Forum: Digital SLR Cameras
March 21st 08, 01:20 AM Posted to rec.photo.digital.slr-systems
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Replies: 12
Views: 825
on UV filters
Tully Albrecht wrote:
We were talking about if, how much, degradation of lens potential IQ, etc.
one can expect from putting a filter in front of the lens. This
photographer posted a link...
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Forum: Digital SLR Cameras
March 19th 08, 01:27 PM Posted to rec.photo.digital.slr-systems
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Replies: 97
Views: 2,922
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Forum: Digital SLR Cameras
March 17th 08, 03:07 AM Posted to rec.photo.digital.slr-systems
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Replies: 97
Views: 2,922
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Forum: Digital SLR Cameras
March 10th 08, 05:51 AM Posted to rec.photo.digital.slr-systems
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Replies: 18
Views: 912
Canon 30d Picture Count
frederick wrote:
Wolfgang Weisselberg wrote:
frederick wrote:
Wolfgang Weisselberg wrote:
You were saying that "As consumers can't read shutter actuation
data",...
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Forum: Digital SLR Cameras
March 6th 08, 01:17 AM Posted to rec.photo.digital.slr-systems
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Replies: 7
Views: 349
Pondering Functionality
Dudley Hanks wrote:
l v wrote:
Dudley Hanks wrote:
[snip]
Your fantasy camera seems to be a digital extension of the old
Hasselblad system where the shutter speed and aperture...
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Forum: Digital SLR Cameras
March 6th 08, 01:11 AM Posted to rec.photo.digital.slr-systems
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Replies: 7
Views: 349
Pondering Functionality
Dudley Hanks wrote:
Wilba wrote:
Dudley Hanks wrote:
Wilba wrote:
On the 15th of February Wilba wrote:
I want to be able to control aperture, shutter speed, ISO, and
...
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Forum: Digital SLR Cameras
March 3rd 08, 10:42 AM Posted to rec.photo.digital.slr-systems
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Replies: 33
Views: 1,855
Interesting comparison (300D/40D)
David J. Littleboy wrote:
Wilba wrote:
David J. Littleboy wrote:
Wilba wrote:
Ray Fischer wrote:
Probably true for straight analog circuits, but digital cameras a very
...
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Forum: Digital SLR Cameras
March 3rd 08, 08:21 AM Posted to rec.photo.digital.slr-systems
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Replies: 33
Views: 1,855
Interesting comparison (300D/40D)
David J. Littleboy wrote:
Wilba wrote:
Ray Fischer wrote:
Probably true for straight analog circuits, but digital cameras a very
different and I would not assume that the...
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Forum: Digital SLR Cameras
March 3rd 08, 08:04 AM Posted to rec.photo.digital.slr-systems
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Replies: 7
Views: 349
Pondering Functionality
Dudley Hanks wrote:
Wilba wrote:
On the 15th of February Wilba wrote:
I want to be able to control aperture, shutter speed, ISO, and exposure
compensation. Rather than going...
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Forum: Digital SLR Cameras
March 3rd 08, 07:31 AM Posted to rec.photo.digital.slr-systems
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Replies: 33
Views: 1,855
Interesting comparison (300D/40D)
Ray Fischer wrote:
Wilba wrote:
David J. Littleboy wrote:
For our purposes, dynamic range is log2((max signal)/(noise floor)).
There are a lot of definitions of dynamic range...
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Forum: Digital SLR Cameras
March 3rd 08, 07:05 AM Posted to rec.photo.digital.slr-systems
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Replies: 33
Views: 1,855
Interesting comparison (300D/40D)
David J. Littleboy wrote:
Wilba wrote:
So, coming back to Ray Fischer's "why?", as you double the ISO you double
the signal, which doubles the noise but doesn't change the maximum
...
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Forum: Digital SLR Cameras
March 3rd 08, 06:36 AM Posted to rec.photo.digital.slr-systems
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Replies: 7
Views: 349
Pondering Functionality
On the 15th of February Wilba wrote:
I want to be able to control aperture, shutter speed, ISO, and exposure
compensation. Rather than going into
the menu system or rotating a dial to select...
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Forum: Digital SLR Cameras
March 3rd 08, 04:47 AM Posted to rec.photo.digital.slr-systems
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Replies: 33
Views: 1,855
Interesting comparison (300D/40D)
David J. Littleboy wrote:
Wilba wrote:
David J. Littleboy wrote:
Ray Fischer wrote:
David J. Littleboy wrote:
Simple reality check: Dynamic range must fall by one stop...
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Forum: Digital SLR Cameras
March 3rd 08, 01:42 AM Posted to rec.photo.digital.slr-systems
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Replies: 4
Views: 346
Oversaterated?
