Nikon 14mm f/2.8 AF-D ED
This ultrawide lens is optically very good. However, some vignetting is visible when used large apertures on a FX-body, disappearing at f/8. Some CA is also visible, mostly towards the corners. With such a large front element, some flare and ghosting is unavoidable, but these are much better controlled that in prion ultrawide designs.
It has a rear-focusing (RF) system and the near limit is 20 cm barely leaving free space in front of the lens. It also has a moulded aspherical front and uses Extra-low Dispersion (ED) glass. I obtained overall very sharp images with this lens even wide open, with just a hint of softness at the extreme corners. Its sweet spot is f/8 and f/16. Colours are vivid and saturated, thanks to the ED glass.
Distortions are generally well controlled, but some difficult to correct moustache distortion can be seen near the edges on FX. making it less than ideal for architectual shots. Bokeh is not great, with doughnut shaped out of focus lights.
Auto-focus is fast and precise. Because the focusing throw is very short, there is little or no focusing noise.
It has professional grade build, but the numerals are printed, not engraved. Mechanical construction is compact, and this makes it more convenient than the optically superior 14-14 mm f/2.8. It has a very small non-detatcable tulip-shaped solid metal lens-hood.
No hot spots are observed when used for infrared photography. You need to use gel filters into the designated rear holder to block visible light.
Rating: Ed: -, User: - (normalized, 0=useless, 50=average, 100=excellent).
Mount: Nikon F.
Aperture range: f/2.8 to f/22.
Close focus distance (CFD): 20 cm / 0.66 ft (from sensor plane).
CFD magnification: 1:6.7 / 0.15X.
Focus: AF (requires in-body focus motor).
Filter: gel insert (rear).
L x D, W: 87 x 87 mm, 670 g.
IR: No hotspot reports.
Approximate street price: USD 1710 (new, w/o tax).
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Nikon is a multinational corporation headquartered in Tokyo, Japan specializing in optics and imaging. Its products include cameras, lenses, flash units, scanners, binoculars, microscopes, measurement instruments, and steppers (used in semiconductor fabrication). The company was founded in 1917 as Nippon Kōgaku Kōgyō Kabushikigaisha (Japan Optical Industries Corporation), and renamed Nikon Corporation, after its cameras, in 1988. Nikon Corporation is one of the companies of the Mitsubishi Group.