Topics

1

Canon General / improving IQ in landscape

« on: Today at 12:12:33 PM »

Rather than using a WA lens which can lead to distortion, why not take numerous images with a zoom lens then photo-merge them together.
You will end up with a rather large image but, downsizing an overly large image will lead to a superior image, IQ wise.
Comments welcome!       

2

Technical Support / Auto ISO performance

« on: May 29, 2013, 07:09:35 AM »

Background...1Ds3 and generally shoot in manual mode, setting exposure in LV while utilizing the all color histogram, in an  ETTR technique.
This method gives me a Lightroom histogram that is just shy of grazing the right side, in my mind, the perfect ETTR technique.

Question...will the newer generation cameras with auto ISO, specifically the 5D3, cough out comparable results?

3

EOS Bodies / AF improvements in new bodies

« on: April 16, 2013, 08:21:06 AM »

I am technologically impaired and am wondering why my somewhat dated DsMk3 cannot be somehow "updated" to improve on it's AF abilities. 
It is up to date on it's firmware upgrades.

4

Technical Support / Distance from subject question

« on: April 11, 2013, 09:38:00 AM »

I'm having a senior moment here and need a formula.
I want to take a mirror image of a church steeple using 24x48 piece of black acrylic as the mirror...let's assume that the steeple is 200 ft tall.
How far from the steeple do I place the mirror to fill that mirror with the steeple...like I said, just need the distance/size relationship formula.   Thanks

5

Abstract / A crack in the universe

« on: March 30, 2013, 10:22:35 AM »

Or...just a tray of ice with some food coloring added.


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6

Canon General / Why are the video guys getting the good stuff?

« on: March 20, 2013, 12:02:33 PM »

Just lucked onto this tidbit concerning a new low-light sensor from...Canon
http://www.canon.com/news/2013/mar04e.html

7

EOS Bodies - For Stills / Need a treatise on image quality

« on: March 18, 2013, 07:31:59 AM »

Let's assume that I would use only Canon long prime glass, the ones with the mostly flat MTF lines, yeah the expensive ones.
And, that PS's photomerge feature is commonly used in my workflow, to overcome limited FOV while using those long, flat, MTF lined, expensive lenses.

I'm in the market for a new body with the criteria being superior low light capabilities, something my 1DsIII is somewhat lacking, and superior IQ.
Dynamic Range and bit depth also rank in the want column as well.  I'm thinking that photomerge will overcome the need for high MP needed for large images.

I'm thinking that a crop sensor that utilizes the "center sweet spot" of the lens coupled with reduced MP to allow more utilized light would be the answer.

Am I overlooking/overanalizing my decesion making process...

8

EOS Bodies / making a case for that crop body camera

« on: February 02, 2013, 02:04:05 PM »

A crop camera body utilizes the center portion of a full frame camera's FOV using the same lens, but...according to Canon's MTF characteristics,
 that's precisely where most lenses are at their best.
Therefore that crop camera only gives you the very best of that lens.
If you need a larger image in a landscape scenario...photomerge is a no-brainer, just use a longer lens.

9

EOS Bodies / Micro focusing adjustments

« on: January 25, 2013, 02:34:10 PM »

I use a 1DsMkIII and it often misses it's AF.  Have done the micro focus adjustment route with mixed results, and am wondering if my experiences are normal.
Adjusting a 300 2.8 lens for spot-on focus at 60 yards results in front focusing at 20 yards.  Is anyone else finding this feature is distance depentent?

10

EOS Bodies / Got this here itch

« on: January 07, 2013, 10:26:18 AM »

I'm ectlectic in my images, everything from BIF to landscapes to macro...anything but people. Currently use a 1DsIII and, am a believer in photoshop.

The new 7D is about to be released with the expected upgrades and about 22MP, which is impressive for a crop camera. Photomerge takes care of needing more stuff in frame.
And, the new "D", or whatever they call it, supposedly will have around 40 MP and a slower frame rate. Frame rate is inconsequential and like cropability of excessive MP for macro work.
I will not buy two cameras, couldn't afford that route. any suggestions?

11

EOS Bodies / Need education as to Image Quality

« on: June 25, 2012, 01:08:29 PM »

I spoke with tech support this AM on a side matter but we got to talking about the IQ of the new 1DX.
She said the image quality and crop ability was better than my 1Ds MkIII...how can 18 MP crop as well/much as 21 MP, assuming <1000 ISO?

12

United States / Repair status info

« on: June 05, 2011, 03:23:29 PM »

I would like to know why we are not able to directly communicate with the Canon Repair centers,
 either in NJ or CA, to check status of repairs and why we must pay up front.
I know of no other product that has that requirement.