* Item pictured for illustrative purposes only, actual item not pictured. See ‘Notes’ next to grade for included items.
Tokina atx-i 11-20mm f/2.8 CF Autofocus APS-C Lens for Nikon F-Mount {82}
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Standard accessories included
Tokina 11-20mm f/2.8 CF: APS-C wide-angle with constant fast aperture
The Tokina atx-i 11-20mm f/2.8 CF is a dedicated APS-C wide-angle zoom built around one commitment: f/2.8 across the entire focal range. No aperture creep as you zoom out, no compromises when light drops. That constant maximum aperture makes it a dependable tool for low-light wide-angle work where a variable-aperture kit lens would force you to push ISO.
The CF designation stands for Click/De-Click, meaning the aperture ring can be switched between clicked stops for stills shooting and a smooth, stepless rotation for video. That single mechanical toggle makes this lens genuinely dual-purpose than a compromise in either direction. Autofocus is built in, and the 82mm filter thread accommodates standard circular polarizers and ND filters for landscape and video work.
At 11-20mm on an APS-C body, you get a wide-angle range suited to architecture, tight interior spaces, and expansive landscapes. The f/2.8 ceiling keeps astrophotography and indoor event shooting within reach without a tripod becoming mandatory.
Who It's For
Landscape photographers working in golden hour or after dark will appreciate f/2.8 at 11mm, where gathering light without a tripod is often the difference between an usable frame and a blurred one. Video shooters benefit directly from the de-clicked aperture ring, which allows smooth in-shot exposure adjustments without the stepped jumps that ruin footage. Interior and architectural photographers who need a wide field of view on an APS-C body have a natural focal range here. Event and documentary shooters working in dimly lit venues get the fast aperture without sacrificing autofocus.
Key Features
- Constant f/2.8 maximum aperture across entire 11-20mm range
- CF Click/De-Click aperture ring for stills and video
- Built-in autofocus
- APS-C sensor coverage
- 82mm filter thread for circular polarizers and ND filters
- Wide-angle focal length suited to architecture and landscapes
FAQ
- Does the aperture stay at f/2.8 when you zoom from 11mm to 20mm?
- Yes. The constant f/2.8 maximum aperture holds across the entire focal range - no light loss as you extend to 20mm. That's the core design commitment.
- What does CF mean on this lens?
- CF stands for Click/De-Click. A mechanical toggle on the aperture ring lets you switch between clicked stops for stills work and smooth, stepless rotation for video. You don't need to choose one or the other permanently.
- Can I use this lens on full-frame Nikon bodies?
- Mechanically it will mount to any Nikon F-mount body, but it's optimized for APS-C sensor coverage. On full-frame, you'll see vignetting and the effective focal range shifts. Use it on APS-C.
- What filter size does this lens take?
- 82mm. That size fits standard circular polarizers, ND filters, and other rotating accessories you might already own for video or landscape work.
- Is autofocus built into this lens?
- Yes, autofocus is included. No manual-focus-only limitation.
- What focal length range is 11-20mm suited to on an APS-C camera?
- You're covering wide-angle territory - architecture, tight interiors, expansive landscapes. The f/2.8 aperture extends usability into low-light and astrophotography territory without forcing you to live on a tripod.
- Why does constant f/2.8 matter for wide-angle work?
- In low light or indoors, a variable aperture lens forces you to boost ISO as you zoom out. Holding f/2.8 across the range keeps shutter speeds and ISO stable, which matters for events, tight spaces, and night shooting.
| Specification | Value |
|---|---|
| Focal Length | 11-20mm |
| Max Aperture | f/2.8 |
| Mount | Nikon F |
| Filter Thread | 82 mm |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Tokina |
|---|---|
| Filter Size | 82mm |
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Nikon F Mount G Type |
| Lens Type | Ultrawide |
| Max Focal Length | 20mm |
| Min Focal Length | 11mm |
Learn what to expect cosmetically from each grade. Images are representative and may not reflect the exact item. All gear is guaranteed functional unless noted. Accessories are typically not included unless listed. Like New through Bargain grades include a 180-day warranty. Items may also be available.
Exceptions
- New
- New in box complete with manufacturer's USA warranty. Not previously owned or used.
- Like New
- Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
- As Is
- Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
Like New Minus
Like New Minus
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Excellent Plus
Excellent Plus
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Excellent
Excellent
Noticeably used with average signs of wear with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. 180-day warranty.
Bargain
Bargain
Heavily used with noticeable cosmetic and optical wear, but performance is mostly unaffected. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall. 180-day warranty.
Ugly
Ugly
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
