  DPP comes with the camera and is free, but not good for library management and kludgy to use.  Lightroom is a popular choice.

For the filters, it's a good idea to get them in the largest size you think you'll need, and get step up rings.  If you see a 16-35 II or 24-70 II in your future, you can get 82mm filters now (I started with 77mm and step ups from 72mm, 67mm and 58mm, then had to re-buy in the 82mm size later).

My inclination is to recommend the 6D + 24-105. But, you should consider your total budget. The accessories on my list could total $1000.  A 600D + 17-55 with a good tripod is likely more useful than a 6D + 24-105 with no tripod or a cheap one.

6169
How about $28 for a Delkin skin, then slap on whatever cheap tape you want, maybe with a couple of paint splashes for good measure?

6170
EOS Bodies - For Stills / Re: Rear AF button
« on: May 26, 2013, 04:15:44 PM »
I always use back-button AF.  It's great in many One Shot situations. Where the distance-to-subject is not changing I don't have to wait for focus, I just snap.  If I've recomposed slightly after focusing, I can shoot many shots without moving the camera.  It's even better in AI Servo, where I can independently control focusing and the shutter.

6171
Canon General / Re: Desired fantasy gear
« on: May 26, 2013, 03:33:12 PM »
I'd like to see an affordable F4 super-telephoto from Canon.....well we are talking fantasy arn't we?
YES! And light too  ;D

Depends on your definition... After getting the 600/4 II, I've been considering the 300/2.8 II as an 'affordable' and 'light' option.   ;)

6172
Canon General / Re: Canon direct mail marketing
« on: May 26, 2013, 03:29:20 PM »
I don't agree they sent a useless brochure. If I recall correctly you have 2 daughters, so the 2 Rebels - which by the way are of different size - would suit them both!
(OK may be in a few years)
 ;D   ;D   ;D

Touché, Sir! 

My 5 year old daughter has been asking for a camera, and using the old S95 from time to time...so an SL3 might be just the ticket in a few years...

6173
Lenses / Re: Focus and recompose related question
« on: May 26, 2013, 02:17:23 PM »
Surely there has to be some computation of angles internally to identify the focusing plane in order to eliminate the back-focus.

Why does there have to be?  The point is, with a fast lens shot wide open, don't focus/recompose. Use an outer focus point so you don't have to move the camera.  With narrow apertures and/or distant subjects, the deeper DoF masks the backfocus, so focus/recompose is ok.
:)

Sorry, I don't doubt that it needs to be done. The programmer in me is curious about how it is implemented thats all.

Maybe I'm misunderstanding - are you suggesting that when an off-center AF point is selected on a Canon dSLR, the camera is performing some sort of algorithmic focus correction for the point being off-center?  I don't understand...

6174
Lighting / Re: Light stand recommendations/advice
« on: May 26, 2013, 12:07:11 PM »
Actually, with Manfrotto's new number system, the NSB doesn't mean "no sand bag required", it just means "no sand bag INCLUDED". (for those who have a case of nothing but sandbags sitting around and don't want more!). It's still supposed to be bagged when appropriate...

Obviously - I wasn't suggesting one isn't needed, just that it doesn't come with it.  As PBD points out, I've got the nice 10-lb clamp weight from my 024, for example.

My question was specifically because PBD linked the NSB version.

6175
EOS Bodies - For Stills / Re: View finder Help: Rule of thirds
« on: May 26, 2013, 11:48:49 AM »
Personally, I pretty much know where the thirds-points are without a grid or the AF points.

6176
Lenses / Re: Focus and recompose related question
« on: May 26, 2013, 11:44:13 AM »
Surely there has to be some computation of angles internally to identify the focusing plane in order to eliminate the back-focus.

Why does there have to be?  The point is, with a fast lens shot wide open, don't focus/recompose. Use an outer focus point so you don't have to move the camera.  With narrow apertures and/or distant subjects, the deeper DoF masks the backfocus, so focus/recompose is ok.

6177
Lighting / Re: Light stand recommendations/advice
« on: May 26, 2013, 11:39:36 AM »
PBD, how does the combi stand do as a boom without a counterweight?  I looked at them before, nice idea!  I was concerned about load (monolight use, sometimes) so I went with the 024 boom on the 1004 stand.

Neuro, bearing in mind all these loadings go out the window in wind and you need to be realistic with expectations, the 420 is perfectly fine with no counterweight a 600EX and the 24" Lastolite at modest extensions, certainly enough to clear the frame with a clam shell type lighting setup. But it comes with a bag (well mine did) and I have become quite adept at finding stuff to put in it, my favourite is oranges, everybody here has tons of oranges at their house! Or apples or cans etc etc, never used sand in it. With a counterweight I have had my 50" Apollo and three flashes in it on the 420, not the ideal setup, but it works fine.

Thanks!  The reason I asked, actually, was the boom you linked above was the NSB version, and NSB = no sand bag.   ;)  There's a version with the counterweight bag, runs ~$30 more.

Looks like Manfrotto has a rebate on, $45 back on items $150-250.

6178
Blinking orange?  Unplug the charger, remove and reinsert the battery, wait 2-3 minutes, then plug the charger back in.  If it's still blinking orange, call Canon.

6179
Lenses / Re: 24-105L Curved horizon.
« on: May 26, 2013, 10:51:50 AM »
Perhaps if I ran Windows, I'd use LR exclusively.  But I'm not a fan of Adobe's UI on the Mac.  I tolerate it for CS6 because there's no other option.  I prefer the native UI of Aperture. 

Since this thread is about distortion, I'll point out one more DxO advantage - volume anamorphosis correction.  Both barrel distortion and the normal corrections for it alter the shape of common objects at the edges of the frame.  It's often very noticeable with people - very few subjects appreciate the 'weight gain' from barrel distortion correction at the edges.  You can dial down the distortion correction to restore their proportions, but then you're back with curved lines.  That's where DxO's volume anamorphosis corrections come in. The presets are very good, and as presets, just one click to use.

Worth noting that while LR can't perform that sort of correction, DxO offers a subset of geometric corrections, including volume anamorphosis, as DxO ViewPoint - and it's available as a plugin for LR.

6180
Lenses / Re: Focus and recompose related question
« on: May 26, 2013, 10:15:18 AM »
Sorry, incorrect inference. There's no 'computation of angles' on a Canon camera. Using an outer AF point eliminates backfocus if it enables you to focus on your subject without recomposing, reduces backfocus if it means you don't move the camera as much to get the composition you want.

I state 'Canon camera' because some Hasselblad bodies use a gyro sensor to detect camera rotation during recomposition, and adjust focus to compensate.


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