- Model NO.: YN-2.0X III
- Focus Type: Teleconverter
- Type: Zoom Lens
EXTENDER EF 2X III
Lens mount index(on lens)
Lens mount index(on camera)
Lens release lever
Please read the instruction manual carefully before using the product.
Please keep the instruction manual properly for future reference.
Please use the product properly on the basis of fully understanding the content.
Using an Extender with this lens may result in incorrect autofocus.
If your camera has an AF microadjustment function,do the AFmicroadjustment.
If your camera does not have an AF microadjustment function,focusmanually if the AF precision is way off.
If the automatic focusing does not smooth,it is because the lens aperture is too small and zoom out two stop of the aperture to decrease half of the into light.At that time please use the automatic focus.
Mounting and dismounting the Extender
First attach the Extender to the lens,then attach it to the camera.Please follow the opposite procedures to disassemble.
To detach the Extender from the lens,push the lens release lever as shown by the arrow,then turn the Extender counterclockwise.
Maximum Aperture with the Extender
When Extender EF2X is attached,the lens maximum aperture will be smaller by 2 stop.In the above two case, the camera will compensate the exposure automatically.
Do not attach two or more Extenders on the same camera.Doing so will degrade the optical performance and the camera will not be able to obtain proper exposure readings.
In order to maintain the precision of autofocus control,the speed of automatic focusing will slow down when using the Extender.
When the lens taken from cold to warm places, the surface and internal condensation may occur. In order to prevent condensation, when taking the lens from cold to warm places, please first put the lens in sealed plastic bags, then take out after the lens warming up. And use the same method when taking out from the warm to cold places.
Mount:EF mount(Electronically controlled)
Lens construction: 9elements in 5 groups
Dimensions(max.dia. ×length): 55×73.9mm