>> In my opinion, the FA*85/f1.4 gives a bigger blur for portrait >> shots, as it has a slighlty longer focal length (plus f1.4).
> 85mm is indeed slightly longer than 77mm, but the FA* 85/1.4 is > ~less~ than an 85mm lens at closer focus distances, so that the > difference between the autofocus 85/1.4 and the 77/1.8 might be > smaller than the FL numbers suggest (unless the 77/1.8 also shows > the same close-focus FL effect - what sort of focusing does the > 77/1.8 use?). > See the 2 "EFFECT OF ACTUAL FOCAL LENGTH ON IMAGE SIZE" links at: > http://www.cetussoft.com/pentax/85compar/ . > > Fred To the best of my knowledge (I don't own one) the 77 uses a fixed rear element ("FREE") focusing system. Since this is also associated with a distance change between single lens elements, the focal lenth will also change during focusing (don't ask me how much). Enjoy, Alexander __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
