Runshuangyu Extension Tube Macro Lens Bellow for Canon EOS EF Camera 5DIII 70D 700D 1100D DSLR and More, for Digital SLR Photography music_UK_update_2021 RG320 series / SAT Pro

RG320 series / SAT Pro II GRG15

2 mount hole spacing

and low pitches to create melodies or to use as a stand-alone bell invert on top of your ride for heavy bell riding or use for airy cymbal effects

Car/Home Aux Stereo

Runshuangyu Extension Tube Macro Lens Bellow for Canon EOS EF Camera 5DIII 70D 700D 1100D DSLR and More, for Digital SLR Photography music_UK_update_2021 RG320 series / SAT ProRunshuangyu Extension Tube Macro Lens Bellow for Canon EOS EF Camera 5DIII 70D 700D 1100D DSLR and More, for Digital SLR Photography Tips when Use: Aperture Default: The value is the smallest. The aperture is the largest. Please adjust it before installing the Macro Bellow, because once installed, it cannot be adjusted anymore. (Except for the old lens with aperture ring) Cannot auto focus, need to be completely manual operation. Better to be used