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The Canon RF 7-14mm f/2.8-3.5 L Fisheye STM is becoming more available after the initial rush of customers for a very cool lens. I haven't yet, but I only make fisheye photos enlarging noses.
B&H Photo has it in stock ready to ship for $1899. I don't know how many they have in stock, but I don't think you need to rush out for this one. The RF 14mm f/1.4L VCM? If you want that one, rush out to buy it as soon as you see it in stock somewhere. I think that one will be popular for quite some time.
Canon RF 7-14mm f/2.8-3.5 L Fisheye STM Overview
Combining a huge field of view with distinct fisheye rendering, the Canon RF 7-14mm f/2.8-3.5 L Fisheye STM is an ultra-wide zoom for creating striking, dynamic photos and videos. The first fisheye lens for the RF series, this lens brings an immensely wide 190° angle of view, both circular and diagonal coverage depending on focal length and format, and a host of convenient new design details for working with the unique lens.
Fisheye Rendering and Image Quality
Ultra-wide-angle fisheye lens offers truly unique rendering with strong distortion that is a perfect partner to action sports and action subjects, as well as a dynamic option for landscape, nature, underwater, astrophotography, and architecture applications.
Optical design includes five ultra-low dispersion glass elements and two aspherical elements; these specialized optics promote high color accuracy and sharpness along with a compact, lightweight construction.
Air Sphere (ASC) and Super Spectra (SSC) coatings reduce flare and ghosting for improved contrast.
Zoom Design
Relative to conventional focal length zooms, this fisheye zoom's change in focal lengths also affects the fisheye distortion and frame coverage.
At the 7mm position on a full-frame camera, this is a fully circular fisheye lens with a 190° angle of view. At the 14mm position on a full-frame camera, this is a diagonal, frame-filling fisheye with a 180° angle of view.
When used with APS-C-format cameras, there is a ‘C' position on the zoom ring at approximately 8.7mm, which indicates the point at which vignetting will disappear and this lens will fully cover the sensor area. Between 7mm and 8.7mm, the fully circular image will not fit within the frame but there will be significant vignetting.
