ITEM NAME:Colorful Metal TTL & Autofocus AF Macro Extension Tube Ring for all EF and H1U5 Colorful Metal TTL & Autofocus AF Macro Extension Tube Ring for all EF and H1U5 Colour:Silver Black Materials: Aluminum, PC, ABS Macro tube size: 6.2 * 8cm / 2.4 * 3.1in (D * H) Macro tube weight: 146g / 5.1oz Support accurate TTL & Autofocus. Built-in electric pins. Compatible with all EF and EF-S lenses. Combined of 3 tubes with different length of: 13mm, 21mm, 31mm. Made of high-quality Aluminum material that is stronger. Upgraded circuitry to work better with digital SLRs cameras and SLR lenses. Superior lock pin which can tighten the tube joint. Perfect for macro shooting. High quality and compact. Package Content: 1 x Metal TTL Automatic AF Ring Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
