Originally posted by excanonfd Excuse me wolfiegirl, your smugness is showing - I bet you were just itching to have someone ask that.
Nonetheless, it's very good find for measly two bucks. Would I have picked it up if I was in your shoes, probably not. You seem to go out of your way to acquire fungi ridden lenses while I avoid them like the plague. Has leaving these fungi ridden lenses in the sun done any good? I suppose some lenses can be brought back to life by exposing them to the sun's rays but the only two fungi ridden lenses that I have, have fungi tendril marks permanently imprinted on to the glass even after soaking the elements in acetone for two days.
What are your shooting parameters, none of your photos seem to have the exif files. I don't know what you are using to resize your photos but if you use FastStone Image Viewer, the exif file remains intact.
FastStone Image Viewer, Screen Capture, Photo Resizer ... *giggles*
did I sound smug?
just excited that it wasn't a dud find
Weell.... the sun has been a bit hit and miss to be honest. I don't necessarily go out specifically to pick up fungus lenses... most of them have been ebay lots gone wrong that I can't return, like the Tokina or a non returnable accident like the M 135 Bayonet.
Often I'm finding some of the fungus (mainly light spidery bits) if not particularly advanced can be wiped away with some lens wipe cleaner thingies, or some isopropyl alcohol. Note for me this only works when the fungus has been on the outside of the glass. Often when I see it, I think that it's inside, yet a quick wipe down often reveals the fungus was on the outside, and not on the inside.
For example, the white fungus spot that was on the back of the M 35-70 disappeared after I did a swab with a cotton bud doused in isopropyl. And hasn't come back in the last 24 hours. The back element now looks mint. If I can get the front filter off, I'm hoping I can get rid of the front element fungus as well but there is an element in front of the blades that has fungus, which I won't be able to do anything about. Not sure it's possible to do surgery on this lens, as the screws on the side don't look like they can hold up to much and may disintegrate if unscrewed. Either way the pictures taken with this lens are more than satisifactory considering the original condition of the lens. I'll try and take some pics of it today to show you what it's like atm. I realise I should've taken a before shot as well, but ah well.
Another example where the sun and isopropyl has worked has been with the M 1:1.4 that I picked up a month or so ago for $20 from a person giving away their photography developing stuff. I'd left it out in the sun for a day, and wiped down front and back. It doesn't really look like there's much of a problem anymore.
The other fungus lenses are probably more advanced and therefore remain? My understanding is that once the fungus is exposed to strong sunshine they die, and it's just the carcass that remains. Can't do anything about that, except open up the lens and wipe its sorry body away. So as long as there's no humidity and light and the fungus is de-yad, I'm fairly safe. Least that's my amateur understanding. If it helps, I did let an ebay listing go for $21 for a Tammy 35-70 which was possibly an SP01A because the seller admitted there were marks on the glass and I wasn't prepared to deal with it.
If I ever come across cheap clear copies of the fungus ones I will replace them. But for now, the lenses seem to work just fine, so I'm happy to leave them as they are.
I think often it depends on the situation, and whether
a. I can see it in person and judge for myself if it's worth the risk, and
b. if the price is right.
The original price on that camera and lens was $5. If she hadn't gone down, there is a chance I would've walked away. But at what was essentially $1 per item, I thought if nothing else maybe I could give it a go as a 'project' down the road. Having said all that, had she had other clear lenses, I probably would have gone for those rather than this one.
Hearing Rico's third hand experiences from his readings and understanding of fungus also helps. Ironic since I think all his lenses are fungus free..
As to the exif, I'll add in a sec. I use photoshop and then upload to picasa. The info can be seen in picasa but I think the way I link my photos from there to here strips the info.
chemtech: Thanks for the nice comment and for looking for tools for me! 4 screwdrivers for $20 seems ok. Will go and check out shipping. They don't have the umm | heads though (what on earth are they called?).. might go exploring that site and see what postage is like.
jolepp: Thanks for the linky. hrmm.. that does seem a touch pricey after postage. Bbut I do have a helios that needs opening.. just had another look. Damn there's only one. *sigh* better do some quick thinking!
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EXIF data now linked to the above images.