Bresser WF 20x/30,5 mm ICD szemlencse Széles látószögű mikroszkóp-szemlencse This Widefield Eyepiece 20x is compatible to the following Bresser microscopes: Biorit ICD Researcher ICD Halogen Researcher ICD LED/Akku Advance ICD Bresser does not only offer many different microscopes but also much accessories. The eyepieces provide, along with the objectives, the magnification of the image. If you use strong magnifying eyepieces, a bright illumination is necessary