Test 20 Pentax objektivov v "Chasseur d'Images"
Moderátor: Moderátoři
jojo, to jsem koukal. Já to sem vložím: DA17-70 SDM
*Vignetting visible at 17mm and 70mm where you need to close aperture two notches to eliminate it.
*First half of zooming range gets chromatic aberation of red/blue fringes, very visible. It is THE drawback of that lens. Not better than 16-45 it seems on that point.
*Distortion: very noticeable until 21 where it becomes less intrusive and is pretty workable.
*Sharpness: performance level exceptional until 50mm where it goes down, especially wide open.
Overal: global quality and potentional a lot better than kit lens (18-55). SDM brings silence and reactivity and weather sealing is a nice add. Very good 'expert' choice.
weight: 485g
filter thread: 67mm
Price: not communicated.
Minimal focussing distance: 28cm
Dimensions: 75mm x 94mm
Rating: 4 stars out of 5.
To vypadá vcelku dobře. Sice nezaostří jako Sigma z 20cm, ale zase rychlost ostření asi bude úplně někde jinde a o utěsnění ani nemluvím.. ..tak co, za kolik myslíte, že ho u nás vystřelí?
*Vignetting visible at 17mm and 70mm where you need to close aperture two notches to eliminate it.
*First half of zooming range gets chromatic aberation of red/blue fringes, very visible. It is THE drawback of that lens. Not better than 16-45 it seems on that point.
*Distortion: very noticeable until 21 where it becomes less intrusive and is pretty workable.
*Sharpness: performance level exceptional until 50mm where it goes down, especially wide open.
Overal: global quality and potentional a lot better than kit lens (18-55). SDM brings silence and reactivity and weather sealing is a nice add. Very good 'expert' choice.
weight: 485g
filter thread: 67mm
Price: not communicated.
Minimal focussing distance: 28cm
Dimensions: 75mm x 94mm
Rating: 4 stars out of 5.
To vypadá vcelku dobře. Sice nezaostří jako Sigma z 20cm, ale zase rychlost ostření asi bude úplně někde jinde a o utěsnění ani nemluvím.. ..tak co, za kolik myslíte, že ho u nás vystřelí?