![Diameter 50mm, Focal Length 95.5mm Biconvex Lens, Thickness 8.6mm, H-k9l Glass Material, No Coating, Optical Physics Experiment - Lenses - AliExpress Diameter 50mm, Focal Length 95.5mm Biconvex Lens, Thickness 8.6mm, H-k9l Glass Material, No Coating, Optical Physics Experiment - Lenses - AliExpress](https://ae01.alicdn.com/kf/Sb8a3a12bf2b54ddbafe317b59bc9babcx.jpg)
Diameter 50mm, Focal Length 95.5mm Biconvex Lens, Thickness 8.6mm, H-k9l Glass Material, No Coating, Optical Physics Experiment - Lenses - AliExpress
Halogeenverlichting ....................................................................1 Spots met Micro Lynx spaarlamp .......
![Abstract design made of numbers on the subject of modern computing, digital worlds and information processing Stock Photo - Alamy Abstract design made of numbers on the subject of modern computing, digital worlds and information processing Stock Photo - Alamy](https://l450v.alamy.com/450v/g07p5e/marker-on-an-old-paper-g07p5e.jpg)