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Forum: Pentax K-1 & K-1 II
11-26-2017, 03:32 PM
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The “extra reach” in your examples is a product of the higher density pixel pitch of the k3 versus the k1. Nothing at all to do with crop sensor size.
I realise you understand this but we are now two decades into mass market digital SLR cameras and the crop factor confusion is as high as ever.
I personally think your description of the K3 having extra reach due to its pixel pitch is confusing to a newcomer to digital cameras. I started digitally with a Pentax *ist DS , 6 MP. When I used the DA*300 mm on that camera it was a 300 mm lens. It is nonsense to suggest that it is a 1200 mm equivalent lens if it is now mounted on a K3.
Discuss increased resolution of higher pixel count sensors by all means but don’t drag the lens focal length into the equation
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Forum: Pentax K-1 & K-1 II
11-26-2017, 10:48 AM
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In full frame mode the image you will see on the lcd screen will be the same as any other 300 mm lens would be.
In crop mode the image you see on the lcd screen (either in LV mode or after capture) will be bigger. But it will be the same size as any other 300mm lens in crop mode on the K1.
Does this mean you get extra "reach" in crop mode? No you do not. You simply get an image that was captured with less pixels (15mp versus 36mp) that is made larger because by its nature it has a narrower field of view. It will have less resolution, although still outstanding image quality.
You already have a K1. Switch to different modes and you will see the difference.
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Forum: Pentax K-1 & K-1 II
11-26-2017, 10:17 AM
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Forget you ever heard about crop factor, it does nothing but confuse. As has been said a 300mm lens is a 300mm lens whatever format you use it on.
The DA* 300 is great on the K1.
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