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in this video I review the new Canon RF 24-105mm f/4-7.1 IS STM lens. This is a very versatile lens for the price and a fantastic beginner lens for the EOS R...
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Mount: Canon RF Full frame: Yes Autofocus: Yes Lens construction: 11 elements in 13 groups Angle of view: 74° - 19°20', 53° - 13°, 84° - 23°20' Diaphragm blades: 7 Minimum aperture: f/22 Minimum focusing distance: 20cm wide / 34cm tele (13cm wide in MF) Maximum magnification ratio: 0.21 wide (MF: 0.39) / 0.40 tele (MF: 0.5) Filter size: 67mm Dimens...
As an alternative to the existing RF 24-105mm f/4L, this lens' primary features are represented by the differences to its big brother. First and foremost is the size and weight; at just 76.6 x 88.8mm and 395g, this is positively tiny compared to the hulking 83.5 x 107.3mm and 700g form factor of the L-series version. It also features an STM (steppe...
Obviously the first thing you notice about the new 24-105mm is the form factor. Compared to the f/4L it feels incredibly sleek and slender, though feels no less sturdy or substantial for its lack of heft (though, unlike its big brother, this isn't a weather-sealed optic). Where the f/4L was clearly developed with the EOS R in mind, it did feel rath...
So what's the deal with the unique f/4-7.1 aperture on this lens? After all, most zoom lenses of this kind feature the standard f/3.5-5.6 aperture range (including the equivalent Canon EF 24-105mm f/3.5–5.6 IS STM). Canon explained to us that, between the faster AF systems employed by the R-system bodies and their more forgiving high ISO performanc...
We run a range of lab tests under controlled conditions, using the Imatest Master testing suite. Photos of test charts are taken across the range of apertures and zooms (where available), then analyzed for sharpness, distortion and chromatic aberrations. We use Imatest SFR (spatial frequency response) charts and analysis software to plot lens resol...
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