M58-M58 Focusing Helicoid Adapter Adjustable for Cameras Black 17 to 31 mm

Description:

Front mount: M58 screw mount female.
Rear mount: M58 screw mount male.
Made of high-quality aluminium alloy material, black anodized for longer service life and excellent hand feel.Extinction treatment on the inner side to avoid reflections affecting imaging.
This tube useful for lens without focusing system. And it also can be use as micro extension tube.
Note: There is no electronic element in the adapter, aperture and focusing must be manually control.

Specification:

Material: Aluminum Alloy
Size: Outer Diameter x Inner Diameter 75x58mm/ 2.95x2.28 inch
Weight: Approx. 74g
Focus: Manually

Size Chart:

Length: 17mm to 31mm (14mm movement distance for focusing)
Length: 25mm to 55mm (30mm movement distance for focusing)
Length: 36mm to 90mm (66mm movement distance for focusing)

Package Includes:

1 Piece M58-M58 Micro Extension Tube

Note:

1. Please allow 1-3mm error due to manual measurement.
2. Wish you a wonderful on-line shopping!