ASTRODESIGN,Inc.

Blackmagic Design Pty. Ltd.

Carl Zeiss AG

COSINA CO., Ltd.

Eastman Kodak Company

Fuji Photo Film Co., Ltd.

JK Imaging Ltd.

Jos. Schneider Optische Werke GmbH

Kenko Tokina Co., Ltd.

Komamura Corporation

Leica camera AG

Olympus Imaging Corp

Panasonic Corporation

PHOTRON LIMITED

Sanyo Electric Co., Ltd.

Sigma Corporation

SVS-VISTEK GmbH

Tamron Co., Ltd.

ViewPLUS Inc.