Technical Evidence — EF300mm f/4L IS 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-300-f4l-is-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:20e51e0b8753747d | specs | product_name | EF300mm f/4L IS USM - Canon Camera Museum | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 4f659432ddfaac3b |
fact:2a510ec72aa81087 | specs | focal_length | 300mm | EXTRACTED | global.canon/en/c-museum/product/ef340.html | b4b22af831382f50 |
fact:6d090a95a580700e | specs | max_aperture | f/4 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 4cb7d4b2777d8190 |
fact:e3e48e8085a75f14 | specs | min_aperture | 32 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 428f14a41c797f57 |
fact:2ddaa7bb9f5d1cd6 | specs | weight_g | 1,190 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | d18bf31f5bf49a2a |
fact:6eefb8f891c41971 | specs | filter_diameter_mm | 77 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 4d8c5ee4c0866a02 |
fact:536d460aa71ece95 | specs | closest_focusing_distance_m | 1.5 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 0636bdd41d8cf501 |
fact:865b0e0819f3696b | specs | diaphragm_blades | 8 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | dba6a4679673e24f |
fact:c692a551a2389dfb | specs | lens_elements | 15 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 747979e948a2c3f2 |
fact:510b250e848bbef3 | specs | lens_groups | 11 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 2fe8a21d0694f98a |
fact:89212e058dd8cb33 | specs | marketed_date | March 1997 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 1f665378a50ecfcb |
fact:5a19b7ecf6212651 | specs | max_magnification | 0.24 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 029bcbd8e263a626 |
fact:bcd784b78f9113b1 | specs | original_price | 198,000 yen (w/case, built-in hood) | EXTRACTED | global.canon/en/c-museum/product/ef340.html | 7909ada130ed148a |
fact:17ca0530ed76316b | specs | raw_spec:maximum_diameter_x_length_mm | 90 x 221 | EXTRACTED | global.canon/en/c-museum/product/ef340.html | f2893a942a00ab6a |
fact:054af64faa814c16 | manuals | product_owner_manual_pdf | https://gdlp01.c-wss.com/gds/0/0300003450/02/ef300f4lisusm-im3-eng.pdf | EXTRACTED | my.canon/en/support/0300345001?model=EF300mm+F4L+IS+USM | 0b5193572658d2e6 |
fact:cfd6c5c682bd294c | manuals | product_manual_or_document | https://gdlp01.c-wss.com/gds/0/0300003450/02/ef300f4lisusm-im3-eng.pdf | EXTRACTED | my.canon/en/support/0300345001?model=EF300mm+F4L+IS+USM | 86a850c915bf00d9 |
ABSENT_ON_SOURCE records
| Fact ID | Family | Attribute | Status | Checked source |
|---|---|---|---|---|
fact:f44956580a5afa72 | compat | camera_body_or_teleconverter_matrix | ABSENT_ON_SOURCE | global.canon/en/c-museum/product/ef340.html |
gap:synthetic:canon-ef-300-f4l-is-usm:error_codes:error_code_table | error_codes | error_code_table | ABSENT_ON_SOURCE | — |