KOOKA KK-O25 25mm AF Auto Focus Macro Close-up Extension Tube Ring Metal Mount for Olympus OM 4/3 Lens---Support TTL Function ( Item#: D3625 )

This macro extension tube is compatible for Olympus OM 4/3 lens. Durable construction with fast-transmission electric pins， it supports auto focus and TTL auto exposure function.Features:Designed for Olympus OM 4/3 lens.Enables a lens to focus closer than its normal set minimum focusing distance， perfect for close-up shooting.Support AF and TTL auto function.Durable construction with fast-transmission electric pins.Front and rear caps are included to prevent the dust.Specifications:Brand: KOOKAModel: KK-O25Compatibility: for Olympus OM 4/3 LensMain Material: Metal & plasticItem Size: 6 * 6 * 3cm / 2.4 * 2.4 * 1.2inItem Weight: 80g / 2.9ozPackage Size: 8 * 7.2 * 10cm / 3.1 * 2.8 * 3.9inPackage Weight: 163g / 5.8ozNote:The camera is not included.Package List:1 * Macro Extension Tube1 * Front Cover1 * Rear Cover1 * Storage Bag1 * User Manual(English)"