Canon RF 10-20mm f/4 L IS STM:
B&H Photo / Amazon / Adorama
Optical Limits published its full review of the Canon RF 10-20mm f/4 L IS STM which is an excellent performer. You can read the full review here or check out the excerpt below:
It’s a Canon L lens so it’s no surprise that the Canon RF 10-20mm f/4 L IS STM comes with a good portion of greatness … and a steep price tag. Its zoom range is more than just exotic – it is unique … while still providing impressive image quality that easily matches prime lenses in this range. It’s very sharp across the image frame at 14mm and 20mm, and it’s no slouch either at 10mm… However, it is highly advisable to leave image auto-correction activated all the time. Technically, this is an under-designed lens which requires digital correction due to massive image distortion and vignetting at 10mm. With auto-correction, the vignetting is moderate and image distortions are negligible. Lateral CAs are also not an issue. Flare performance is a bit of a mixed bag but it can usually be avoided if you are a bit flexible with your composition. Sun stars are nicely rendered at small aperture settings. … Highly Recommended!
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