The Panorama Factory -- What is "35mm equivalent focal length?"
Find the focal length of equivalent system shown in Figure.
Drive an expression for equivalent focal length of two thin lenses kept in contact.
Equivalent Focal Length :: VIVOTEK ::
Equivalent Focal Length and Field of View
Equivalent Focal Length :: VIVOTEK ::
What do you mean by an equivalent lens? The system of two equivalent lenses are placed at a distance then derive the equation of equivalent focus and power.
Photography Basics – Focal length | Discover Digital Photography
Drive an expression for equivalent focal length of two thin lenses kept in contact.
Drive an expression for equivalent focal length of two thin lenses kept in contact.
Principal Planes: Two Thin Lenses
35mm-equivalent focal length (Interchangeable-lens Digital Cameras)
4x5 Lenses - Choosing the Best Focal Length — Alex Burke Photography
Derive an expression for an equivalent focal length of two thin lenses kept in contact.
Find an expression for the equivalent focal length for a system of two thin lenses in contact