Bill_de wrote:
I typically used uncompressed. In a recent thread a number of people said they used lossless compression. I figured I could use more shots on a card. When I switched the count was the same.
I checked the manual (D4s) and guess what, it makes no difference in the number of images you can record. It does increase the size of the buffer.
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Bill,
Here is an excerpt from the book "Mastering the Nikon D800" by Darrel Young.
He explains it in the only way that makes sense to me.
Why does your memory cards remaining image capacity seem to stay the same
in NEF Lossless compressed and Compressed modes as in Uncompressed mode?
Shouldnt it show lots more capacity in the compressed modes since they make
the image smaller by 20 to 55 percent? The reason your camera does not show
any increased image capacity on the Control panel in the compressed modes is
because the D800 has no idea how well it will be able to compress a particular
image.
An image with a large amount of blank space, such as an expanse of sky, will
compress a lot more efficiently than an image of a forest with lots of detail.
The camera shows a certain amount of image storage capacity in NEF (RAW)
modesa little over 400 images with a 32-gigabyte card. Youll find that in the
compressed modes, the D800 does not decrease the image capacity by one for
each picture taken, as it does in Uncompressed mode.
This means that the camera will decrease the number of available images only
every two or three shots, according to how well it was able to compress each
image. When the card is full, it might have more than twice as many images
stored as it initially reported it could hold. Basically, your D800 deliberately
underreports storage capacity when you are shooting in either of the NEF (RAW)
compressed modes.