Tamron’s new ultra wide angle zoom for APS-C/DX is getting a bit of a blasting from reviewers. Now, when I see this happen, I get curious. Lens testing is often badly designed for such zooms, involving test chart targets at distances which are extremely close and result in very bad figures caused mainly by a strong curvature of field (dished, ‘cap’ shape relative to the camera) when gets worse in effect the closer you focus.

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Tag: 10-24mm
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Tamron 10-24mm f/3.5-4.5
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Tamron 10-24mm ƒ3.5-4.5 announced
TAMRON has announced that its new 10-24mm lens will be an ƒ3.5-4.5 design – not an ƒ2.8 as some rumours had it – and will hit the shops in Nikon and Canon mounts first, on September 20th.
