Non-photographic. Used by eye only

• Emphasises areas of shadow and poor contrast.
• Shows colours in their relative tonal values so you can assess how they will look relative to each other.
• Housed in a rubber eyecup to exclude extraneous light
• Eyecup can be turned for viewing with either eye
• Handle is drilled for neck cord (not supplied)
• Enables improved composition in assessing highlights, contrast and shadows with colour film.
• Provides a visual guide when setting up lights or positioning the subject relative to available light