Working with masks and calculations in Photoshop

…In the days of the Dark Room.…It sounds like we're talking about, you know, the…19th century or something, which I guess we were.…But, it went well into the 20th century.…Anyway, back when people worked in Dark Rooms, they had…to spend a lot of time developing dodging and burning skills.…This was a kind of critical eye-hand coordination that they…had to get to be able to make selective edits.…Hi, I'm Ben Long, and this week on The…Practising Photographer we're going to look at some Digital Masking skills.…The equivalent…of dodging and burning in the dark room era.…And just as important now because even with the great cameras we have.…

And the fantastic post-production that we have still,…what can save an image sometimes is the ability…to make a selective edit, to lighten or darken…just one part of the image or the other.…In a case like this, where I went to edit this camel, separately…from the background, I ran into a problem because this camel is all furry.…The edges of it, has a little hair and things and…