The Heliopan 46mm #11 Yellow-Green Glass Filter enhances black and white photography by selectively lightening green tones while darkening reds, creating striking contrast and visual separation. Perfect for capturing scenes with foliage, clothing, or architectural elements where tonal differentiation matters. This filter brings out details that monochrome film alone cannot achieve, adding snap and dimension to your images. Pair it with complementary contrast filters—yellow, orange, and red—to build a versatile black and white toolkit that handles any lighting condition or subject matter.