Technical Evidence — EF400mm f/4 DO 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-400-f4-do-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:d1b51f116c5095f8 | specs | product_name | EF400mm f/4 DO IS USM - Canon Camera Museum | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 39abb0ae0a5d6eb5 |
fact:f60d4d54d877b8a1 | specs | focal_length | 400mm | EXTRACTED | global.canon/en/c-museum/product/ef366.html | f85f6e01dd20e1c7 |
fact:e61af44538e6b083 | specs | max_aperture | f/4 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 3b4285eb0d4fb5d5 |
fact:54ce1867d18f24ae | specs | min_aperture | 32 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | c68363fb46ff0a26 |
fact:8c4991a5367ab3ad | specs | weight_g | 1,940 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 8db3bf255f7fb9b9 |
fact:31676b2115432066 | specs | filter_diameter_mm | 52 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 03df17dc398d72a8 |
fact:4f609f1627e5bc54 | specs | closest_focusing_distance_m | 3.5 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | ac05d615cf670866 |
fact:a4af2a619427d38a | specs | diaphragm_blades | 8 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 8b2ddb84780b57a9 |
fact:e462e6583b1067b0 | specs | lens_elements | 17 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | d8837fd5483199c6 |
fact:b67ef54cbcad7aff | specs | lens_groups | 13 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 684fa2c37f835122 |
fact:664dfd0fc1fd3f42 | specs | marketed_date | December 2001 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 156c6c4bca150c52 |
fact:4f74508c50011d90 | specs | max_magnification | 0.12 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 55295aef3ea25563 |
fact:e6fe9be498af38f0 | specs | original_price | 770,000 yen (w/case) | EXTRACTED | global.canon/en/c-museum/product/ef366.html | cb0fd54e5fc704b3 |
fact:782d3af5b0a26e92 | specs | raw_spec:maximum_diameter_x_length_mm | 128 x 232.7 | EXTRACTED | global.canon/en/c-museum/product/ef366.html | 45de8e927b77069f |
fact:42a28d83534e2d6e | manuals | product_owner_manual_pdf | https://gdlp01.c-wss.com/gds/0/0300003460/02/ef400f4doisusm-im3-eng.pdf | EXTRACTED | my.canon/en/support/0300346001?model=EF400mm+F4+DO+IS… | 3c60163230e31ac9 |
fact:bca06cda8e47a60d | manuals | product_manual_or_document | https://gdlp01.c-wss.com/gds/0/0300003460/02/ef400f4doisusm-im3-eng.pdf | EXTRACTED | my.canon/en/support/0300346001?model=EF400mm+F4+DO+IS… | 264a5896510b0bcc |
ABSENT_ON_SOURCE records
| Fact ID | Family | Attribute | Status | Checked source |
|---|---|---|---|---|
fact:a74fc8b691326f8b | compat | camera_body_or_teleconverter_matrix | ABSENT_ON_SOURCE | global.canon/en/c-museum/product/ef366.html |
gap:synthetic:canon-ef-400-f4-do-is-usm:error_codes:error_code_table | error_codes | error_code_table | ABSENT_ON_SOURCE | — |