OM Digital Solutions DM-720 Digital Professional Voice Recorder, Silver (V414111SU000) Brand_Deco Essentials Circular Polarizing Filters are used

Circular Polarizing Filters are used to increase color saturation

Google Dial: Yes

by connecting the lens to SIGMA USB DOCK (sold separately / for L-Mount only)

Woofer Size: 4 1/2"

OM Digital Solutions DM-720 Digital Professional Voice Recorder, Silver (V414111SU000) Brand_Deco Essentials Circular Polarizing Filters are usedDM 720 High Resolution Audio Recorder The top of the class DM 720 includes high quality recording features packed into an efficient, smart metal body. It's equipped with an easy to use interface, extended editing operations and various playback functions. The DM 720 provides outstanding practicality and reliability to support your recording needs. Product Highlights: True Stereo Tresmic 4GB, stores up to 985 hours of audio 52 hours battery life MP3