IR Measurement Optics

Assembly

Sony Ericsson W810i - camera module-4748.jpg · Commons ↗ Report photo

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.

Direct parts	6
Total parts	35
Used in	1 assembly
Class	Assembly

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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.

IR Measurement Optics parts and their functions

6 top-level parts · 35 parts in total · full bill of materials below

IR Measurement Optics parts diagram: 1 880 nm IR source, 2 ring aperture mask, 3 relay lens element, 4 hot mirror beamsplitter, 5 CMOS image sensor, 6 badal focus stage. 35 parts in 6 top-level items. — IR Measurement Optics parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	880 nm IR Source	1×	880 nm source
2	Ring Aperture Mask	1×	Measurement ring mask
3	Relay Lens Element	3×	Projection + receive relay
4	Hot Mirror Beamsplitter	1×	IR/visible separation
5	CMOS Image Sensor	1×	Reflex imaging
6	Badal Focus Stage 4 parts	1×	Badal focus drive

3D model

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Build & assembly graph

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Bill of materials for IR Measurement Optics

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

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Where the IR measurement optics is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Medical Devices 1 Autorefractor

Used in 1 assembly

Autorefractor

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $1–$80. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Sunny Optical 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
🇮🇳VVDN Technologies vvdntech.com ↗	Gurugram, IN	Electronics & camera modules	1,000 pcs	8–12 wks
🇨🇳Truly Opto truly.net ↗	Shanwei, CN	Displays & camera modules	1,000 pcs	8–12 wks
🇸🇬AAC Technologies aactechnologies.com ↗	Singapore	Acoustics & optics	1,000 pcs	8–12 wks