Series 01 · Reference information
BD500A1
Optical waveguide sight
Model identification, exterior image and source-bounded documentation for the optical waveguide series.
Read documentationERDI · Technical library
Smart optics
reference library
Five model-specific documentation records with owner-supplied exterior images, source-checked basic information, care notes and clearly identified references.
Informational reference onlyNo operating, installation or adjustment instructions are provided.
Series 02 · Reference information
HW256
Thermal fusion sight
Basic thermal-imaging documentation, product identity and care-source notes for the HW256 series.
Read documentation
Series 03 · Reference information
QX500B1
Holographic optical sight
Physical-format and environmental documentation, with model-specific exterior-care references.
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Series 04 · Reference information
FM500C1
Thermal imaging square Mini sight
Square-format thermal-series documentation and model-identity reference.
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Series 05 · Reference information
YM500D1
Thermal imaging round Mini sight
Round-format thermal-series reference covering basic imaging, physical and storage statements.
Read documentationEvidence before assertion
Product facts and general science are different sources.
Model records
Identity follows the owner's supplied material. Each model retains its own image and documentation.
Document-checked statements
Basic values retain source wording and conditions. Missing or conflicting information is not filled from a related model.
General references
Science and standards references explain terminology and limitations; they are not model test reports.
Non-operational information
Safety and care FAQ
Are the source documents and images interchangeable between models?
No. Each record has a separate identity and source map. Similar appearance or family names do not establish identical specifications or care requirements.
Model and media source-control noteAre these devices presented as solar-viewing equipment?
No. Do not use them to observe the Sun; NASA describes serious eye hazards when optics lack purpose-designed solar-viewing protection.
Source noteDoes a scientific reference establish calibrated temperature measurement?
No. NIST discusses calibration and uncertainty in thermography. A product-specific measurement capability cannot be inferred merely from an image or a general reference.
Source noteSource transparency
References and evidence limits
External references explain general science or safety. They do not test, certify or endorse these models.
- Model and media source-control noteERDI documentation review
Editorial rule: retain each model's own identity, document version and owner-supplied image. This is not an external scientific claim.
- Infrared Waves NASA Science
General infrared-science background; not a model specification or endorsement.
- Calibration and Measurement Procedures for a High Magnification Thermal Camera NIST · Lane & Whitenton · NISTIR 8098 (2016)
Thermography calibration and uncertainty; not a test of these products.
- IEC 60529 · Degrees of protection provided by enclosures (IP Code) International Electrotechnical Commission
Official standard abstract only; no product certification is asserted.
- Waveguides RP Photonics Encyclopedia · Rüdiger Paschotta
General optical terminology; not an assessment of BD500A1.
- Eclipse Viewing Safety NASA Science
General solar-viewing hazard guidance; these devices are not presented as solar-viewing equipment.
Documentation review: 2026-10-19. Source-checked does not mean independently performance-tested. Images retain their supplied appearance; photographic or rendered origin has not been independently established.