Asahi Pentax Reverse Adaptor 49mm

A 49mm lens-mount accessory for macro photography, designed to reverse M & A series lenses on Pentax camera bodies or bellows units.

Overview

The Asahi Pentax Reverse Adaptor 49mm lets 49mm lenses from Pentax's M and A series mount backwards for close-up work. One side screws into the front filter thread of the lens. The other connects to the camera body or a bellows unit. Used with a 50mm standard lens on a bellows, it gives magnification from 1.10x to 3.26x life size.

Specifications

Filter size	49mm
Compatible Model	49mm lens
Compatible systems	for M & A series lenses
Weight	50 grams (1.8 oz.)

Design

One side of the adaptor screws into the front threads of the lens. The other side attaches to the camera body or bellows unit, so it can go directly on either one, whichever the macro setup calls for.

Product Family

The Asahi Pentax Reverse Adaptor comes in several sizes. The 49mm version is for M and A series lenses. A 52mm version exists for K series lenses, and the K-mount adaptor line includes both 49mm and 52mm options.