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Search: Posts made by: Alfred Molon[_2_]
Forum: Digital Photography June 25th 07, 08:35 PM Posted to rec.photo.digital
Replies: 14
Views: 947
Posted By Alfred Molon[_2_]
1:1 vs. crop?

In article ,
Bhogi says...

Advantages:
snip
- exchangeable focusing screens

Also available for 4/3 cameras, i.e. you can insert such...
Forum: Digital Photography June 23rd 07, 11:30 PM Posted to rec.photo.digital
Replies: 13
Views: 819
Posted By Alfred Molon[_2_]
Best noise reduction software

Which of these noise reduction filters delivers the best results:

Neatimage
Helicon
Noiseware
Noise Ninja
Anything else?

I would be using it on images of the Olympus 8080 and Sony R1, after RAW...
Forum: Digital Photography June 22nd 07, 07:49 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...

Then you are not improving read noise.
Read noise goes up with added frames,
signal go up linearly, thus you gain by root...
Forum: Digital Photography June 22nd 07, 07:19 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

You're still on that? Some of the language and other replies suggested
to me a technology where all the wells were...
Forum: Digital Photography June 22nd 07, 07:16 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...

Then you are not improving read noise.
Read noise goes up with added frames,
signal go up linearly, thus you gain by root...
Forum: Digital Photography June 22nd 07, 07:13 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...

Yes, you would expose the pixel again to collect more light.

Then you have subject movement causing blur.

Depends on how...
Forum: Digital Photography June 22nd 07, 05:09 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...
converted. You don't get more photons by multiple reads
of the chip.

??? By reading N times (and recharging...
Forum: Digital Photography June 22nd 07, 05:07 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...
Ilya Zakharevich wrote in news:f5d3v8$4et$1
@agate.berkeley.edu:

[A complimentary Cc of...
Forum: Digital Photography June 21st 07, 06:00 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

Cite one single example of an Olympus 4/3 lens which weighs 8x less than
its equivalent FULL FRAME lens from...
Forum: Digital Photography June 21st 07, 06:52 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...

Multiple reads are irrelevant.

They are, because they increase the dynamic range.
--

Alfred...
Forum: Digital Photography June 21st 07, 03:52 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

As David says, 4/3 is a completely lost opportunity, a conclusion that
made me, reluctantly, give up on...
Forum: Digital Photography June 20th 07, 06:33 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

The assumption here is that this discharge time is so short not to
matter, or you can, as you suggested,...
Forum: Digital Photography June 20th 07, 06:30 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , david-
says...

That may be, but it could have been so much smaller if they had not...
Forum: Digital Photography June 20th 07, 07:05 AM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

The point is that such a multiple read sensor exists, while you claimed
that it could not be done.

What the real performance of this sensor is, is another issue, which
will be verified in the...
Forum: Digital Photography June 19th 07, 09:22 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

And what happens in each pixel while the discharging is done? I must
assume that this takes place in the...
Forum: Digital Photography June 19th 07, 09:22 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...

Yes, an improvement, but not complete elimination of the problem. The...
Forum: Digital Photography June 19th 07, 09:22 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

I don't "refuse to accept this" - however it does seem that YOU refuse
to accept that the geometry of the...
Forum: Digital Photography June 19th 07, 09:22 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

I finally found some time to go through the Janesick article. It
contains nothing that contradicts what I posted. You originally wrote:

And back to your original idea of multiple short images:
...
Forum: Digital Photography June 19th 07, 07:23 AM Posted to rec.photo.digital
Replies: 11
Views: 978
Posted By Alfred Molon[_2_]
China - more pictures

In article ,
says...
Out West and out of the big city you can find clear air.
www.alldigital.fotopic.net

Yes, the air in Tibet...
Forum: Digital Photography June 17th 07, 10:52 PM Posted to rec.photo.digital
Replies: 11
Views: 978
Posted By Alfred Molon[_2_]
China - more pictures

In article ,
says...
"Alfred Molon" a écrit dans le message de
news:...
Forum: Digital Photography June 17th 07, 10:50 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

Silicon sensors use microlenses which are mainly sensitive to light
hitting them frontally. This is a...
Forum: Digital Photography June 17th 07, 10:45 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , david-
says...
Silicon sensors use microlenses which are mainly sensitive to light
...
Forum: Digital Photography June 17th 07, 10:44 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article ,
says...

You can place in each pixel circuitry which compares the voltage in the
pixel with a predefined value. When...
Forum: Digital Photography June 17th 07, 10:26 PM Posted to rec.photo.digital
Replies: 341
Views: 5,492
Posted By Alfred Molon[_2_]
Why not make the sensor larger?

In article , says...
A very good lay article on how cmos sensors work.

...
Forum: Digital Photography June 17th 07, 10:23 AM Posted to rec.photo.digital
Replies: 11
Views: 978
Posted By Alfred Molon[_2_]
China - more pictures

In article , fac187
@hotmail.com says...
You were lucky.
In my time in China (last year) smog was so thick and pervasive you could
not see...
Showing results 1 to 25 of 125

 
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