rook2c4 wrote:
If do you plan to shoot b&w in camera, it would be wise to acquire some color filters so that you can have more control over the tones and overall contrast. Definitely yellow; for additional filters, you can't go wrong with red, green and orange.
There's really no reason to add colored filters with digital cameras. After converting to B&W, if you shoot in RAW, you can add the same effects with the color sliders. Nothing is gained, and things can be lost if you use a colored filter when shooting.