FZ200 F2.8 600mm ISO400 100% crop

Started Aug 26, 2012 | Discussions thread
Florida Nature Photographer
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Re: FZ200 F2.8 600mm ISO400 100% crop
In reply to kkardster, Aug 30, 2012

kkardster wrote:

You may find these posts of interest:

http://forums.dpreview.com/forums/readflat.asp?forum=1033&message=42158524&changemode=1

http://forums.dpreview.com/forums/read.asp?forum=1033&message=41880364

http://forums.dpreview.com/forums/readflat.asp?forum=1033&message=41217537

Just adding to the knowledge base here...

Since I use the Enfuse Plugin for Lightroom to do my image stacking my additional research into this subject lead me here

https://groups.google.com/forum/?fromgroups=# !topic/hugin-ptx/LlFaTFXGmeM

which in turn lead me to the Enfuse manual here
http://panorama.dyndns.org/EandE-documentation/enfuse-letter.pdf

to read this...
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7.2 Repetition Noise Reduction Main Purpose: Reduce noise

With the default settings, Enfuse computes a weighted average of the input pixels. Fora series of images, repeated with identical settings, this results in a reduction of (photon shot) noise. In other words, the dynamic range increases slightly, because the higher signa lto-noise ratio makes darker shades usable. Furthermore, smooth or glossy surfaces get a \cleaner" look, and edges become visually sharper. The nitty-gritty reportage look that sometimes stems from a high sensitivity setting disappears. Averaged images, and therefore low-noise images, are the base for a multitude of techniques like, for example, di erences. The most prominent method in this class is dark-frame subtraction.

The defaults set '--exposure-weight=1.0' and '--saturation-weight=0.2'. Eliminating the saturation component with '--saturation-weight=0.0' can be worth an extra run.
---------------------------

I don't understand what all of that means but it definitely sounds like Enfuse can be used to increase the image quality of the FZ150 FZ200 photos.
--
Florida

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