Topcon Variable Extension Tube #7 (0–30 mm) Lens adapter

Topcon No. 7 variable helicoidal extension tube (0-30 mm) original, manufactured by Tokyo Optical Co., Ltd., Japan, for Topcon Exakta bodies.

Macro photography accessory allowing continuous adjustment of extension from 0 to 30 mm.

Tested on a Topcon body: mounting, locking, and extension mechanism are functional.

In very good cosmetic condition with its original case. A desirable accessory sought after by collectors and users of vintage photographic equipment.

* Weight: about 0.35 kg
* Dimensions: about 8 × 8 × 7 cm (with case)
* Material: aluminum, steel and leather (case)
* Color: silver and black
* Shipping method: tracked Colissimo with insurance