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.
- F-Mount Lens/FX Format
- Aperture Range: f/2.8 to f/22
- One Aspherical Element
- Multi-Coated Elements
Yongnuo 40mm f/2.8 Overview
Yongnuo 40mm f/2.8 Specs
|Lens Mount||Nikon F|
|Lens Format Coverage||Full-Frame|
|Minimum Focus Distance||11.81" / 30 cm|
|Optical Design||6 Elements in 4 Groups|
|Filter Size||58 mm (Front)|
|Dimensions (ø x L)||2.91 x 1.77" / 74 x 45 mm|
|Weight||4.59 oz / 130 g|
|Package Weight||0.605 lb|
|Box Dimensions (LxWxH)||4.4 x 4.35 x 4.3"|
Yongnuo 40mm f/2.8 Reviews
Sharp, cheap lens
I'm enjoying this lens quite a bit. I bought it mostly for its size. The one issue I have with this lens is having to use +2 exposure compensation for all my shots with a D5100. Seems to be some communication issue between the lens and body that I don't experience with other lenses.
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).
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.
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.
It is what it is
This lens was very inexpensive and I was testing it to see if it could be a good walk around lens for me on my Nikon. The auto-focus does hunt a lot, and the lens itself is fairly loud and fairly slow. I have heard there are improvements with a firmware update and I haven't been able to test it yet on that front. All in all it will be fine for me and is also fine for what you pay for.
Great walk around lens.
Shooting mostly on D7100. Good color and almost zero distortion or aberration. Best in standard or neutral mode. Super lightweight. Love it.
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