Macro Extension Tube 7mm/14mm/28mm for M42 Screw Mount Set for Film/Digital SLR Extension Adapters Accessory Extension Tube

Macro Extension Tube 7mm/14mm/28mm for M42 Screw Mount Set for Film/Digital SLR Extension Adapters Accessory extension tube Features: brand new and 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 / 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 of the M42 mount can turn an ordinary lens into a macro lens.Specifications:Material:AluminumApplicable lens: M42Color: BlackApplicable models: Mirrorless cameraPackage Includes:1x 7mm Tube1x 14mm Tube1x 28mm TubeNote:1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.

• 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.
• The close-up of the M42 mount can turn an ordinary lens into a macro lens.
• The three sections are 7mm, 14mm, and 28mm, respectively, and can achieve 1:1 magnification with a 50mm header.
• There are three sections in total, which can be used alone or together, but the aperture cannot be linked.
• The conversion formula is: magnification = the length of the adapter / 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.