Adrian writes in and asks if anyone has information on this new Hahnel MK100 DSLR Mini Shotgun Microphone? One interesting spec listed is the (-10db / 0db / +20dB) switches. Hahnel makes other camera related accessories including tripod heads, wireless triggers, wireless Live View video kits, and now this new microphone. A few other listed specs below.
Sensitivity switchable for long / short distances (-10db / 0db / +20dB)
Decibel Booster (DB) & reducer
Rubber Shock Mount system. To improve handling and mechanical noise
Low cut filter to reduce wind noise
Foam sock wind shield Included
Main dial switch for ON/OFF/LOW CUT
Polar Pattern: Super Cardioid
DC 3V operation. 2xAAA battery
Output connector: 3.5mm jack
More specs and images on these little shock mounted DSLR Shotgun microphones can be found on both ebay and amazon below.