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Nikon F5 RGB versus Center weighted

f5fstop

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f5fstop Awarded for his contributions to the Resources Basic Member
Sun 14-Jan-01 07:54 PM

LAST EDITED ON Jan-14-01 AT 10:42 PM (GMT)

Yesterday I went out Burgess Falls State Natural Area outside Cookville TN, to do one thing; check out how accurate the RGB meter on the F5 is when compared to center-weighted metering under difficult exposures. Well, what I found out is the accuracy of the RGB meter in my opinion is outstanding, and the differences between the two different modes are almost indiscernible. The following photos were scanned in at 96 dpi, with absolutely nothing done to the scanned files, other than convert to .jpg files.
The photos are not that impressive for a few reasons. One, I could not get down to the base of the falls due to the narrow path being frozen solid, and I had no desire to slide down on my rump.
Second, I was primarily testing the meters on the camera and I was looking for the areas with extreme backlight or at last extremes in lighting within the frame.
Third, I was tired. I had already been to Fall Creek Falls State Park and went to the base of the falls on a path that was not fit for a mountain goat to climb. Getting to the base of the falls I realized I had committed the supreme sin of anyone who carries an F5 with them…I forgot new batteries.
Upon returning to the top, cussing and swearing not only at the path and the ice, but at myself for being so stupid, I discovered that the rangers had decided to close the path to the base of the falls. They closed it due to the icy conditions that they assumed would be there, along with ice chunks falling from the sides of the cliffs. I informed the rangers, who were quite surprised I had transversed the path down then up, that they were probably justified in closing it, and I wish they had closed it about a two-hours earlier.
There were chunks of ice the size of refrigerators falling from the cliffs, the path, in certain places was as slippery as an ice skating rink, and there were boulders that had fallen from the cliffs due to the thaw that had blocked the paths in certain places, making me walk around to get past them.
Believe me, even if the rangers had not decided to close the path, I was not crazy enough to try the two-mile hike again with fresh batteries, so I got in the trusty SUV and drove to Burgess, only to find you could not walk entirely down to the base of the falls, only have way.
Anyway, back to the test, the following are the photos taken in both center weighted and RBG (matrix) modes.

http://www.geocities.com/f5fstop/burgessCW.jpg
Center-weighted. Burgess Falls, halfway to the base. A bit lighter than the following photo, especially in the sky area.
http://www.geocities.com/f5fstop/burgessRGB.jpg
RGB. Slightly darker; however, in my opinion does not appear as washed out as the center-weighted photo.
http://www.geocities.com/f5fstop/burgessfallsCW.JPG
Center-weighted. Lighter in the trees and the ice on the right.
http://www.geocities.com/f5fstop/burgessfallsRGB.JPG
RGB. Again, the center-weighted appears washed out in the photo.
http://www.geocities.com/f5fstop/burgessstreamCW.jpg
Center-weighted. Not that great of a photo, but notice hardly any differences, other than being a bit lighter, between this one and the RGB photo. Lighter in the brush waters edge and in the sky.
http://www.geocities.com/f5fstop/burgessstreamRGB.JPG
RGB


Film used was Kodak 160VC. All center-weighted photos were bracketed by one-full stop under and over. I picked the best of the three photos from each bracket sequence. I did a few brackets with two-full stops under and over, and I need not show these to explain what they were like (very over or under exposed).

Well, that does it for this test.
JRP, you will probably be interested in this test since you are a proud owner of this fantastic camera.

I wish that I had had my F100 with me to compare the results between the two cameras. (As well as to have had a camera with some batteries that were not totally dead at the base of Fall Creek Falls.)



Doug


--Take only photographs, leave nothing but footprints--



"Take only photographs, leave only footprints"

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