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Viva

Lens types

I've got a Pental K110D (D for digital?) and just one lens at the moment - 52mm, 18 - 55.  So what does this all mean?         What are the limitations/qualities and what can I expect?  I won't be able to buy another lens for a while so want to make the most of it.
dtalbot

That is a good starter setup! And as with all modern digital SLRs the photographer rather than the camera is probably main main limiting factor! It's certainly the case with me!
It will do raw format which is the way to best results but does mean more work on the computer, akin to developing and printing a film! Raw as the name suggests saves the raw data from the CCD, if you use JPEG the camera does its best guess of developing the picture and you do loose some information (though it still will be a decent picture, you just loose a bit of flexibility). Picassa from google will do a good job of automatically converting the raw files but still leave you the flexibility to play with the raw files later if you want to. http://picasa.google.com/
It takes PENTAX K-, KA-, KAF- and KAF2-mount lenses so they should be easy to find reasonably priced if you do want more lenses, I'd say add a 70-210 or there abouts zoom to the kit you already have and you have pretty much all you'd ever want or need.
18-55 is the focal length of the lens, small numbers mean wider field of view, large numbers zoom in on distant objects. In 35mm terms the lens is equivalent to a 29mm to 88mm zoom so wide angle to short telephoto and at 6.1MP it is plenty good enough to blow up to A3 size enlargements! Pixel count isn't that important when you have a decent lens on the front, I've got a 12"x18" enlargment on the wall taken with a 3.2MP compact camera, but thanks to the rather good canon lens it has it looks fine!  A similar focal length lens is my first choice to take with me if I'm traveling and want to keep the ammount of kit I carry down (I usually do!).
52mm is the diamater of the treaded ring for filters on the front of my lens, if it hasn't got one on already I'd suggest putting a UV or Skylight filter on there and leaving it all the time to protect your lens, its a lot cheaper to replace a scratched filter than scratched lens. www.7dayshop.com is a good place to get cheap filters.
Viva

Ahhh, I see now!  Good link!  I had been using Speed Graphics but they had no filters in stock ... and they cost more  
dtalbot

7dayshop good (and usually cheap) for pretty much anything photo related, memory, film, batteries, cameras, cases, filters the lot! Have used them for yearsirst place I check out for everything I need!

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