1. Opticron Rubber Objective Lens Covers 42mm OG XL Pair fits models with Outer Diameter 53~55mm
![Opticron Rubber Objective Lens Covers 42mm OG XL Pair fits models with Outer Diameter 53~55mm](https://m.media-amazon.com/images/I/41buvUqZQML._AC_SX500_SY500_.jpg)
2. Donegan LP-7 Replacement Lens Plate For OptiVISOR, 2.75x Magnification, 6" Focal Length
![Donegan LP-7 Replacement Lens Plate For OptiVISOR, 2.75x Magnification, 6" Focal Length](https://m.media-amazon.com/images/I/61P2gpXY0KL._AC_SX500_SY500_.jpg)
3. AmScope SM05 0.5X Barlow Lens For SM Series Stereo Microscopes (48mm)
![AmScope SM05 0.5X Barlow Lens For SM Series Stereo Microscopes (48mm)](https://m.media-amazon.com/images/I/710YK9gGwaL._AC_SX500_SY500_.jpg)
4. AmScope EG-SM Microscope Eyepiece Eyeshields or Eye-guards
![AmScope EG-SM Microscope Eyepiece Eyeshields or Eye-guards](https://m.media-amazon.com/images/I/61ryYJJjs3L._AC_SX500_SY500_.jpg)