For Canon camera microphone MP-28 with back-electret condenser

Type Back-electret condenser microphone
Number of channels 2 (stereo)
Directionality Unidirectional
Frequency Response 70-16, 000Hz
Signal-to-noise ratio 60dB or more
Sensitivity -42dB(0 dB=1V/PA, 1kHz)
Low-cut filter Controlled by low-cut filter switch
Power supply Supplied by camera(1-10V)
Plug Gold-plated, L-shaped stereo mini-pin plug(φ 3.5mm)
Length of Cable Approx. 300mm/11.8in. Approx.
Weight Approx. 92g/3.3oz
Operating temperature 0-40° C, 32-104° F Wind screen, Soft case

Principal Features:
The MP-28 features vibration reduction to reduce vibration noise during autofocus,
And a low-cut filter that reduces wind noise and other low-frequency noise.

Safety Precautions:
To ensure proper operation, read this manual thoroughly before using this products.
After reading, be sure to keep it where it will be read by all those who use the product.

Parts of the MP-28:
1. Low-cut filter switch
2. Horizontal guide
3. Lock Screw
4. Cable Stop
5. Tripod Socket
6. Mounting Foot
7. Lock Ring
8. Sind Screen

The Low-Cut Filter Switch
Select Flat for normal use, L-CUT to reduce wind noise and other low-frequency noise.
Note that noise may be recorded if the switch is operated during recording.

Features:
The gear ring belt is designed for HDSLR follow focus use such as Canon 60D 600D 5D2 /EOS 550D/Rebel T2I/Kiss X4, specially for Canon EOS DSLR users. It is for low cost movie film makers.
It is compatible with all DSLR cameras, video cameras, HDV, DV, specially for HDSLR camera with movie function.