| Brand | Ocular Instruments |
| Type | Genuine/Original |
| Model | OI-STD/GN |
| Country/Region Of Manufacture | United States |
| Intended Use/Discipline | Ophthalmology |
OI-STD Maxfield Standard 90D Slit Lamp Indirect Lens ( Green). Clear Aperture: 19mm. Laser Spot Mag: 1.34x. Lens Weight: 6g. unique combination of magnification and field. Dynamic FOV: 153°.