>Can't say for A,� >Why would you want to use 1/22 in the first place? I am just curious.
I know that f22 sounds like an overkill, (especially with wide angle lenses), but I frequently use every inch of the DOF available to me. I am a botanist, and I like to make environmental portraits of very small plants. I often photograph my subjects at close distances, and try to maintain sharpness in the background at the same time. Here in northern Arizona, there is almost always something picturesque I wish to include behind what ever botanical jewel I happen to be photographing. >Where did you learn that? [K18/3.5 actually being 19mm] Mine seems awfully wide.... It was right here on PDML last week (sorry, I haven�t gotten to know the posters on a first name basis so I can�t give credit here). >The 18/3.5 can take it� [the Cokin P system] Thanks, this is good to know, and pushes me in favor of this lens considerably. It would seem to be the most �filter friendly� of the bunch, in spite of the fact that it can�t take 58�s directly in the front threads. >The 18/3.5 isn't really that poor� Anyway, I recommend the 18/3.5. A drawback for some will be the very warm color rendition. Is it possible that this is a sample variation? Have other owners noticed this? One poster on Stan�s lens comment site said it was identical to his K20/4 in respect to color rendition with the skylight filter selected (or maybe the K20/4 is warm too?). At any rate, I don�t think the warm cast would bother me much. >Well the measured FL of the FA20f2.8 at the photodo site is 20mm if this is of any help? >Have you considered the Pentax FA 20mm 2.8, I have one and it's an awesome lens? I simply named the A20/2.8 because I prefer MF enough to foot the extra cost, and as far as I know, they are optically identical. If it is a true 20mm, it makes it pretty comparable to the K18/3.5 or 19mm or whatever it is. >I hate to ask you this question, but here goes, Why get a great, expensive , sharp Ultra Wide, then put a plastic filter in front of it? Good point and well taken. I don�t like Cokin filters either (I tried these when I first got into photography), but I use the system to hold singh-ray�s ND grads and their ilk. I don�t have many �P� filters (only two now actually), but when I do pop for singh-ray or lee filters, it would be nice if my choice of an ultra-wide lens could use them. Thanks again for the suggestions/comments -Jonathan- Yahoo! Health - your guide to health and wellness http://health.yahoo.com - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .

