Focal Quick Focus Binoculars
Related Faq
Q
Can I use it to set the focal length manually?
A
It's a fixed focal length. So not. 
Q
What is the focal length of this camera?
A
Hello! F/2.2, f=3.37mm. 
Q
How to focus?
A
Dear Customer, Thank you for your question. Please check the following steps to setting the focus: (Do not look at too close objects) Step 1. Cover the right objective lens with your hand or close your right eye, rotate the central independent focusing wheel until the image in the left eyepiece is sharp and clear. Step 2. Now cover the left objective lens or close your left eye, rotate the right eyepiece focusing wheel to adjust the diopter of the right eye until the captured image is sharp. 
Q
Does the focal length change?
A
No, no focal length or aperture change. Works absolutely like the Canon original that I use. 
Q
Does this allow for auto focus?
A
No. This is manual adapter. I've used it for a vintage Takumar 70-200mm and it worked well if all you want is to mount it and have manual control. 
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