M42 to M42 Adjustable Focusing Helicoid Adapter 15-26.5mm 15mm to 26.5mm Macro Extension Tube Screw mount Lens Camera
1. This focusing helicoid tube is made with standard M42 mount and light-weight alloy. It is useful for those lenses without focus ring, offers fine focus control for macro photography.
2. Mounting Extension Tube in between the camera body and lens will create more distance between the lens and film plane. By moving the lens further away from the film or digital camera sensor, the lens is forced to focus much closer than normal. The greater the length of the extension tube, the closer the lens can focus.
3.Use this tube with your normal lens and you will get the quality, which is as good as the original lens and the size, sharpness and versatility is perfect for the macro and close-up pictures.
Material: Coated Metal
Length: 15mm(min) to 26.5mm(max), it offers a total of 11.5mm movement distance for the lens focusing.
Compatibility: M42 to M42mm screw mount lens and camera
With all M42 mount lenses you will need to use manual focus and manual aperture while shooting. Please make sure that your M42 lens has a switch or button to put the lens into stop-down mode, commonly referred to as the Auto-Manual or A/M switch.
1 X M42 to M42 (15-26.5mm) Focusing Helicoid Adapter