Pete D wrote:
http://farm2.static.flickr.com/1414/1461046199_a38a4d9dc6_o.jpg
Maybe, but the blown highlights detract for me.
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Forum: Digital SLR Cameras
March 3rd 08, 12:34 AM Posted to rec.photo.digital.slr-systems
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Replies: 33
Views: 1,855
Interesting comparison (300D/40D)
David J. Littleboy wrote:
Ray Fischer wrote:
David J. Littleboy wrote:
Simple reality check: Dynamic range must fall by one stop each
time the ISO doubles. While this often doesn't...
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Forum: Digital SLR Cameras
February 23rd 08, 10:10 PM Posted to rec.photo.digital.slr-systems
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Replies: 25
Views: 935
For your amusement and edification...
m II wrote:
Wilba wrote:
I wouldn't call it a fair comparison then, with one lens at f/2.8 and the
other at f/5.6.
Perhaps, but both cameras were set at the factory default settings...
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Forum: Digital SLR Cameras
February 23rd 08, 12:52 PM Posted to rec.photo.digital.slr-systems
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Replies: 25
Views: 935
For your amusement and edification...
m II wrote:
One of these incomparable works of art is the result of a 129$ US
camera. The other was about 900$ US.
http://www3.telus.net/public/echo4/Pict1.JPG
...
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Forum: Digital SLR Cameras
February 21st 08, 09:42 PM Posted to rec.photo.digital.slr-systems
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Replies: 37
Views: 1,009
Pondering Functionality
Wolfgang Weisselberg wrote:
Wilba wrote:
Wolfgang Weisselberg wrote:
Wilba wrote:
The functionality I described in the original post is best supported
by a user interface with one...
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Forum: Digital SLR Cameras
February 21st 08, 09:29 PM Posted to rec.photo.digital.slr-systems
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Replies: 37
Views: 1,009
Pondering Functionality
Wolfgang Weisselberg wrote:
Wilba wrote:
Wolfgang Weisselberg wrote:
Wilba wrote:
In my mind, Compensation is a (fudge) factor applied to the
metering result --- which is much more...
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Forum: Digital SLR Cameras
February 21st 08, 08:52 PM Posted to rec.photo.digital.slr-systems
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Replies: 37
Views: 1,009
Pondering Functionality
l v wrote:
Wilba wrote:
l v wrote:
Wilba wrote:
l v wrote:
Wilba wrote:
Exposure comp button is the same button as ISO, use the thumb wheel vs
the finger wheel.
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Forum: Digital SLR Cameras
February 21st 08, 11:38 AM Posted to aus.photo,rec.photo.equipment.35mm,rec.photo.digital.slr-systems
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Replies: 20
Views: 1,153
[photo] kingfisher
Troy Piggins wrote:
I don't have a proper birding lens, just a 70-200. Was over at
Brisbane's Southbank on the weekend and saw this little
kingfisher in one of the gardens right next to...
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Forum: 35mm Photo Equipment
February 21st 08, 11:38 AM Posted to aus.photo,rec.photo.equipment.35mm,rec.photo.digital.slr-systems
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Replies: 20
Views: 806
[photo] kingfisher
Troy Piggins wrote:
I don't have a proper birding lens, just a 70-200. Was over at
Brisbane's Southbank on the weekend and saw this little
kingfisher in one of the gardens right next to...
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Forum: Digital SLR Cameras
February 21st 08, 01:50 AM Posted to rec.photo.digital.slr-systems
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Replies: 37
Views: 1,009
Pondering Functionality
Paul Furman wrote:
Wilba wrote:
Now that sensitivity is as flexible as shutter speed or aperture, you
need to define and operate 2x2x2 = 8 distinct modes (manual or automatic
for three...
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Forum: Digital SLR Cameras
February 21st 08, 01:13 AM Posted to rec.photo.digital.slr-systems
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Replies: 37
Views: 1,009
Pondering Functionality
Wolfgang Weisselberg wrote:
Wilba wrote:
The key thing in what you said is, "Depending on the camera's mode".
I'm suggesting in effect abandoning the conventional modes,
No Tv, Av, P, M...
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Forum: Digital SLR Cameras
February 21st 08, 12:59 AM Posted to rec.photo.digital.slr-systems
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Replies: 37
Views: 1,009
Pondering Functionality
Wolfgang Weisselberg wrote:
Wilba wrote:
Wolfgang Weisselberg wrote:
Wilba wrote:
Wolfgang Weisselberg wrote:
Wilba wrote:
Can you change the ISO with one touch?
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