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EF17-40mm f/4L USM

Cameras — Lens · Canon

Provenance-backed · 16 cited reservoir facts

Each claim below is grounded in manufacturer or OEM sources and shows its citation. Missing evidence is listed as a gap — not invented.

This page is for the exact model Canon EF 17-40mm f/4L USM, not a product family. Family-only evidence is listed as a gap instead of being treated as this SKU.

Specifications

Product name
EF17-40mm f/4L USM - Canon Camera Museum
global.canon/en/c-museum/product/ef373.html hash:ef531e5a518cexact_model
Focal length
17-40mm
global.canon/en/c-museum/product/ef373.html hash:522c0a98a4ebexact_model
Maximum aperture
f/4
global.canon/en/c-museum/product/ef373.html hash:42a39a4a5cb0exact_model
Minimum aperture
22
global.canon/en/c-museum/product/ef373.html hash:76dc9712e62fexact_model
Weight (g)
475
global.canon/en/c-museum/product/ef373.html hash:89b8df0217d6exact_model
Filter diameter (mm)
77
global.canon/en/c-museum/product/ef373.html hash:cd7ea68b8f3cexact_model
Closest focusing distance (m)
0.28
global.canon/en/c-museum/product/ef373.html hash:43a6da632697exact_model
Diaphragm blades
7(circular aperture)
global.canon/en/c-museum/product/ef373.html hash:19f0a91e031dexact_model
Lens elements
12
global.canon/en/c-museum/product/ef373.html hash:015da793e71bexact_model
Lens groups
9
global.canon/en/c-museum/product/ef373.html hash:f6d81094c999exact_model
Marketed date
May 2003
global.canon/en/c-museum/product/ef373.html hash:74d67224f0b7exact_model
Maximum magnification
0.24
global.canon/en/c-museum/product/ef373.html hash:0ac14c659d10exact_model
Original price
120,000 yen
global.canon/en/c-museum/product/ef373.html hash:556f46d06148exact_model
Raw spec:maximum diameter x length mm
83.5 x 96.8
global.canon/en/c-museum/product/ef373.html hash:aea489a605c1exact_model

Manuals & documents

Owner manual (PDF)
gdlp01.c-wss.com / ef17-40f4lusm-im3-eng.pdf
my.canon/en/support/0300356201?model=EF17-40mm+F4L+USM hash:95ddd0a41800exact_model
Manual / document
gdlp01.c-wss.com / ef17-40f4lusm-im3-eng.pdf
my.canon/en/support/0300356201?model=EF17-40mm+F4L+USM hash:97473d04788eexact_model

Known gaps (not invented)

These attributes were checked on authoritative sources and were not found (ABSENT_ON_SOURCE). ProductSlope does not invent values for them.

  • Compatibility / Body / teleconverter matrix: ABSENT_ON_SOURCE — not found on checked manufacturer sources (not invented) — checked: global.canon/en/c-museum/product/ef373.html
  • Error codes / Error code table: ABSENT_ON_SOURCE — not found on checked manufacturer sources (not invented)
View technical evidence and source details