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Canon EF 40mm f/2.8 STM
Canon EF 40mm f/2.8 STM

Aperture Series: Aspen Trunks

The goal of this aperture series is primarily to show the rendering characteristics (bokeh) of the Canon EF 40mm f/2.8 STM pancake lens.

The series is presented at 50% (linear) of actual pixels (22-megapixel Canon 5D Mark III), and is best viewed on a very high resolution (Retina) display.

Test scene

The light was very blue with a strong green tint. Most of this has been white-balanced out.

Toggle the two images to see the difference or click for the full series.

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Since 2006, Diglloyd Advanced Photography is the authoritative review and reference for DSLRs and their lenses: Canon and Nikon primarily, but also Pentax and some medium format. Reviews of key DSLRs are included, but the primary focus is on lens performance. Also included is a wealth of technique and workflow approaches.

DAP includes thousands of pages of exclusive coverage and high resolution Retina-grade examples detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare, behavioral and practical usage.

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Aperture series 2.8, 4, 5.6, 8, 11, 16 available in full article

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