Jesus! I thought I was rough on gear! :) On Sun, Mar 24, 2013 at 11:54 AM, P.J. Alling <webstertwenty...@gmail.com> wrote: > You probably shouldn't ask me. I tend to be a bit hard on my equipment... > > https://dl.dropbox.com/u/1604247/PDML/smcpa24filterring.html > > > On 3/23/2013 7:15 PM, Zos Xavius wrote: >> >> I've done some testing and decided that my FA 28-80 was completely >> decentered to the point of being unusable, especially over 50mm. I'm >> guessing its likely the sloppiness in the barrel....bad, bad, bad >> design and construction... I have to stop down to f13 to get a usable >> image that has ok sharpness across the frame. I'm going to retire this >> one. For a basically free lens I can't really complain. Its been on my >> camera pretty full time for a while now and I'm guessing I've just >> knocked it around too much or something. I tend to be pretty hard on >> gear and carry a camera pretty much full time, so it get exposed to >> the elements on a daily basis. What I'm getting at is that I'm about >> to switch to just fully using primes. I may get a 55-300 as that would >> be useful and I think I still want a 16-45 for city walk around shots >> and street. >> >> I have a 12-24 that I should be fixing soon, and hopefully won't need >> sent off for realignment. I got the aperture on my M 28mm 3.5 working >> again and am finding it a joy to use. It still needs sent off for a >> serious cleaning, but even with some dust and a bit of haze it is >> still giving nice sharp contrasty images stopped down. I think I might >> find another nice copy since they go for so cheap. I have an A50 1.7 >> that is razor sharp and an M 50 1.4 that is right up there with it, >> but I prefer the contrasty rendering of the A lens for landscape >> personally. If I could get an 18 and a 24mm prime for a reasonable >> price, I could have an all prime setup with my 12-24 for wide angles. >> Unfortunately 18 and 24mm lenses aren't plentiful or cheap for pentax. >> So I will have to use a zoom to fill in some gaps there until I can >> get rich and afford a 21 ltd. >> >> Ok, sorry this is turning into a long ramble. My question is that how >> do I deal with constant dust accumulating in my primes? Is this >> something that's just to be expected and I should look at sending >> lenses out every few years for cleanings? I have a nice tamron 60-300 >> sp that I eventually retired due to it becoming a dust pump and it has >> loads of internal dust just after using it to shoot flowers for a few >> months. Maybe the seals aren't very good in the lens anymore...too >> bad, it was a sharp zoom that is unlikely worth the cost of cleaning. >> I try to keep just keep my normal walk around lenses down to a minimum >> for this reason. Hence why I was using the cheap fa 28-80 for a while >> because I rather dislike the old 18-55 lens I have. >> >> I'll just be down to a 28mm and a 50mm for a while it looks like, so >> I'm trying to think about how I can better take care of my lenses or >> maybe if I should just start accepting that they are going to get >> dirty with constant use. I know a lot of you shoot in the outdoors and >> I hate lens swapping outside in the dusty air, but when you shoot >> outside all the time its kind of unavoidable. Especially with primes. >> I use a rocket blower a lot and wet clean the sensor as needed. My >> lack of a gear budget at the moment is really crimping my style. I >> seriously need to get some focal lengths available again. :( >> > > > -- > There are two kinds of computer users those who've experienced a hard drive > failure, and those that will. > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions.
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