New Nikon D850 and 400mm 2.8 Back Focussing

New Nikon D850 and 400mm 2.8 Back Focussing

We all rightly assume that if you spend a considerable amount of money on a piece of photographic kit be it camera body or a lens (or both) it should produce “acceptable” results out of the box right, especially when it is pro kit like the Nikon D850 and 400mm 2.8! We...
Tamron Lens Calibration

Tamron Lens Calibration

The Holy Trinity of Calibration for Canon and specifically Nikon   Why is a Tamron lens calibration better than most other lens brands? One   of   the   biggest   issues   we   find   when   calibrating   lenses   with   Nikon cameras   is   that   Nikon  ...

Advisory on Sigma Lenses on Canon bodies

We have recently seen a re-emergence of an issue that was first addressed in 2016 when the Canon 1dx II came out. This glitch is caused when Peripheral Illumination Correction is enabled when using the camera with (predominantly) Sigma lenses – however we have also...
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