Canon CJ18ex28B IASE S 28-500mm 4K LensCanon CJ18ex28B IASE S 28-500mm 4K Lens

Canon CJ18ex28B IASE S 28-500mm 4K Lens

Call for price

Category: Tag:

Lightweight and portable 4K zoom with incredible telephoto power

Canon CJ18ex28B 2/3” 28-500mm 4K broadcast zoom featuring a 2x extender for an extraordinary 1000mm reach.

Canon CJ18ex28B with its compact size, low weight and telephoto capability would be mainly used in documentary, live events and by wildlife shooters. The 18x zoom ratio supports a focal length of 28-500mm (56-1000mm with built-in 2x extender)

Enhanced image correction

The lens features correction data based on BT.2020. This enables excellent colour reproduction to the corners of the screen when attached to a 4K camera.


  • 4K Optical Performance
  • Super-Telephoto Shooting up to 1000mm
  • Compact and Lightweight
  • BT.2020 and HDR/Wide Colour Gamut Support



Focal Length

28 – 500mm / 56 – 1000mm

Zoom ratio


Maximum Relative Aperture (F number)

1:2.8 (28 – 286mm)
1:4.9 (500mm)

(With Extender)
1:5.6 (56 – 572mm)
1:9.8 (1000mm)

Angular Field of View

19.5° x 11.0° (28mm)
1.10° x 0.62° (500mm)

(With Extender)
9.8° x 5.5° (56mm)
0.55° x 0.31° (1000mm)


86.6in. / 2.2m

Shooting Range at M.O.D

71.0 x 39.9cm (28mm)
4.1 x 2.3cm (500mm)

(With Extender)
35.5 x 20.0cm (56mm)
2.1 x 1.2cm (1000mm)

Approx. Size (W×H×L)

Approx. 7.0 x 4.8 x 10.6in. /
177.8 x 122.5 x 268.3mm

Approx. Weight

Approx. 6.08lbs. / 2.76kg
(IASE S, main unit only)