Laowa just launched a 0.7x ’speedbooster’, but what are they and how do they work?

Laowa 0.7x Focal Reducer
(Image credit: Laowa)

The new Laowa 0.7x Focal Reducer for 24mm f/14 2X Macro Probe is designed specifically for the company's highly specialized Probe lens, so it's not exactly a mainstream accessory.

However, it does show that Laowa is thinking along these lines, so we can only hope that this Chinese company brings its same optical quality and value for money to this fascinating type of lens adapter.

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Rod Lawton

Rod is an independent photography journalist and editor, and a long-standing Digital Camera World contributor, having previously worked as DCW's Group Reviews editor. Before that he has been technique editor on N-Photo, Head of Testing for the photography division and Camera Channel editor on TechRadar, as well as contributing to many other publications. He has been writing about photography technique, photo editing and digital cameras since they first appeared, and before that began his career writing about film photography. He has used and reviewed practically every interchangeable lens camera launched in the past 20 years, from entry-level DSLRs to medium format cameras, together with lenses, tripods, gimbals, light meters, camera bags and more. Rod has his own camera gear blog at but also writes about photo-editing applications and techniques at