Hoya 77mm HMC Close-Up Filter Set II, Includes +1, +2 and +4 Diopter Filters Azden or ultrasound monitors

or ultrasound monitors

Studio quality microphone preamp/channel strip processor

and better performance to capture and store large amounts of high quality pictures and Full HD video

battery protection

the SmartMixer - Audio Mixer/Adapter Kit for iOS/Android from Saramonic is a compact and lightweight audio mixer/interface with phantom power

Hoya 77mm HMC Close-Up Filter Set II, Includes +1, +2 and +4 Diopter Filters Azden or ultrasound monitorsThis Hoya 77mm HMC Close Up Filter Set II offers the ability to achieve macro like results with camera lenses that have 77mm front filter threads. A close up filter is a magnifier that optically decreases the focal length of a camera lens placed behind it. This effect lessens the minimum focus distance between the camera lens and a subject. Magnification can then be obtained by decreasing the distance between the subject and the combined camera lens