WIDA LIGHT CONCENTRATOR from batch 14 (May 2012)
https://www.euroserviziexport.com/shop/30852-wida-light-concentrator-from-batch-14-may-2012-9344
https://www.euroserviziexport.com/web/image/product.template/9344/image_1920?unique=c207926
Reduces light in a very bright spot Ø 10 mm.