| Model: | - |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Electronic Instrument / Optical Lens & Instrument |
| Label: | Risley Prism , Handheld RisleyPrism , Phoria Measure |
| Price: |
US $60
/ pc
|
| Min. Order: | 5 pc |
| Last Online:17 Jul, 2024 |
Prism ranges: +/- 20 PD with handle.
With red Maddox filter. The prism power is controlled with a convenient knurled rotating knob. Accurately calibrated dial shows prism diopter selected.
