Canon lenses calibration

Started 5 months ago | Discussions thread
Ken60 Senior Member • Posts: 2,282
Re: Canon lenses calibration

I had a lens that produced similar issues with varying results, cost me a repair bill for a rebuild and a couple of parts.

Lighting is relevant, if you are using a lens for landscape I would suggest calibrating in daylight..... the longer wavelengths of tungsten will make a difference.  As you are aware so are the issues with slower speeds induced by often lowish lighting indoors.  They also suggest working at the distances most used in practice...... so making a macro lens perfect at 15 feet is not the best plan.    Pray for a bright cloudy day , with a constant EV.

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Gear ... what I need to get the job done , after all you don't see mechanics listing their brand of spanner as a qualification .

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