Jonathan wrote:
>#1)I was inspired to save up and hold out (look >harder?) for a Pentax K18/3.5 until I learned its true >focal length of 19mm. Where did you learn that? Mine seem awfully wide.... >Can it take the Cokin P system without vignetting? The 18/3.5 can take it if you're careful with the alignment of the filter holder. If you cut the two outermost filter slots it should be no problem. >#4)Speaking of f22, does anyone know how the A20/2.8 >does at this aperture? Stan's lens comment site >indicates the K18/3.5 is poor in this respect. The 18/3.5 isn't really that poor (you should have seen the results with my FA645 45/2.8 - that's poor). It suffers from soft corners at F:22. I have not used the 20mm lenses but I doubt that you will find any super wide angle that's not so-so at F:22 due to diffraction. Anyway, I recommend the 18/3.5. It is not that good wide open but it is excellent at mid apertures. A drawback for some will be the very warm color rendition. >As you can probably tell, I'm leaning toward aquiring >a 15mm ~and~ a 20mm to cover the ultra-wide range. I >don't really want to do this, but it seems I have >little choice. There dosen't seem to be a decent >quality "in between" lens that can take the place of >both. Well, I think the 18/3.5 qualifies... Pål - 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 .
