A look at the benefits of using a lens hood, the different types of hood available, and also covering some disadvantages of lens hoods. Written by Discover Digital Photography. http://www.discoverdigitalphotography.com/2015/why-use-a-lens-hood/
Focal Length and Aperture Explained for the Photography Novice~ People are always asking me why they have blurry oof shots. Learning to read your lens specs and understanding them is HUGE.
http://www.photo-geeks.com/dslr-digital-camera-lense-guide/ nikon and canon lens price comparison
You can take great macro shots with the gear you already have. No expensive macro lens required!