I'm very impressed with the Delkin pop-up shade for the D90. It installed in seconds, snapped firmly into place, and stays put well. All of the "pass-through" buttons feel great and work perfectly. I was a little worried about that aspect of this product's design, but the buttons do feel just like the ones on the camera itself. In bright sunlight (which we have plenty of in Phoenix, Arizona), this product makes it possible to get a much better look at the LCD screen to tell just how things are going on your shoot. This was well worth the investment, and with the addition of a battery grip for the D90, these 2 items have made my camera look, feel, and perform much more like a pro model. And if you ever plan to shoot video outdoors with your D90, this is certainly a must-have.