I have a pentax 28 – 80 lens and a tokina 60 – 300. I don’t know if normal and digital lens are interchangeable. If they are usable, which would be the best camera to buy
depends on the mounting of the lenses.
Most manufacturers started to use bayonet mounts for new cameras from the early 80’s on. so there is a fighting chance your lenses may work.. as to what cameras they will work in it will be manufacturer specific…. so that means Pentax cameras (or the Samsung rebadged Pentax).
so thats the good news
now some possible bad news
the leNs may fit on the dSLR body, but it may well not work fully.. that means you may have to manually focus the lens.. not really a problem (assuming the dSLR has a suitable focussing screen in the viewfinder (or if you can add one.))
depending on the lens you may have to manually stop down the lens to take photos… stopping down the lens can cause before taking a light readiong can cause problems with some metering systems.
If I were you I’d consider ditching the 28-80 lens, perhaps keep the telephoto and buy a pentax body. if the 28-80 lens is an especially good lens then consider keepign it and buy a body alone
OR
accept that the lenses don’t owe you anything and start from scratch,, and buy a dSLR becuase its right for you. you don’t have a huge investment in lenses so you may be wiser to buy for the future, and not because of the past.
one thig to bear in mind is that digital cameras due to their design have a multiplier effect when comapring to 35mm file.. for most cameras using the APS-C format this is about 1.5 to 1.7 x’s the nominal size (ie the 60-300 becomes approxiamtely 80…450mm
the only real decision in my mind is you want to save some pennies right now and use your existing len(s) or whether you want to embrace the digital world wholly. Ive heard some suggestions that although you can use lenses from 35mm cameras, quite often the lens quality is compromised when used in a dSLR.
BTW I was very impressed with the Pentax/Samsung dSLR’s I looked at.. looked very good, waterproof, but I was swayed by the Olympus E series lack of weight compared to the bloated size and weight of the Nikon’s, Canon’s and (sadly) Pentax
I took the mount off my 70-210mm lens because I had to remove a pin for it to fit on my PentaxK20D (if I didn’t remove it, it would get stuck on the camera-half on and half off. I already had to remove it once with a feeler gauge). I followed these directions when taking the lens apart:
http://74.125.93.104/search?q=cache:7aQjM3XqgTQJ:forums.dpreview.com/forums/read.asp%3Fforum%3D1036%26message%3D25796905+lens+stuck+on+camera+DSLR&cd=5&hl=en&ct=clnk&gl=us
I have stuck the mount back on, but the aperture is not working. When I move the ring around, the the aperture does not open or close, like my other lenses. For some reason, I think it may have been broken before I took it apart, but it would be great if I could fix it by adjusting the lens mount.
Websites with pictures of how to put a KR lens mount back on would be great, that is, if there are any If the only way to fix the lens is to take it to a camera store, I’m not going to bother with it. It is a cheaper lens and I have another one like it that I can use.
The aperture does not change on or off the camera, even locking the "A" (for automatic aperture settings) does nothing.
It is stuck wide open.
What is the purpose of the pin you took off? Does it push on something that’s behind it or complete an electrical circuit that may somehow affect the aperture mechanism?
On lots of older lenses there is a lever you can push on the mount to operate the aperture. It connects to the DOF preview lever on the camera body I think. I noted it on your flickr photo of the lens mount. Was this lever disturbed when you took the mount off?
Posted by admin | Under Pentax K20D
Tuesday Mar 30, 2010
This is a hard question to explain, but I was wondering if I should invest in a new camera. Right now I have a PentaxK20D. I really do love it, and I realize it’s a great camera (considering I’m 14), but sometimes I think my photos could be a little sharper.
Here’s an example:
http://i658.photobucket.com/albums/uu303/nsrwbrc/IMGP0129.jpg
I took that yesterday, and if you look at the most focused part it looks like it could be a little bit sharper.
I’m not sure if it’s the camera or just my lack of photography skills..
Any input would be gladly accepted
Thanks so much.
I can’t tell could it be sharper. I have no way to enlarge it. But from the little I see do not run out to buy another camera.
Candidates for cataract surgery are faced with 2 options to choose from when deciding which type of lens to select for the surgery; monofocal or multifocal. Ultimately, the decision is largely dependent on what type of lifestyle you lead.
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Enjoy high-end photography features in an entry-level camera with the PENTAX K-x 12MP Digital SLR Camera. It offers several preset shooting modes and an Auto Picture mode for shot capture on the…
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If the only way to fix the lens is to take it to a camera store, I’m not going to bother with it. It is a cheaper lens and I have another one like it that I can use.
Mike Woodland from Danâ??s Camera City describes all of the various things you can do with your digital photos in the Digi-Print Lounge.
Candidates for cataract surgery are faced with 2 options to choose from when deciding which type of lens to select for the surgery; monofocal or multifocal. Ultimately, the decision is largely dependent on what type of lifestyle you lead.
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Just for fun, auto focus speed of the DA 12-24mm f/4 lens on my DS and
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