smc PENTAX-DA★ 55mm F1.4 SDM
Lens set at F4
“When I closed the aperture down to F4, vignetting along edges looked fine. Even though contrast at four corners appeared slightly low, other areas looked just fine. However, it might just my personal impression.”
FF – F4, 1/1600, ISO 100 | Download
Lens set at F2.8
“When I closed the aperture down to F2.8, vignetting and contrast along edges looked fair. However, it might be just my personal impression.”
FF – F2.8, 1/3200, ISO 100 | Download
Lens set at open aperture F1.4
“I detected slight vignetting and low contrast along edges in this open-aperture image. However, it might be just my personal impression.”
FF – F1.4, 1/8000, ISO 100 | Download
smc PENTAX-DA★ 200mm F2.8 ED [IF] SDM
Lens set at open aperture F2.8
“I noticed very little vignetting and excellent resolution along edges, although this might be just my personal impression.”
FF – F2.8, 1/4000, ISO 100 | Download
HD PENTAX-DA 40mm F2.8 Limited
Lens set at F5.6
“At this aperture, vignetting along edges is improved. Even though contrast at four corners appears slightly low, other areas looks fine. However, it might be just my personal impression.”
FF – F5.6, 1/1000, ISO 100 | Download
Lens set at open aperture F2.8
“I detected slight vignetting and low contrast along edges in this open-aperture image, although it might be just my personal impression.”
FF – F2.8, 1/4000, ISO 100 | Download
HD PENTAX-DA 70mm F2.4 Limited
Lens set at F5.6
“Vignetting along edges was improved. Even though contrast at four corners appeared slightly low, other areas looked fine. This was just my personal impression.”
FF – F5.6, 1/1000, ISO 100 | Download
Lens set at open aperture F2.4
“I detected slight vignetting and low contrast along edges in this open-aperture image, although it might be just my personal impression.”
FF – F2.4, 1/6400, ISO 100 | Download
