Canon calls this the CANON ZOOM LENS EF 24-105mm f/3.5-5.6 IS STM. EF means "electronic focus;" there is an autofocus motor inside the lens. IS is Image Stabilization. STM (lead screw-type STepping autofocus Motor) means that the focus motor operates silently and very quickly. Canon EF 24-105mm F3.5-5.6 IS STM Autofocus Zoom Lens Front & Rear Lens Cap 272 product ratings - [MINT w/Hood, Case] Canon EF 24-105mm f/4 L IS USM Macro Zoom Canon EOS 6D Mark II DSLR Camera with EF 24-105mm USM Lens, WiFi Enabled Black Canon EOS R8 Full-Frame Mirrorless Camera w/RF24-50mm F4.5-6.3 IS STM Lens, 24.2 MP Canon EOS R6 Full-Frame Mirrorless Camera + RF24-105mm F4-7.1 is STM Lens Kit, Black (4082C022) Recommendations Canon EOS R, Vlogging and Content Creator Camera 4K UHD, Digital Single-Lens Non-Reflex AF/AE, 0.76 Magnification, OLED Color Electronic Viewfinder, CMOS Sensor, Mirrorless, Full-Frame (Body Only) The Bottom Line. The Canon EF 24-105mm f/3.5-5.6 IS STM is an inexpensive zoom lens for full-frame Canon cameras. It's quite sharp, but requires some distortion correction to get the best results. View the image quality delivered by the Canon EF-S 10-18mm f/4.5-5.6 IS STM Lens using ISO 12233 Resolution Chart lab test results. Compare the image quality of this lens with other lenses. RF-S18-150mm F3.5-6.3 IS STM: EF 24–105mm f/3.5–5.6 IS STM: EF 24–105mm f/4L IS II USM: EF 24-70mm f/2.8L II USM: EF 24-70mm f/4L IS USM: EF-S 15-85mm f/3.5-5.6 IS USM: EF-S 17-55mm f/2.8 IS USM: EF-S 18-135mm f/3.5-5.6 IS USM: EF-S 18-200mm f/3.5-5.6 IS: EF-S 55-250mm f/4-5.6 IS STM: RF 10-20mm F4 L IS STM: RF 24-105mm F2.8 L IS USM Z Canon EF 24-105mm f/4L IS USM on Canon EOS 5DS R vs Canon EF 24-105mm f/4L IS II USM on Canon EOS 5DS R vs Canon EF 24-105mm f/3.5-5.6 IS STM on Canon EOS 5DS R I find myself cropping in often so I've been wanting a higher MP body. EF Canon 50mm 1.8 STM. EF Canon 24-105mm 4L. EF-S Canon 55-250mm STM. EF-M 7artisan 7.5mm 2.8. I use the EF lenses with a Viltrox Speedbooster or regular adapter depending if I need more light or reach. Bonus question. yPitg.

canon ef 24 105mm f 4l is stm