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.
- 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.
- F2.8 Large Aperture: 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.
- 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.
- 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.
- 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.
- Various Shooting Modes Supported: 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.
- 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:
- Firmware Upgrade: YN100mm F2N 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.
- Perspective Compression Effect: Focal length (100mm) of the lens is equipvalent to 160mm on APS-C camera. It’s easier to zoom in and brings perspective compression effect.
- F2 Large Aperture: F2 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): YN100mm F2N supports auto focus and manual focus. You can choose focus mode according to the practical shooting needs.
- 9pcs of Aperture Blades: With 9pcs of Aperture blades, YN100mm F2N helps making rounded defocused spots, or stops down to make effect of 18 stars.
- Durable Metal Mount: YN100mm F2N 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: YN100mm F2N is equipped with focus distance indicator. It’s convenient for you to judge distances and the depth of field.
- Various Shooting Modes Supported: YN100mm F2N 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.
- Gold-plating Technology: YN100mm F2N adopts gold-plating metal contacts to effectively increase signal conductivity and corrosion resistance.
