Fotodiox Pro Automatic Macro Extension Tube, 15Mm Section For Canon Rf (Ef R) Mount Milc Cameras For Extreme Close Up Photogra Laptop Stands Make Sure It Sounds Like

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90Mm Working Voltage: Dc 3-24V Rated Voltage: Dc 12V Max Rated Current: 12Ma Min Sound Output: 85Db Response Frequency: 3300 +/- 500 Operating Temperature: -20 To 60 Degree Package Included: 10 X Black Active Piezo Electronic Alarm Buzzer Sounder

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Fotodiox Pro Automatic Macro Extension Tube, 15Mm Section For Canon Rf (Ef R) Mount Milc Cameras For Extreme Close Up Photogra Laptop Stands Make Sure It Sounds LikeThe Fotodiox Pro Auto Macro Extension Tube For Canon Rf Mount Mirrorless Cameras Is A Space That Increases The Distance Between Your Camera And Lens While Enabling Electronic Functions. The Increased Distance Created By Extension Tubes Allows Your Lenss Focusing Distance To Be Shortened For Macro Use As Well As Increasing The Focal Length. The Gold Plated Contacts On The Extension Tube Allow Autofocus, Autoexposure, Aperture Control, And Image