Review on Haoge Adapter Focusing Helicoid 17Mm 31Mm by Tom Roberts
What is this adapter for?
First, the position of all lenses with aperture and distance information is directed downwards, looking at the ground. 17mm to 31mm why?, the Sony E-mount flange focal length is 18.00mm, the M42 lens has a flange focal length of 45.46mm, so a normal Sony E-mount M42 lens adapter should have a distance of 27.46mm have what use is the 17mm to 31mm? I have no idea. HAOGE does not adequately explain the use of this adapter for the M42x1 mount lenses. The description of this product is not very good, it is not what it seems.
- Camera
- Doubtful purchase for older people
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