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Description for Tokina ATX-I 11-16mm f/2.8 CF Lens, F-Mount Lens/DX Format, f/2.8 to f/22 Aperture Range, 1 Touch Focus Clutch Mechanism, 9-Blade Diaphragm, For Nikon F, Black | ATX-I 11-16MM F2.8 CF
An update to a prized zoom, the Nikon F-mount atx-i 11-16mm f/2.8 CF from Tokina is a versatile ultra-wide zoom well-suited for landscape, architecture, and interior shooting. Characterized by its bright f/2.8 constant maximum aperture, consistent brightness is afforded throughout the zoom range and benefits working in available lighting conditions. The optical design incorporates a series of aspherical and low dispersion elements, which suppress a variety of aberrations for improved sharpness and clarity. Individual elements are also multi-coated to resist flare and ghosting for greater contrast and color accuracy when working in bright or backlit conditions. Complementing the optics, this lens features a One-Touch Focus Clutch Mechanism for fast changing between AF and MF settings, and an internal focusing design is used for responsive focusing performance.
F-Mount Lens/DX Format
16.5-24mm (35mm Equivalent)
Aperture Range: f/2.8 to f/22
Two Aspherical Elements
Two SD Low Dispersion Elements
Multi-Coated Elements
One-Touch Focus Clutch Mechanism
Internal Focusing Design
9-Blade Diaphragm
The Tokina atx-i 11-16mm F2.8 CF (CF means cropped frame) is designed as an ultra wide angle zoom lens for APS-C sensor DLSR cameras. It is the only f/2.8 fast ultra wide angle zoom lens for APS-C sized DSLR cameras in the current market (according to internal survey September, 2019).
The useful 11-16mm focal length is chosen in order to position this lens as an easy demanded gear after standard zoom lenses or initial wide angle zoom lens to start with.
A constant maximum aperture of f/2.8 throughout the entire zoom range is realized to achieve great results in low light environments, for depth of field control and easy manual shooting, while maintaining a reasonable size and weight of the lens.
Optical Performance
To achieve an exceptional optical performance demanded for ultra wide angle zoom lens in still and video shooting purposes, two aspherical glass elements and two Super-Low Dispersion glass elements were used in order to minimize distortion, manage spherical aberration and astigmatism while achieving excellent edge-to edge resolution and contrast of the entire image. Great efforts were done to control light fall-off at all focal lengths.
Anti-reflective multi-layer coating improves light transmission and minimizes reflections while water-repellent coating makes wiping and cleaning the surface of the front glass element easier.
Built Quality & Exterior Design
True to traditions, Tokina incorporated a lot of metal parts inside the lens for a reassuring built quality and long time utilization in different shooting conditions.
The sophisticated exterior design is specifically developed to match the design of contemporary DSLR cameras.
Mechanics & Electronics
Precise attention was also payed to zoom and focus ring rotation which has convenient amount with no play and made just enough tightly damped.
The Tokina atx-i 11-16mm F2.8 CF for Nikon F mount incorporates internal silent focusing motor in combination with precise GMR sensor to allow the lens to AF on Nikon bodies that do not have an AF drive gear and motor.
Highly valued One-touch focus Clutch mechanism allows to switch between autofocus and manual focus easy.
The overall length of the Tokina atx-i 11-16mm F2.8 CF does not change when focusing and zooming thanks to internal type of the focus construction.
High-Light Features
Ultra-wide 11-16mm focal length
Ideal for shooting landscapes, interiors, nightscapes, and group shots.
Constant maximum aperture of f/2.8
Great performance in low light shooting, exceptional depth of field control and easy manual management.
Excellent optical performance
Edge-to-edge sharpness, reduced flares and ghosting, excellent contrast.
Internal focus
No problems with lens balancing and using graduated or polarizing filters.
Water-repellent coating
Easy to wipe and maintain the front element clean.
One-touch Focus Clutch mechanism
Easy AF/MF switching without interruption of the shooting process.
Greatly balanced cost performance
Reasonable pricing compared to high level of performance.
For Still Photography
Ultra-wide 11-16mm focal length, constant maximum aperture of f/2.8 makes this lens an essential tool for the following genres of photography: landscape, group photos and environmental portraits, architecture (especially interiors) automobile photography, street photography and night sky photography.