JJC Lens Mount Adapter for M42 lenses to Sony E Mount Body (LMA-M42_EM) USM The two zipper sliders are

The two zipper sliders are designed with small loops

Thanks to the fluid damping system with separate control for pan

The B-00k has full metal knobs for better usability

Attaching the “GF1

JJC Lens Mount Adapter for M42 lenses to Sony E Mount Body (LMA-M42_EM) USM The two zipper sliders areMade of black anodized aluminum the KIWIFOTOS LMA M42_EM lens mount adapter allows M42 (Zeiss, Pentax, Praktica, Mamiya and Zenit) lens to be used on any Sony E Mount NEX camera body. Infinite focus is guarantee. There is no electronic communication between the M42 screw mount lens and the Sony E mount camera body, auto focus will not be available, however. Use the lens in the fully manual exposure mode (M), or in the aperture priority (A) mode and