IR Measurement Optics Assembly
Projects an 880 nm ring pattern through the pupil onto the retina and images the returning reflex onto a sensor; ring distortion encodes sphere, cylinder, and axis. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 14 rows shown · 35 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | 880 nm IR Source | autorefractor-ir-sld | 1× | 1 | — | part |
| 2 | Ring Aperture Mask | autorefractor-ring-aperture | 1× | 1 | — | part |
| 3 | Relay Lens Element | autorefractor-relay-lens | 3× | 3 | — | part |
| 4 | Hot Mirror Beamsplitter | autorefractor-hot-mirror | 1× | 1 | — | part |
| 5 | CMOS Image Sensor | image-sensor | 1× | 1 | — | part |
| 6 | Badal Focus Stage 4 parts | autorefractor-focus-stage | 1× | 1 | 28 | assembly |
| 6.1 | Servo Motor 4 parts | servo-motor | 1× | 1 | 24 | assembly |
| 6.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 6.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 6.1.3 | Encoder | encoder | 1× | 1 | — | part |
| 6.1.4 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 6.2 | Ball Screw | ball-screw | 1× | 1 | — | part |
| 6.3 | Encoder | encoder | 1× | 1 | — | part |
| 6.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $1–$80 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| sunnyoptical.com ↗ | Ningbo, CN | Optics & camera modules | 1,000 pcs | 8–12 wks |
| 🇨🇳OFILM ofilm.com ↗ | Shenzhen, CN | Camera modules | 1,000 pcs | 8–12 wks |
| vvdntech.com ↗ | Gurugram, IN | Electronics & camera modules | 1,000 pcs | 8–12 wks |
| truly.net ↗ | Shanwei, CN | Displays & camera modules | 1,000 pcs | 8–12 wks |
| aactechnologies.com ↗ | Singapore | Acoustics & optics | 1,000 pcs | 8–12 wks |