White Knight Press Releases Full-Color, Detailed Guidebook for Sony a7C Compact Full-Frame Camera Share Article White Knight Press has just released Photographer’s Guide to the Sony a7C, a full-color, 264-page guidebook covering all features and operations of the a7C mirrorless, compact, full-frame interchangeable-lens digital camera. Photographer's Guide to the Sony a7C Book Cover The book includes more than 400 color photographs that illustrate the camera’s controls, display screens, and menus. HENRICO, Va. (PRWEB) January 18, 2021 White Knight Press has just released Photographer’s Guide to the Sony a7C, a full-color, 264-page guidebook covering all features and operations of the a7C mirrorless, compact, full-frame interchangeable-lens digital camera.