Which Lens Should I Use? | Focal Length Comparison
What is a macro lens? Magnification and minimum focus distance explained (free photography cheat sheet):
Focal Length Comparison Lens Selection
Aperture and shutter time both influence the picture in two different ways.
Profundidad de campo
Diferenças entre lentes!
How your lens will capture your portraits. anything above 50mm is best for portraiture. #photographytips #photographers
A Visual Guide to Focal Lengths in Camera Lenses by Savor Photography for iHeartFaces.com
nikon and canon lens price comparison