

Last year I already reported on the upcoming Yongnuo YN 100mm f/2 full frame DSLR lens for Nikon F-mount (above right). Yongnuo also has a new pancake 40mm f/2.8 lens coming soon (above left). Here are the details on both new lenses - for pricing check B&H and Amazon (not available at the time of this post):

Update: the lens is now in stock for $87.98 at Amazon and B&H.

Yongnuo YN 40mm f/2.8N lens





Specifications:

Focal Length 40mm Structure 4 groups 6pcs Aperture Blades 6pcs Minimum Aperture F/22 Minimum Focal Distance About 0.3m Maximum Amplification Factor About 0.18x Driving System DC Motor Filter Diameter 58mm Maximum Diameter and Length Aboutφ74×45mm Weight About 130g

Features:

Finishing Aspheric Lens: YN40mm F2.8N carries finishing aspheric lens, which effectively compensate various aberration.

YN40mm F2.8N carries finishing aspheric lens, which effectively compensate various aberration. Firmware Upgrade: YN40mm F2.8N has USB port.To maintain maximum compatibility and performance, the firmware of the lens can be updated. Please download the latest firmware from the offical YONGNUO website.

YN40mm F2.8N has USB port.To maintain maximum compatibility and performance, the firmware of the lens can be updated. Please download the latest firmware from the offical YONGNUO website. F2.8 Large Aperture: F2.8 bright and large aperture helps to blur out the background and highlight the subject.

F2.8 bright and large aperture helps to blur out the background and highlight the subject. Two Focus Modes Supported: Auto Focus (AF) and Manual Focus (MF): YN40mm F2.8N supports auto focus and manual focus. You can choose focus mode according to the practical shooting needs.

YN40mm F2.8N supports auto focus and manual focus. You can choose focus mode according to the practical shooting needs. 6pcs of Aperture Blades: With 6pcs of Aperture blades, YN40mm F2.8N helps making rounded defocused spots, or stops down to make effect of 12 stars.

With 6pcs of Aperture blades, YN40mm F2.8N helps making rounded defocused spots, or stops down to make effect of 12 stars. Durable Metal Mount: YN40mm F2.8N adopts chrome plated and high-precision metal mount, which is consistent with the camera. The mount is wearable, corrosion-resistantand durable.

YN40mm F2.8N adopts chrome plated and high-precision metal mount, which is consistent with the camera. The mount is wearable, corrosion-resistantand durable. Equipped with Focus Distance Indicator: YN40mm F2.8N is equipped with focus distance indicator. It’s convenient for you to judge distances and the depth of field.

YN40mm F2.8N is equipped with focus distance indicator. It’s convenient for you to judge distances and the depth of field. Various Shooting Modes Supported: YN40mm F2.8N supports various shooting modes. The aperture and other information can be found from EXIF.

YN40mm F2.8N supports various shooting modes. The aperture and other information can be found from EXIF. Glass Optical Lens, Multilayer Coating: All series of products adopt glass optical lens and multilayer coating, which effectively helps to increase the light transmittance and inhibit backlight and glare.

All series of products adopt glass optical lens and multilayer coating, which effectively helps to increase the light transmittance and inhibit backlight and glare. Gold-plating Technology: YN40mm F2.8N adopts gold-plating metal contacts to effectively increase signal conductivity and corrosion resistance.

MTF chart:



Lens design:

Yongnuo YN 100mm f/2N lens





Specifications:

Focal Length 100mm The equivalent focal length under 35mm APS-C format specifications About 160mm Structure 6 groups 8pcs Aperture Blades 9pcs Minimum Aperture F/19 Minimum Focal Distance About 0.9m Maximum Amplification Factor About 0.14x Driving System DC Motor Filter Diameter 58mm Maximum Diameter and Length Aboutφ76×83mm Weight About 440g

Features: