User Manual for Tokina AT-X 11-20mm f 2.8 PRO DX Lens for Canon EF Click to enlarge the picture
Contents of the user manual for the Tokina AT-X 11-20mm f 2.8 PRO
- Product category: SLR Lenses Tokina
- Brand: Tokina
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Tokina SLR Lenses
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User manual for the Tokina AT-X 11-20mm f 2.8 PRO contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Tokina product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Tokina user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Tokina product will considerably shorten its lifespan!
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Product description Best SLR Lenses of 2017 Read More A versatile wide-angle zoom for Canon APS-C-format DSLRs, the AT-X 11-20mm f/2.8 PRO DX Lens from Tokina offers a 17.5-32mm equivalent focal length and features a constant f/2.8 maximum aperture for maintained brightness throughout the zoom range. One P-MO hybrid aspherical element and two glass-molded aspherical element work in tandem to minimize distortions and control various aberrations while three SD ultra-low dispersion elements reduce chromatic aberrations for increased clarity. A multi-layer lens coating has also been applied to further enhance overall light transmission and color accuracy by suppressing lens flare and ghosting. Well-suited to working in a wide variety of situations, this ultra-wide zoom covers an array of wide-angle perspectives while maintaining consistent illumination for working in challenging lighting.
Benefitting the usability, a one-touch focusing clutch permits quick switching between autofocus and manual focus modes, and an internal focusing design maintains the overall length of the lens during use. The medium-torque focusing ring further benefits precise handling by allowing for refined control when manually focusing. Additionally, this lens sees the incorporation of a nine-blade diaphragm, which contributes to a pleasing out-of-focus quality when employing shallow depth of field shooting techniques. - Compatible with Canon APS-C-format DSLRs, this wide-angle zoom provides a 17.5-32mm equivalent focal length and features a constant f/2.8 maximum aperture for consistent low-light performance throughout the zoom range.
- One P-MO hybrid aspherical element in the front group pairs with two glass-molded aspherical elements in the rear group to minimize distortions and correct aberrations. Additionally, three SD ultra-low dispersion elements are also incorporated within the lens design to further reduce chromatic aberrations for greater color accuracy and clarity.
- Multi-layer lens coatings reduce lens flare and ghosting for greater contrast and maintained color fidelity.
- A one-touch focus clutch mechanism permits seamless switching between autofocus and manual focusing positions, and the focusing ring features a moderate amount of torque for more fine-tuned control over the focusing position.
- An internal focusing mechanism maintains the overall lens form factor during operation.
- A nine-blade diaphragm contributes to a smooth out-of-focus quality, which benefits the use of shallow depth of field techniques.
In the Box Tokina AT-X 11-20mm f/2.8 PRO DX Lens for Canon EF Front and Rear Lens Caps BH-821 Lens Hood Limited 1-Year Warranty Macro Lens Buying Guide Todd Vorenkamp 11/27/2018 sxzsfdyuvrsdvxvuwuyttwbtrsdwfyc Table of Contents
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Technical parametersTokina AT-X 11-20mm f/2.8 PRO DX Specs | Focal Length | 11 to 20mm (35mm Equivalent Focal Length: 17.5 to 32mm) | | Maximum Aperture | f/2.8 | | Minimum Aperture | f/22 | | Lens Mount | Canon EF | | Format Compatibility | APS-C | | Angle of View | 104.34
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