ProductSlope

EF28mm f/1.8 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 28mm f/1.8 USM, not a product family. Family-only evidence is listed as a gap instead of being treated as this SKU.

Specifications

Product name
EF28mm f/1.8 USM - Canon Camera Museum
global.canon/en/c-museum/product/ef331.html hash:b2b9b1fa18cfexact_model
Focal length
28mm
global.canon/en/c-museum/product/ef331.html hash:112ed0239f43exact_model
Maximum aperture
f/1.8
global.canon/en/c-museum/product/ef331.html hash:c767bfcd4ecdexact_model
Minimum aperture
22
global.canon/en/c-museum/product/ef331.html hash:865dcd34868eexact_model
Weight (g)
310
global.canon/en/c-museum/product/ef331.html hash:d7bc041955e4exact_model
Filter diameter (mm)
58
global.canon/en/c-museum/product/ef331.html hash:7ba429e337a5exact_model
Closest focusing distance (m)
0.25
global.canon/en/c-museum/product/ef331.html hash:404796ecd5ffexact_model
Diaphragm blades
7
global.canon/en/c-museum/product/ef331.html hash:081cedaf1625exact_model
Lens elements
10
global.canon/en/c-museum/product/ef331.html hash:5f61bbfa94caexact_model
Lens groups
9
global.canon/en/c-museum/product/ef331.html hash:333f0409db7aexact_model
Marketed date
September 1995
global.canon/en/c-museum/product/ef331.html hash:47352a68bb43exact_model
Maximum magnification
0.18
global.canon/en/c-museum/product/ef331.html hash:e884af7de000exact_model
Original price
70,000 yen
global.canon/en/c-museum/product/ef331.html hash:86aee1190ffeexact_model
Raw spec:maximum diameter x length mm
73.6 x 55.6
global.canon/en/c-museum/product/ef331.html hash:380ece74b6c2exact_model

Manuals & documents

Owner manual (PDF)my.canon/en/support/0300337401?model=EF28mm+F1.8+USM hash:0cd24a6e072dexact_model
Manual / documentmy.canon/en/support/0300337401?model=EF28mm+F1.8+USM hash:51d106adb634exact_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/ef331.html
  • Error codes / Error code table: ABSENT_ON_SOURCE — not found on checked manufacturer sources (not invented)