RF 10-20MM F/4L IS STM: Canon’s Widest RF Zoom Lens Announced

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Canon continues to pump out quality glass for its mirrorless range of camera bodies, today releasing its widest RF zoom to date.

Canon Australia has announced the RF 10-20mm f/4L IS STM, boosting the L-series range for photo and video professionals. The angle of view opens up to a massive 130° and the results speak for themselves. The RF 10-20mm f/4L IS STM is a rectilinear lens so lines are straight, even at the edges.

This is definitely not a fisheye lens.

Yes it is f/4, but with 5-stops of built-in stabilisation and autofocus I think it’s a winner. In fact, the IS goes up to 6-stops when combined with the in-body stabilisation. I think everyone would love a faster lens but at least it’s f/4 throughout the zoom range. This helps with consistent exposure at every zoom setting. Also, optical coatings minimise ghosting and flare which can be common with ultra-wide shots.

The video below from Canon USA gives you a great idea of the lens’ capability.

Canon USA intros the RF 10-20mm f/4L IS STM

It’s also pretty small and light for a lens of this quality and complexity. Weighing just 570g, the RF 10-20mm f/4L IS STM is ideal for travel.

Canon makes the point that it’s less than half the weight (610g lighter) and 2cm smaller in width and length than the EF 11-24mm f/4L USM – in fact, the new lens paired with an EOS R8 weighs less than the older EF lens alone.

FEATURES

  • The aspherical, Super UD, and UD lens elements (including one Aspherical UD element)
    which help to achieve high image quality appropriate for an L lens
  • Highly durable dust and water resistant qualities, to withstand rigorous conditions faced by
    professionals
  • SWC (on 2 lens surfaces) and ASC (Air Sphere Coating) reducing ghosting caused by light
    sources within the image, a phenomenon often seen in wide-angle lenses
  • First L series lens to feature STM motor and full-time manual focus capability, thanks to
    compact lightweight focus group
RF 10-20mm f/4L IS STM will open a whole new range of shots for videographers too

SPECS

RF 10-20mm f/4L IS STM
MountRF
Focal Length10-20mm
Maximum Aperturef/4
Minimum Focusing Distance0.25m
Maximum Magnification0.12x (at 20mm)
Lens Construction16 elements in 12 groups
FilterRear gelatinfilter holder
Aperture Blades9
Aspheric Lenses3
Image Stabilisation5.0 stops (in-lens Optical IS), Up to 6.0 stops (with IBIS coordinated control)
Focus Drive SystemSTM
DimensionsApprox. 112mm (length), 83.7mm (diameter)
WeightApprox. 570g
Lens CapCAP10-20 (included)
Lens CaseLP1210 (included)

PRICING AND AVAILABILITY

The RF 10-20mm f/4L IS STM lens is priced at $4,199 RRP (including GST). Available in Australia from this month, the lens will be supported by Canon Australia’s 5-year warranty when purchased from an authorised Canon Australia reseller.

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