Commlite TTL Auto Focus AF Macro Extension Tube Set Ring for Nikon

Features:for Nikon D7100 D5200 D3200 D800 D800E D5100 D7000 D3100

Support accurate TTL & Autofocus.Built-in electric pins.Combined with 3 tubes in different length: 12mm, 20mm, 36mm.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.
Specifications:

Material: , ABS, PC, Lead

Color: Black

Macro tube size: 6.9 * 8.9cm / 2.7 * 3.5in (D * H)

Macro tube weight: 190g / 6.7oz

Package size: 13 * 7 * 7cm / 5.1 * 2.8 * 2.8in

Package weight: 228g / 8.0oz

Package list:

1 * Plastic Macro Extension Tube Set

1 * Bag

1 * User Manual