For the image above, I added two Canon EF 25 II Extension tubes and a single Canon EF 12 II Extension tube. Whenever you use extension tubes with a long lens be sure to stop down to prevent vignetting. A viable alternative to purchasing several of the more expensive Canon extension tubes is to purchase the Kenko Auto Extension Tube Set DG for

All modern DSLR camera communicate with the lens through electronic contact. So when we purchase an extension tube it needs to be an Auto focus one. Nikon doesn’t make Auto Focus Extension Tube. Canon has Extension Tube EF 25 II & Extension Tube EF 12 II, but they are expensive. Among the third party manufacturer’s Kenko is the most popular.

Compare Vello Auto Extension Tube Set for Canon EF EF-S Mounts and Lenses vs Kenko Auto Extension Tube Set DG 12, 20 & 36mm Tubes for Canon EOS Digital and Film Cameras vs Canon Extension Tube EF 25 II vs FotodioX 35mm Pro Automatic Macro Extension Tube for Canon RF-Mount
I think TS-E lens works with Canon Extension Tubes EF 12 II and EF 25 II, you need to be very careful about adding the Canon Extender 1.4 III as it does have glass (EF 25 II)should be safer bet, but check the physical on the extender and extenstion tube). The difference between the extenders is that the 25 is a 2x, and the 12 is a 1.4x. They give you the option of extending your current lenses effective length, without the higher cost of buying new lenses. By using the extenders, you will lose 1 f-stop with the 1.4x, and 2 f-stops with the 2x. . 208 131 450 221 177 332 454 51

canon extension tube ef 25 vs ef 25 ii