– The Focusing Helicoid Adapter M42 to M39 10mm-15mm Adjustable Macro Extension Tube is designed for photographers who need to make precise focus adjustments when shooting macro photography.
– It is made of high-quality aluminum alloy, which is durable and lightweight.
– The adapter has a 10mm-15mm adjustable extension tube, which allows you to fine-tune the distance between the camera and the lens.
– This allows you to achieve the perfect focus for your macro shots.
– The adapter is also compatible with a variety of M42 and M39 lenses, making it a versatile tool for any photographer.