YONGNUO YN EF 50mm f/1.8 AF Lens YN50mm Aperture Auto Focus for Nikons Camera AS AF-S 50mm 1.8G
View-angle Coverate Diagonal: 46 Degree
View-angle Coverate Vertical: 27 Degree
View-angle Coverate Horizontal: 40 Degree
Lens Structure: 5 sets, 6 pieces
Minimum Aperture: F/16
Minimum Focusing Distance 0.45m
Maximum Magnification and Sight Range: 0.15X / 160x240mm ( when the distance is 0.45m )
Filter Diameter / Auantity Available 58mm / 1
Maximum Diameter and Length 74*60mm
Weight: about 203g
Setting Focus Mode
In order to shoot in Auto Focus (AF) mode, please set the focus mode switch as AF.
In order to shoot in Manual Focus (MF) mode, please set the focus mode switch as MF and rotate the focusing ring to focus.
Note: When AD (Auto Focus) function is enabled, please do not touch the rotating part of the lens.
Depth of Field
The depth of field indicator on the lens indicates the general depth of field.
If the camera supports depth of field preview (the aperture reduces) function, the depth of field can be previewed from the view finder.
If nessary, you can purchase a lens hood to protect the lens.
When mounting the lens hood, please hold the bottom of the lens hood with proper strength, align the lens hood lock index to the lens hood mounting index on the lens,and rotate the lens hood clockwise.
If the lens hood isn't mounted correctly, it may generate peripheral halo.
1.Manual focus has been adjusted to most clear but the image is till vague.
Please tear the protective film before using; Please clean fingerprints and dirt on both ends of glasses.
2.Photos out of focus when using AF.
Parts of high-end cameras supports focus fine-tuning function, please check if the fine-tuning value is set to 0.
3.Abnotmal communication of the lens when installed on camera.
Please check if the contacts of lens and camera with scratches of fingerprints and clean it.
4.When set as AF, the lens out of focus when half pressing.
Please check if your camera is set to AF.