On 2016-02-17 23:03 , Philip Northeast wrote:
I tried mounting some of my lenses on a full frame Pentax body and then
looking through the viewfinder to see how much was obstructed.
There was surprisingly little vignetting in the corners, suggesting that the
useable image size with so called digital lenses may be larger than APS-C
size on a K1.
there's an interesting chart in the DPReview article that probably comes
from a Ricoh source so i'm going to reproduce it here to save people a page
load; this is what to expect from DA primes on the K-1:
DA 14mm - Crop Mode Only
DA 21mm Limited - Crop Mode Only
DA 15 F4 Limited - Crop Mode Only
DA 35mm F2.4 - Stopped-down
DA 35mm F2.8 Macro - Stopped-down
DA 40mm Limited - Stopped-down
DA 40mm XS - Stopped-down
DA 50mm F1.8 - Stopped-down
DA* 55mm F1.4 - Stopped-down
DA 70mm Limited - Stopped-down
DA* 200mm F2.8 SDM - Fully Functional
DA* 300mm F4 SDM - Fully Functional
DA 560mm F5.6 - Fully Functional
RC1.4X - Crop Mode Only
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