Yongnuo YN 40mm f/2.8N Lens for Nikon F

Yongnuo YN 40mm f/2.8N Lens for Nikon F

Yongnuo YN 40mm f/2.8N Lens for Nikon F

B&H # YOYN402.8N MFR # YN40MM F2.8/N
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Product Highlights

  • F-Mount Lens/FX Format
  • Aperture Range: f/2.8 to f/22
  • One Aspherical Element
  • Multi-Coated Elements
  • DC Autofocus Motor, AF/MF Switch
  • Micro-USB Port for Firmware Updates
  • Six-Blade Diaphragm
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Yongnuo 40mm f/2.8 overview

  • 1Description

Distinguished by its pancake design and slightly-wider-than-normal focal length, the YN 40mm f/2.8N from Yongnuo is a compact prime for Nikon F-mount DSLRs. The comfortable field of view of the lens pairs well with the sleek profile to make it an ideal everyday lens to suit photographing in a variety of situations. Its optical design incorporates one aspherical element to reduce spherical aberrations and distortions for greater sharpness, and individual glass elements are also multi-coated to suppress flare for improved contrast. A DC motor affords quick and accurate autofocus performance and a switch lets you quickly change from AF and MF focusing methods. Additionally, a micro-USB port is located on the front of the lens to permit installing firmware updates for the lens.

Slightly wider than the standard 50mm, this 40mm f/2.8 lens is designed for FX-format Nikon F-mount DSLRs, however can also be used with DX models where it provides a 60mm equivalent focal length.
Pancake form factor is slim and lightweight to make for an especially portable lens to suit everyday shooting.
Relatively bright f/2.8 maximum aperture affords control over depth of field and also helps to realize the compact overall size.
One aspherical element is located at the rear of the lens construction, and helps to minimize spherical aberrations and distortion for greater sharpness and clarity.
Individual glass elements are multi-coated to resist flare and ghosting for improved contrast and color fidelity.
A DC motor is used for quick and accurate autofocus performance, and a dedicated switch lets you quickly change from AF to MF control. A focus distance scale is also featured to aid with pre-focusing techniques.
Chrome-plated metal lens mount is durable and accurate for a secure fit with the camera body and gold-plated contacts help to ensure consistent communication between the lens and camera.
Six-blade diaphragm contributes to a smooth bokeh quality.
A micro-USB port is located on the front of the lens to allow for updating the lens's firmware.
In the Box
Yongnuo YN 40mm f/2.8N Lens for Nikon F
  • Front and Rear Lens Caps
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Yongnuo 40mm f/2.8 specs

    Performance
    Focal Length 40mm
    Aperture Maximum: f/2.8
    Minimum: f/22
    Camera Mount Type Nikon F
    Format Compatibility Nikon FX/35mm Film
    Angle of View Not Specified by Manufacturer
    Minimum Focus Distance 11.81" / 30 cm
    Magnification 0.18x
    Maximum Reproduction Ratio 1:5.5
    Optical Design 6 Elements in 4 Groups
    Diaphragm Blades 6
    Featuresyqbyubtqywxysxfervrwcavdwvscrrdvdud
    Autofocus Yes
    Physicalyqbyubtqywxysxfervrwcavdwvscrrdvdud
    Filter Thread Front: 58 mm
    Dimensions (DxL) Approx. 2.91 x 1.77" / 74 x 45 mm
    Weight 4.59 oz / 130 g
    Packaging Info
    Package Weight 0.6 lb
    Box Dimensions (LxWxH) 4.4 x 4.3 x 4.3"

    Yongnuo 40mm f/2.8 reviews

    YN 40mm f/2.8N Lens for Nikon F is rated 4.0 out of 5 by 3.
    Rated 4 out of 5 by from Works well enough for the pricepoint I was looking for a 40 mm pancake lens to use on my Nikon for street photography. This was the only option I could find for under $500. I have larger, more expensive, and better quality lenses, but wanted to get back to basics and travel light for Street photos. The lens fits the F- mount securely ( although, it's not weather sealed), and the Optics seem clear enough for non-professional use. It is true that the auto focus does need to hunt in even moderately dim light. I work around Lee hunting auto focus issue by using single point focus on a high contrast area near the subject, and recomposing the shot before releasing the shutter. It's also true that the body does have a somewhat cheap plasticky feel; but it's good enough for me. Honestly, how much abuse is a pancake lens really going to get anyway? Overall, it does what I need it to do and I'm glad that I bought it (so far).
    Date published: 2018-06-04
    Rated 4 out of 5 by from Good for an inexpensive, compact lens I bought this lens specifically to live on my old D3100 for use as a "baby cam" because I wanted a small, quiet package to take pictures of my young daughter. The image quality is good on a 14MP sensor, and the autofocus keeps up with my older camera. It's not as good a performer as Nikon's 35mm f/1.8 DX lens, but it does cost half as much and is smaller.
    Date published: 2018-02-14
    Rated 4 out of 5 by from Good AF Pancake Lens I wanted the most compact possible AF lens for a small, "around the house" DSLR. I've never understood why Nikon doesn't make one, so I went with this Yongnuo model. It's exactly what I expected and needed: a compact, inexpensive prime. The autofocus can hunt a little bit in dim light, but this is a perfectly fine tradeoff for the size and price.
    Date published: 2018-02-01
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    Yongnuo 40mm f/2.8 Q&A

    Yongnuo 40mm f/2.8 accessories

    Designed for use with:

    • Nikon D3200
    • Nikon D3300
    • Nikon D3400
    • Nikon D4s
    • Nikon D5
    • Nikon D500
    • Nikon D5200
    • Nikon D5300
    • Nikon D5500
    • Nikon D5600
    • Nikon D610
    • Nikon D7100
    • Nikon D7200
    • Nikon D750
    • Nikon D7500
    • Nikon D810
    • Nikon D810A
    • Nikon D850
    • Nikon Df