Douglas Underdahl is a designer of motion picture equipment, author, teacher, director of photography, and director.

His company Long Valley Equipment manufactures the industry standard Seven Jib, Super Track Dolly, and R8 lens conversion, and he designed and fabricated equipment for the deep dive photography in TITANIC.    Long Valley is an Original Equipment Manufacturer for the RED camera company, designing and fabricating the RED Nikon mount.

Douglas authored THE 16MM CAMERA BOOK and has contributed to ICOM and IN MOTION magazines, and THE AMERICAN CINEMATOGRAPHER MANUAL. 

He has taught film production at New York University, School of Visual Arts, the New York Film Academy, and the International Film and Television Workshops in Maine.

As a director of photography, Douglas recently shot the feature TIED TO A CHAIR for director Michael Bergmann, in Cannes, London, and NYC starring Bonnie Loren and Mario Van Peebles.   He was a cinematographer on MULBERRY STREET, directed by Abel Ferrara.  He has lensed TV commercials for  Prudential, AT+T, and Horizon Blue Cross.

As director, his short films - including one produced for SATURDAY NIGHT LIVE - have won numerous awards.  He directed FILM SCHOOL CONFIDENTIAL, a feature shot in 35mm that premiered at Rotterdam International Film Festival and played at 12 other festivals in 8 countries, and won 3 awards including Best Screenplay at Winecountry, Best Feature, Staff Award at Houston Worldfest, and was named a Critic's Pick by the New York Times.