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EF-S15-85mm f/3.5-5.6 IS USM – A notch higher in optical performance and design

Through this lens review series, you will learn how to build your own lens system as we go through the recommended lens for all APS-C users. In this article, we will focus on the high zoom EF-S15-85mm f/3.5-5.6 IS USM. (Reported by: Ryosuke Takahashi)

High image quality throughout the zoom range

Covering an angle of view that is equivalent to about 24 to 136mm in the 35mm format,  the EF-S15-85mm f/3.5-5.6 IS USM supports a wide array of photography genres from portrait to landscape. It is capable of producing highly-expressive depictions, such as a spectacular expanse at the wide-angle end and producing large bokeh effect at the telephoto end.  It comes with a UD lens and three aspherical lens elements, enabling fine image quality throughout the entire zoom range. The IS function, which offers a correction effect equivalent to about four shutter-speed stops, makes the lens an effective choice for shooting under low-light conditions. Most of all, there is negligible distortion in the depictions at the wide-angle end, and images are sharply resolved up to the peripheral areas.

At a Glance!

  1. Wide-angle equivalent to about 24mm
  2. Equipped with the Image Stabilizer (IS) function


FL: 15mm/ Aperture-priority AE (1/100 sec., f/11)/ ISO 100/ WB: Auto

This shot was taken at a wide-angle focal length of about 15mm. The sharp image quality boasts the top-class performance among the standard zooms in the EF-S lens series. You can enjoy the high-quality depiction of the lens, as illustrated in the detailed reproduction of the architectural structure here.


FL: 85mm/ Aperture-priority AE (1/100 sec., f/5.6, -1EV)/ ISO 400/ WB: Auto

With the powerful IS function of the lens, night photography is now enjoyable. A sharp image quality can be obtained starting from the maximum aperture, so you can select a low ISO speed with minimal noise.

EF-S15-85mm f/3.5-5.6 IS USM

Lens construction: 17 elements 12 groups
Closest focusing distance: Approx. 0.35m
Max. magnification: Approx. 0.21x
Filter size:φ72mm
Size: Approx. φ81.6×87.5mm
Weight: Approx. 575g

Click here to see details of the EF-S15-85mm f/3.5-5.6 IS USM

Ryosuke Takahashi

Born in Aichi in 1960, Takahashi started his freelance career in 1987 after working with an advertising photo studio and a publishing house. Photographing for major magazines, he has travelled to many parts of the world from his bases in Japan and China. Takahashi is a member of the Japan Professional Photographers Society (JPS).