This was my very first digital audio recorder. I mainly used it to hook a lav mic to and record that way. But, I did also used it as a standalone mic which was way better than my internal DSLR microphone at the time.
Sometimes you need to shoot with slow shutters and this is perfect to minimize touching the camera and causing blur. I've used this to time the shutter for nighttime sky photography as well as just regular product shots as well.Buy product
This is a cheaper alternative to wireless microphones. However, you will have to sync the audio to your video in post. On a budget, I don't have an issue with this. The reason I got the wireless systems are mainly for quicker turn around.Buy product
I recently had the need for this when recording a product install on a truck. The top part of the product was lit by the sun but the bottom was dark. I used this to reflect some light on the bottom of the area I was filming.Buy product