Extension tubes are designed to enable a lens to focus closer than its normal
minimum focusing distance. Excellent for macro photography, enabling you to
convert almost any lens into a macro lens at a fraction of the cost while
maintaining its original optical quality.
The PROMASTER Digital Extenstion Tube Set includes 3 tubes that can be used
individually or in any combination to achieve the desired magnification. In
addition they have been specially tuned to maintain the tight tolerances
required for proper communications between the lens and body of your digital
Fits Nikon DSLR & Traditional SLR.
• Set includes 12mm, 20mm, and 36mm tubes
• TTL/EE metering: Perfect
• Diameter: 62mm
• Weight: 2.1/3.0/4.4 oz.