Yellow is the mildest of the contrast filters for black and white photography. Yellow filters produce the most natural tonal range. By absorbing ultra-violet, violet and blue it moderately increases contrast in sky, foliage and architecture photography. It's natural tone reproduction in landscapes, cityscapes and portraits make very it useful for all daylight exposures.

• Adds mild contrast to all daylight exposures.
• Most natural tonal effect.
• Offsets excess coolness of flash portraits.