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Forum: Pentax Lens Articles 08-14-2008, 07:50 AM  
Sticky: DA lenses on Full Frame: Test Shots thread
Posted By thePiRaTE!!
Replies: 523
Views: 445,808
I'm sure your explanation (currently under construction) will clearly describe it, but it is a 'must view' comparison of the 1.5x crop factor in effect, easily demonstrating that a 450mm field of view, is not an advanatage without the actual magnification of a 450mm lens. Still so many interpret APS marketing, suggesting that a lens such as the 300, is somehow 'equivalent' to a 450 in APS-C with the 1.5x crop factor. It is only the field of view which is equivalent, thus you are losing image with no advantage at all. Truth is shown here - crop is crop, its never advantageous.

It also shows the 300 is built with the future in mind - great shot from corner to corner there.
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