Canon's updated 70-200mm f/4 — Mark II with improved IS and optics for the L-series telephoto.
The Canon EF 70-200mm f/4L IS II USM launched in 2018 as an update to one of Canon's most popular L-series telephotos. The Mark II improved IS to 5 stops and refined optics with ASC coating over the already-excellent Mark I.
Optically outstanding — sharper than the Mark I with ASC (Air Sphere Coating) reducing flare. IS II provides 5 stops — significantly improved from the Mark I's 4 stops. Ring USM for fast, silent AF. The 70-200mm f/4L is Canon's most practical L telephoto.
Canon EF mount with 72mm filter thread. Approximately 780g — lighter than any 70-200mm f/2.8. Full L-series weather sealing. IS II — 5 stops. Ring USM. 1.4x extender compatible. Minimum focus distance 100cm.
Available used at professional prices. The Mark II's improved IS and coating justify the upgrade. The RF 70-200mm f/4 is the mirrorless successor. For Canon EF users wanting the best possible 70-200mm f/4. The weight savings vs f/2.8 are significant.