Canon Rf 24 105 F4 Test
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Review by Klaus Schroiff, published December 2018
Introduction
Canon's new R organisation is still at the very beginning of its journey. Withal, it starts with two standard zoom lenses. 1 of them, the Canon RF 28-70mm f/2 USM 50 is out of reach for nearly mortals thanks to a heaven-high cost tag, while the other i, the Canon RF 24-105mm f/four USM L IS, reviewed here, will surely find its way into the handbag of most EOS R owners. It'southward worth noting that Canon is bolder than Nikon with their 24-70mm f/four for the new Nikon Z organisation - and most users will probably capeesh the extra flexibility equally well equally the fact that information technology's barely more than expensive at "just" 1100USD/1200EUR. Depending on the specific market place, information technology may exist a little more than affordable when purchasing it equally part of a photographic camera kit. Interestingly, the price is identical to the Canon EF 24-105mm f/iv USM 50 IS II (for DSLRs). Let's hope that this is a glimpse of hope for the lenses to come up considering other mirrorless camera manufacturers accept been pushing lens prices way across what nosotros've seen in the DSLR segment. 
In terms of construction, the RF 24-105mm f/4 USM L IS follows the recent "light-weight" Catechism L blueprint philosophy introduced with the Canon EF 85mm f/1.4 USM 50 IS. This design may not feel as "dense" equally on Canon Fifty lenses of old, only we'd easily charge per unit this as very good and upwards to professional person standards. It also features atmospheric condition-sealing. The lens does, even so, extend when zooming towards longer focal lengths. The zoom and focus command rings operate smoothly. Just like on the RF 50mm f/1.2 USM 50, y'all will find an boosted command ring at the lens' forepart. Information technology can be used to adjust a variety of settings, including discontinuity, ISO, and exposure compensation. You tin can likewise lock the lens in transport position, albeit we didn't experience any zoom creeping during our time with this lens. A petal-shaped lens hood is provided.
The AF system uses Canon's "Nano USM," and we have been a big fan of this i always since we tested the EF lxx-300mm f/iv-5.half dozen USM IS II. It'due south very fast, fifty-fifty by DSLR standards, and silent, besides. Transmission focusing works past wire, and information technology's best in class as far every bit precision goes. The RF 24-105mm f/4 USM L IS is a comparatively deadening lens, merely this is at to the lowest degree partially offset by an optical image stabilizer. Canon claims that information technology provides a gain equivalent to five f-stops. We wouldn't sign that statement with claret. In silent shooting mode (electronic shutter), we got around iii.5 to max iv f-stops from it, which is still adept, of course.
| Specifications | |
|---|---|
| Optical construction | 18 elements in 14 groups including 1xUD, 3x aspherical elements |
| Number of aperture blades | ix (rounded) |
| min. focus distance | 0.45m (max. magnification ratio one:4.16) |
| Dimensions | 83.5x107.3㎜ |
| Weight | 700g |
| Filter size | 77mm |
| Hood | petal-shaped (bayonet mount, supplied) |
| Other features | weather condition-sealing, image stabilizer (5 f-stops), front control band, fluorine coating |
Canon Rf 24 105 F4 Test,
Source: https://www.opticallimits.com/canon_eos_ff/1056-canonrf24105f4is
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