Red 23A Screw-In Filter +1/4 runs on two "AAA" batteries

runs on two "AAA" batteries

ColorCore technology

선형 편광기로 빛을 분해하고 필터링하는 방법으로 인해 카메라 내부 자동 초점과 노출 정확도가 사용 중에 왜곡됩니다

Accepts Optional Fixed 4x5

It measures 4

Red 23A Screw-In Filter +1/4 runs on two "AAA" batteriesIncreasing contrast when working in black and white, this Red 23A Filter from Tiffen is used to noticeably darken cool and blue tones in order to emphasized both shadows and clouds. Offering greater tonal separation than regular yellow and orange contrast filters, the light red 23A is especially well suited to producing dramatic outdoor and landscape imagery. There is an approximate 4x filter factor with this filter, requiring an increase of 2 stops