Technical Evidence — EF50mm f/1.4 USM
Reservoir facts published for this SKU with provenance URLs and content hashes. Generated by PRODUCTGRAPH_REPUBLISH_OVERLAY_001.
Entity Metadata
| Field | Value |
|---|---|
| Manufacturer or brand | Canon |
| Entity type | Lens |
| Product ID | canon-ef-50-f1-4-usm |
| EXTRACTED fact count | 16 |
| ABSENT record count (deduped rows shown) | 2 |
| Reservoir | data/product_knowledge_reservoir/ |
EXTRACTED reservoir facts (16)
| Fact ID | Family | Attribute | Value | Status | Source URL | Hash |
|---|---|---|---|---|---|---|
fact:287b1fb4aee7fa03 | specs | product_name | EF50mm f/1.4 USM - Canon Camera Museum | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 9886838403f2d0b2 |
fact:487f074daa60399a | specs | focal_length | 50mm | EXTRACTED | global.canon/en/c-museum/product/ef318.html | f117f371f3500d18 |
fact:eafd300352bfd6fd | specs | max_aperture | f/1.4 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | a81d5f65f623b096 |
fact:b0f7b57ff90e6ae8 | specs | min_aperture | 22 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 3cc6991a26ca4a65 |
fact:441df6dc0290bc1f | specs | weight_g | 290 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | dc3ca5a61f1e5ba3 |
fact:552cb2aa5980d171 | specs | filter_diameter_mm | 58 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | b95b7c25e4ac00b5 |
fact:e26c0ca9b168c616 | specs | closest_focusing_distance_m | 0.45 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 4be121dc40b4e3f2 |
fact:80387e3af6c85b27 | specs | diaphragm_blades | 8 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 9ab1a27c88f1067c |
fact:3d42f5774ace392a | specs | lens_elements | 7 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 3b765fe21d571998 |
fact:5786000606790664 | specs | lens_groups | 6 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 1542c353cfed0961 |
fact:3ff398d4bc18ad79 | specs | marketed_date | June 1993 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 024af10ea4605f97 |
fact:7b37a13d6d3155d0 | specs | max_magnification | 0.15 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | c0a00ea219b18679 |
fact:d8d013dfd797abd9 | specs | original_price | 49,000 yen | EXTRACTED | global.canon/en/c-museum/product/ef318.html | 3344bd6cdb2b4229 |
fact:2e2ec90c4835b5f2 | specs | raw_spec:maximum_diameter_x_length_mm | 73.8 x 50.5 | EXTRACTED | global.canon/en/c-museum/product/ef318.html | c9a16b88f70068df |
fact:537b0d2d67e5df61 | manuals | product_owner_manual_pdf | https://gdlp01.c-wss.com/gds/0/0300003400/02/ef50f14usm-im3-eng.pdf | EXTRACTED | my.canon/en/support/0300340001?model=EF50mm+F1.4+USM | 598a371442a471ee |
fact:d1829c2dfde33f81 | manuals | product_manual_or_document | https://gdlp01.c-wss.com/gds/0/0300003400/02/ef50f14usm-im3-eng.pdf | EXTRACTED | my.canon/en/support/0300340001?model=EF50mm+F1.4+USM | 6b92cadb41c0c33d |
ABSENT_ON_SOURCE records
| Fact ID | Family | Attribute | Status | Checked source |
|---|---|---|---|---|
fact:5db9f2ce5edf8544 | compat | camera_body_or_teleconverter_matrix | ABSENT_ON_SOURCE | global.canon/en/c-museum/product/ef318.html |
gap:synthetic:canon-ef-50-f1-4-usm:error_codes:error_code_table | error_codes | error_code_table | ABSENT_ON_SOURCE | — |