Cameras Lenses app for iPhone and iPad

You Cant Never Understand Photography Without Understanding Camera Lenses.

This is a Excellent Video Training Course on Learning About Camera Lenses.

The course covers fundamental concepts that apply to any camera, such as focal length and camera position, and shows how to evaluate and shop for DSLR lenses. The second half of the course focuses on shooting techniques: controlling autofocus, working with different focal lengths, and managing distortion and flare. The course also examines various filters and contains tips on cleaning and maintaining lenses.

Topics include:

* Understanding field of view and camera position
* Depth of field and lens choice
* How to choose a lens
* Examining lens features
* Using specialized lenses such as fisheye and tilt/shift lenses
* Focusing techniques
* Using filters
* Camera maintenance