Tag Archives: correction

Sigma Adds In-Camera Lens Aberration Correction Compatibility for Canon via Firmware Updates

From Sigma:   Thank you for purchasing and using our products.   We would like to announce that a new firmware update for SIGMA interchangeable lenses for Canon is now available.   This firmware allows compatibility with Canon’s in-camera Lens … Continue reading

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Canon Updates Many of Its DSLRs to Fix EF 70-300 IS II USM Profile Correction Bug

Canon has issued a number of DSLR firmware updates to address a lens correction profile bug relating to the EF 70-300mm f/4-5.6 IS II USM.   From the Canon EOS 6D firmware update: Corrects a phenomenon in which when using … Continue reading

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Viewfinder dioptre correction adjustment: what is it and how does it work?

In this article we look at viewfinder dioptre correction adjustment, providing a guide to what it is for and how it works In this article we look at viewfinder dioptre correction adjustment, providing a guide to what it is for … Continue reading

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Colour correction: Advanced technology guide

Bob Newman looks at why lenses are colour corrected because of dispersion Colour correction Bob Newman looks at why lenses are colour corrected because of dispersion What Digital Camera

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