Features:

Extension tubes are a perfect solution to allow ultra close focusing without sacrificing the optical properties of your lens or the need to buy a more expensive dedicated macro lens.

ProMaster Automatic Extension Tubes are precision engineered for a precise fit and proper communications between your camera lens and body.

The ProMaster Automatic Extension Tube Set includes a 12mm, 20mm, and 36mm tube that can be used individually or in combination to gain the right magnification for your particular need.SpecificationsSet includes: 12mm, 20mm, and 36mm tube in a pouch case

Specifications:

Set includes: 12mm, 20mm, and 36mm tube in a pouch case