Some background information on the different Filter types, and why using one is better than the other.
Click on the link to download each file, if it does not download you may have to right click and ‘save as
The World as Seen Through Our Lenses
Some background information on the different Filter types, and why using one is better than the other.
Click on the link to download each file, if it does not download you may have to right click and ‘save as