M42 42mm Screw Mount Set For Film Digital SLR Lens Holder Adapters Ring
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Description
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The M42 close-up adapter can be used for remakes. It is divided into three adapters. The adapter is placed between the SLR body and the lens, and can be combined arbitrarily to obtain the required magnification. There are three sections in total, which can be used alone or together, but the aperture cannot be linked. The three sections are 7mm, 14mm, and 28mm, respectively, and can achieve 1:1 magnification with a 50mm header. The conversion formula is: magnification = the length of the adapter ring / the focal length of the lens. According to this, multiple adapter rings can also be combined to match different lenses to achieve the required close-up effect. The close-up ring of the M42 mount can turn an ordinary lens into a macro lens.
Description
(1)
The M42 close-up adapter can be used for remakes. It is divided into three adapters. The adapter is placed between the SLR body and the lens, and can be combined arbitrarily to obtain the required magnification. There are three sections in total, which can be used alone or together, but the aperture cannot be linked. The three sections are 7mm, 14mm, and 28mm, respectively, and can achieve 1:1 magnification with a 50mm header. The conversion formula is: magnification = the length of the adapter ring / the focal length of the lens. According to this, multiple adapter rings can also be combined to match different lenses to achieve the required close-up effect. The close-up ring of the M42 mount can turn an ordinary lens into a macro lens.
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