Tiffen 4x4" Yellow 2 #8 Glass Filter for Black & White Film

Commonly used for a noticeable increase in contrast with black and white films. Especially useful for clear contrast between blue sky with clouds and foreground. It is also suitable for landscapes and nature scenes.

Filter factor is 2 (+1 stop)

This filter is glass and measures 100 x 100mm (4 x 4") x 4mm thick.