Forum: The Photography Forum
25-03-06, 18:47
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
23-03-06, 21:49
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Replies: 178
Views: 85,349
Blown Hight lights
I had a free couple of hours this morning and the light was good so I trotted of to my local lake to get some shots of tuffed ducks. The male with it's white flanks often cause me trouble with blown...
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Forum: The Photography Forum
22-03-06, 23:55
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
22-03-06, 23:18
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
22-03-06, 13:16
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Replies: 178
Views: 85,349
Don refer to post 110 this illustrates the...
Don refer to post 110 this illustrates the squares from compression. At high quality setting they are not evident. (top) as the quality is reduced (middle and bottom) they become very evident.
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Forum: The Photography Forum
16-03-06, 23:32
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Replies: 178
Views: 85,349
The font and colour bars had nothing to do with...
The font and colour bars had nothing to do with photography. Look no camera hidden up my sleeves :rolleyes: It was to illustrate how jpeg works as there are many misconceptions with regards to the...
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Forum: The Photography Forum
16-03-06, 21:40
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
16-03-06, 21:37
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
16-03-06, 21:32
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Replies: 178
Views: 85,349
LOL - Your up against a bunch of Real World...
LOL - Your up against a bunch of Real World engineers here who like to make improvements through science and measurement. The empirical approach can be very hit and miss and just lead you around in...
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Forum: The Photography Forum
16-03-06, 19:43
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
16-03-06, 17:20
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Replies: 178
Views: 85,349
I see we are sliding back into the realms of...
I see we are sliding back into the realms of rhetoric. This statement maybe fair if the jpeg encoder is set with co-efficients to give extreme compression but in our case we are talking about using...
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Forum: The Photography Forum
15-03-06, 14:47
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
14-03-06, 21:09
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Replies: 178
Views: 85,349
Is this a fair test ?
on the left is bees...
Is this a fair test ?
on the left is bees jpg , middle robin feather jpg , right bees raw.
The Robin feather detail was shot at the weekend using jpg fine. Canon 20D 300mm 1/80 Sec f7.1 ISO...
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Forum: The Photography Forum
14-03-06, 12:37
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Replies: 178
Views: 85,349
Thanks for your posting Ruchai
Yes you can...
Thanks for your posting Ruchai
Yes you can see a marked difference in your images. I wonder if this is a Nikon thing as I've not noticed such a marked difference on Canon. I think I will try some...
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Forum: The Photography Forum
14-03-06, 10:12
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Replies: 178
Views: 85,349
Ruchai
Next time you get an example could...
Ruchai
Next time you get an example could you post 100% crop of the affected area of each using best quaility jpeg so that we can see for ourselves. Your Robberfly shot is very nice but it does...
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Forum: The Photography Forum
13-03-06, 10:28
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
27-02-06, 13:16
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Replies: 178
Views: 85,349
We are well aware of the rhetoric used to make...
We are well aware of the rhetoric used to make the case for RAW. This thread is trying to illustrate the differences. So do you have any examples where your camera has degraded the image by using...
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Forum: The Photography Forum
27-02-06, 00:24
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Replies: 178
Views: 85,349
Christine it would be interesting to hear your...
Christine it would be interesting to hear your observations on using RAW compared to jpeg. Do you feel it makes a real difference or are the memory card, hard disk and blank cdrom suppliers the only...
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Forum: The Photography Forum
23-02-06, 20:38
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Replies: 178
Views: 85,349
Puzzled ??? Are you saying Nikon are using a...
Puzzled ??? Are you saying Nikon are using a lossy compression method with their RAW format ! This does not make sense.
The only reason not to compress when using a lossless method is normally is...
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Forum: The Photography Forum
23-02-06, 13:37
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Replies: 178
Views: 85,349
Yes reallife 20D fine JPEGs are more like 2-4Mb...
Yes reallife 20D fine JPEGs are more like 2-4Mb dependent on subject detail.
A little known fact about compression is that with some compression methods it is possible to end up with a bigger file...
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Forum: The Photography Forum
23-02-06, 02:18
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Replies: 178
Views: 85,349
A Quick Colour test with 20D
Colour bars...
A Quick Colour test with 20D
Colour bars made up in PS and displayed on monitor. Close up of monitor Screen focusing on the green stripe.
Raw file was 9.43Mb
Fine Jpeg was 7.21Mb
Attached...
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Forum: The Photography Forum
20-02-06, 22:49
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
20-02-06, 21:25
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
19-02-06, 14:20
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Replies: 178
Views: 85,349
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Forum: The Photography Forum
19-02-06, 11:36
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Replies: 178
Views: 85,349
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