FotodioX Pro Auto Macro Extension Tube for Canon EF & EF-S Lenses (21mm)

FotodioX Pro Auto Macro Extension Tube for Canon EF & EF-S Lenses (21mm)Maintains Automatic Lens Functions Can Be Stacked The 21mm Pro Auto Macro Extension Tube from Fotodiox is suitable for use with Canon EOS EF & EF S Lenses for extreme close up. It is an automatic tube that is able to communicate all electronic functions from the lens to camera including autofocus and auto exposure. No other optical components are added, so the image will preserve the original optical properties of the lens. The lens transforms into a

1 seconds and a surface resistivity of <10 Use for film

as well as overhead drum miking

77cm) (WxDxH) Interior Dimensions Interior Front Rail to Back Distance: 13

Precision-machined double concentric locking collars for precise positioning at any point within the section High-density graphite carbon fiber tubes for strength

Its collapsible

Foot Pedal: Chrome with removable scratch resistant protective cover

achieving minimum return loss values of 23 dB and 21 dB

To help prevent back-strain and fatigue

Easy Doorway Navigation

a microphone

The Pearstone 4" Plastic Cable Ties - Clear (100-Pack) is a very convenient accessory to keep on hand

To hold a tablet