Behind the Lens: Canon EF-S 17-55 & L-series 24-105

In this post, we test the Canon EF-S 17-55 and L-series 24-105. Get a detailed look at why and how these lenses fit in to the toolbag of a documentary cinematographer. Check out the post here, or all the lenses in the Behind the Lens series at AbelCine and


  • Felix / March 20, 2018 at 11:35 am

    Hi Matt,
    thanks für the “behind the lens” series!
    I have a question to the EF-S 17-55mm: are you don’t getting any heavy vignetting at 17mm with the 17:9 aspect ratio resolutions of the C300ii ? For example, with 2048×1080 the camera has a 1.46 crop factor and with 16:9 resolutions you will have a 1.53 crop factor. EF-S Lenses are designed for APS-C DSLRs with a crop factor near 1.6.


    • mattporwoll / March 20, 2018 at 12:09 pm

      Hi Felix,

      Thanks so much for your note on the series. With the 17-55, there can be the slightest vignetting at 17mm, and is normally noticeable when IS is engaged, due to the rotation of the lens element in stabilization. Once you move to 21mm and beyond, there is no vignetting. You can also engage lens correction in the camera to further mitigate this effect. I find this to be manageable, especially with everything you get with the lens, ie: focal length range, f-stop, and available IS. I hope this helps and answers your question.