This amendment hereby extends the due date further; the new due date shall be 9/4/2024 at 4PM PST. Please submit your responses by that date and time. In addition, this amendment replaces the previous salient characteristics to the salient characteristics below. Please use the salient characteristics below to compose your response. LED Slit Lamp Multiple magnification range; 5 minimum magnifications Large ocular field of view LED light source Slit image length variable range Slit image width variable range Illumination field with variable diameter Compatible with teaching tube and beam splitter need for an educational environment Compatible with an external mounted laser imaging system Slit image radial range: ± 90° Radial movement to the microscope axis: Horizontal ± 40 ° Filters: blue, red-free (green), grey (10%), heat absorption filter Must be compatible to be mounted on instrument stand