Canon
Canon 8806A002 EF 17-40mm f/4L USM Lens Kit
f/4f/22
Capture Stunning Wide-Angle Images with Precision The Canon EF 17-40mm f/4L USM Lens (Renewed) delivers exceptional wide-angle performance with a constant f/4 aperture. This L-series lens features a sophisticated optical design and robust construction, ensuring high sharpness, clarity, and color ...
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Overview
Capture Stunning Wide-Angle Images with Precision
The Canon EF 17-40mm f/4L USM Lens (Renewed) delivers exceptional wide-angle performance with a constant f/4 aperture. This L-series lens features a sophisticated optical design and robust construction, ensuring high sharpness, clarity, and color accuracy. Ideal for landscape, architecture, and general photography.
Specifications:
- Lens Mount: Canon EF
- Focal Length: 17-40mm
- Maximum Aperture: f/4
- Optical Design: One Super UD element, three aspherical elements
- Coating: Super Spectra coating for flare and ghosting reduction
- Autofocus: Ring-type USM with full-time manual focus override
- Weather Sealing: Yes
- Included Accessories: 77mm 3 Piece Filter Kit, Lens Cap Keeper, Cleaning Kit
Key Features
Items Include: 1 x Canon EF 17-40mm f/4L USM Lens, 1 x 77mm 3 Piece Filter Kit, 1 x Lens Cap Keeper, 1 x Cleaning Kit
Spanning a versatile wide-angle range, the EF 17-40mm f/4L USM Lens is a Canon L-series zoom featuring a constant f/4 maximum aperture along with a sophisticated optical design and durable construction. One Super UD element is featured, along with three aspherical elements, which help to reduce both chromatic and spherical aberrations in order to realize high sharpness, clarity, and color accuracy. A Super Spectra coating has also been applied to suppress flare and ghosting.
Wide-angle zoom is designed for full-frame Canon EF-mount DSLRs, however can also be used with APS-C models where it provides a 27.2-64mm equivalent focal length range. Constant f/4 maximum aperture maintains consistent illumination throughout the zoom range. One Super Ultra-Low Dispersion glass element noticeably reduces color fringing and chromatic aberrations for high clarity and color fidelity.
Key Features: EF-Mount Lens/Full-Frame Format - Aperture Range: f/4 to f/22 - One Super Ultra-Low Dispersion Element - Three Aspherical Element - Super Spectra Coating - Ring-Type Ultrasonic Motor AF System - Weather-Sealed Construction - Rounded 7-Blade Diaphragm
Compatibility: Blackmagic Design Pocket Cinema Camera 6K, Blackmagic Design Pocket Cinema Camera 6K Pro, 1D X, 1D X Mark II, 1D X Mark III, 40D, 5D Mark II, 5D Mark III, 5D Mark IV, 5D Mark IV Canon Log, 5DS, 5DS R, 6D, 6D Mark II, 70D, 77D, 7D, 7D Mark II, 80D, 90D, C100 EF-Mount, C100 Mark II EF-Mount, C200 EF-Mount, C300 EF-Mount, C300 Mark II EF-Mount, C300 Mark III EF-Mount, C500 EF-Mount, C700 EF-Mount, SL1, SL2, SL3, T5, T5i, T6, T6i, T6s, T7, T7i, T8i
Specifications
Mount Type
EF-Mount
Format Compatibility
Full-Frame, APS-C
Focal Length Range
17-40mm
Maximum Aperture
f/4
Minimum Aperture
f/22
Special Elements
1 Super Ultra-Low Dispersion, 3 Aspherical
Coating
Super Spectra
Autofocus System
Ring-Type Ultrasonic Motor (USM)
Weather Sealing
Yes
Diaphragm Blades
7 (rounded)
Included Accessories
77mm 3 Piece Filter Kit, Lens Cap Keeper, Cleaning Kit
APS-C Equivalent Focal Length
27.2-64mm
Pros & Cons
👍 Pros
- Offers a versatile wide-angle zoom range from 17-40mm, suitable for various photographic situations.
- Features a constant f/4 maximum aperture, maintaining consistent exposure throughout the entire zoom range.
- Includes one Super UD element and three aspherical elements to minimize aberrations and enhance image quality.
- Equipped with a Ring-Type Ultrasonic Motor (USM) AF system for fast, quiet, and precise autofocus performance.
- Boasts a weather-sealed construction, providing increased durability and protection against environmental elements.
- Comes as a kit including a 77mm 3-piece filter kit, lens cap keeper, and cleaning kit for immediate use and care.
👎 Cons
- The constant f/4 maximum aperture, while consistent, may not be ideal for extreme low-light conditions compared to wider apertures.
- Despite the weather-sealing, specific resistance ratings to dust or moisture are not provided.
- The lens is designed for full-frame Canon EF-mount DSLRs, limiting native compatibility with other camera systems.
- The included filter kit and accessories are a welcome addition, but the quality of these accessories is not specified.
- While reducing aberrations, the overall sharpness or distortion characteristics across the zoom range are not detailed.
Frequently Asked Questions
What kind of cameras is this lens compatible with?
This lens is designed for full-frame Canon EF-mount DSLRs and can also be used with APS-C models, providing a 27.2-64mm equivalent focal length range.
Does this lens maintain its aperture throughout the zoom range?
Yes, the Canon EF 17-40mm f/4L USM Lens features a constant f/4 maximum aperture, maintaining consistent illumination.
Is this lens suitable for use in challenging weather conditions?
Yes, the lens features a weather-sealed construction, offering enhanced durability and protection against environmental elements.
What is included in the lens kit?
The kit includes the Canon EF 17-40mm f/4L USM Lens, a 77mm 3 Piece Filter Kit, a Lens Cap Keeper, and a Cleaning Kit.
What kind of autofocus system does this lens use?
It features a Ring-Type Ultrasonic Motor (USM) AF system for fast and precise focusing.
Does this lens help reduce lens flares and ghosting?
Yes, a Super Spectra coating has been applied to the lens to specifically suppress flare and ghosting.
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