It's hard choosing a DSLR lens or filter. There are tons of different versions out there to pick from. But knowing that with an autofocus that any USM, STm, SWM, HSM or USD lens would work. Understanding the Stabilisation, Reduction and Compensations with various lenses can change your outlook on which Kit Lens you should look for.
I have been so excited to talk about the iPad Creative. What I love most is that this will be a fun in school idea for virtually every child. Do Ink has come up with the fun thought for using a Green Screen. So it would be interactive and it will allow for kids to become more involved with what they are learning without being overly stressed.
Saving an underexposed photo, may just mean the world to some of use Photographers. With those photos you just do not want to throw away. Using Lightroom, you can use the Adjustment Brushes and Graduated Filters. The graduated filter would bring the light in the background to a higher intensity, while keeping the forground in the same light. And then the adjustment brush would bring out the objects that may be lost in the shadows of the foreground.