Promaster 2045 Extension Tube Set for Canon EOS - includes 12mm, 20mm, & 36mm Tubes holidayshipping Using that same technology that

Using that same technology that SIGMA used to create the SIGMA CINE lens range

MFI certified

Nikon LC-95 95MM Lens Cap

power adapters or third-party hardware

so the overall length of the lens does not change

Promaster 2045 Extension Tube Set for Canon EOS - includes 12mm, 20mm, & 36mm Tubes holidayshipping Using that same technology thatFeatures: Today's digital SLR's have more sensitive electronics and require more precise transmission of information. ProMaster Extension Tubes have been specially tuned to offer the precision communications necessary in today's digital world. The ProMaster Extension Tube Set for Canon includes: 12mm, 20mm, and 36mm tubes.