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Comment by aminstar posted on ebay:New DA 300mm f/4 £659.99!!! at 13/02/2009 - 06:19
To clean lens front & rear glass:
1. Blow with blower.
2. Brush lightly*.
3. Examine with a bright white LED torch or light.
4. Clean with Lens Pen**.
5. Blow/brush off carbon dust left by the Lens Pen.
Lens Pen does a cleaner job than a microfibre cloth, in my experience. Do not use lens cleaning fluid unless you really have to, and then only with a good clean microfibre cloth.
* With a brush designed for lenses, such as the one on the end of a Lens Pen.
** I will post a link shortly.
I will await your link, when you can post it,
Comment by aminstar posted on Help please, all picture files taken today disappeared from K20D at 12/02/2009 - 15:05
To avoid problems with cards, it's always best to format the card in the camera. Was the problem caused by the card having all sorts of folders on it, some perhaps created in the computer?
No, those files were created by the camera. I am sorry I might not have specified properly earlier , those folders with the images were there but I had already backed them up in my pc.
But the surprising fact is why did the card just delete the folder the camera created today? Well, I guess anything is possible. I just would like to be sure that it wasn't the camera that created a havoc. Although chances are that problem might have been triggered by the card rather than the camera software.
Comment by aminstar posted on Help please, all picture files taken today disappeared from K20D at 12/02/2009 - 14:59
Liam
when I put the card back in the camera I couldn't see today's photos. Only the ones I had left of a few days ago. The whole folder had disappeared when I checked in the computer.
Tel,
The few folders along with just some shots I leave in the card are there because I use that card for my photoshop classes I go weekly. But I have already got the images dowloaded into the pc.
Usual procedure is once I take a bunch I straightaway upload into the computer and delete the folder from the card. I then just slot into the camera again and carry on with the shots. I will follow your advice now and format everytime I put it in in the camera.
Some retrieved files were just blank greyed, I am assuming that the software couldn't retrieve the images, but am not too worried, as most of the images are intact. They were all mostly experimental images, but still I wanted to be able to see them and check the results of various settings and trials.
Once again, I am really thankful for all your help.
Am off to SRS now to exchange the RF remote. I have decided not to go for the RF one anyway, besides being faulty it was a bit of disappointment. Got my eye set on the Seculine one as I get the advantage of both, IF wireless and wired and also its reasonably priced.
Also could you please advisee me on the best option for lens cleaning?
thanks
Amin
Comment by aminstar posted on Help please, all picture files taken today disappeared from K20D at 12/02/2009 - 14:47
ps. It has happened to me, I think caused by the computer. Removing the card from the camera while data is being written to it could also cause the problem, I think.
Anyway, the Sandisk program has recovered lost files for me, so don't panic.
thanks
Comment by aminstar posted on Help please, all picture files taken today disappeared from K20D at 12/02/2009 - 13:37
Might have been caused by a fault or quirk with the computer, camera or card.
DO NOT take any more photos using that card until you have attempted to recover the missing files using recovery software.
Search the net and this forum for suggestions of appropriate programs, or I could send you a copy of Sandisk Rescue Pro (by post if too big to email).
I really really hope this was a one off if it was the camera. My whole confidence is shaken off now, at least until I am sure that at least its the card. I will be constantly weary everytime I take photos with the fear whether the files will be there or not when I slot the card in the pc.
Thanks very much for your offer Pete, I will start my quest for a recovery tool and if I am unsuccessful I will take you up on that offer please. That's extremely kind of you.
Amin
Comment by aminstar posted on Help please, all picture files taken today disappeared from K20D at 12/02/2009 - 13:36
I am absolutely stunned. I just spent a good three hours trying some macro with my K20, had almost 400 images. The folder would have been a new one. All pictures were in the card because I saw them while taking the pictures. Changed lens even and took some with my 50mm f1/4.
Then removed my card and slotted into the pc and suddenly I couldn't find today's folder. The whole folder with the images is gone.
There are a few folders with some images in the card but those were taken over a few days before. The ones that disappeared were strictly today's ones. I am absolutely positive I haven't deleted them.
Checked the numbering and its pretty clear there are over 400 files missing. Slotted the card into the camera and took one more to try and slotted into the computer, and there it is, new folder with today's date and the single photo I just took.
What on earth could have happened please? Could someone help me shed some light into this? Has it happened with someone else? I definitely cant see what I could have done wrong.
Am pulling my hair here as I really had put so much into these 3 hours and was so keen in checking the images and my heart just sank when I couldn't see the folder in the card.
Any help please would be greatly appreciated.
Thanks
Amin
Comment by aminstar posted on Help please, all picture files taken today disappeared from K20D at 12/02/2009 - 13:21
I lost the oportunity to try my hand again and practise some macro shots on a few beautiful flowers I got today, there was a window of oportunity when the sun was shining for a couple of hours, but the garden was more urgent as I had trimmed (huge trim) some trees in my garden with the kind help from couple of friends and all the branches were still on the ground for days to be gotten rid of, shredding and chop the big ones into pieces for barbecue .

So clearing trees from the garden took priority (as you can see from the shot a 120 ft long garden was truly a mess, stayed like that through the snowy days ha ) and now I am here brooding looking at the flowers wanting to experiment. I have a couple of hours and am so eager to give it a go.
I have found out, with the help of some great and helpful advice from the more experienced ones here, that flash light really doesn't bring out the best from them and natural light is much better, so my question is, how would halogen spot lights work on the macros? I have some great halogen spot lights in the kitchen, and I suppose I could send the wife to watch Eastenders or whatever is showing on tv and lock myself in the kitchen and play around .
I know the best answer which I assume might come straightaway from someone is "try and see", but being a total newbie I would love some kind of reference point on what to base. I have already learnt that lack of light really affects a lot the images.
Thanks
Amin
Comment by aminstar posted on Macro photography with indoor lights at 11/02/2009 - 17:49
Thanks for your advice. I will take them on board and keep a look out on the moon.
Amd Mark, you are absolutely right, is great fun . Definitely enjoying it
thanks for all your help and advice
Comment by aminstar posted on Attempt at full moon shot at 11/02/2009 - 16:27
That's a great effort Amin, tiny bit of shake evident but good tones and detail.
I think a teleconverter will not necessarily produce better results, although the moon will be bigger, the optics will be degraded and the lens will be slower - so more shake to deal with.
Thanks, you are right, TC is out of the list, I dont see any much use at least at the moment.
Help me out here a little please, as I dont have a photographer's sharp analytical eyesight , how did you detect the image having a tiny bit of shake? or what particular characteristics or parts of the image you eyed at to notice that? Its just for my understanding thats all.
I had a bunch of shots and found quite hard to compare and decide which one to go for and work a little on PSE. With my limitations in both, taking the shot and editing also I wouldn't be even surprised that I picked up the wrong one, spent ages comparing between them ha .
And you are absolutely right, must be a bit of shake because I was struggling with the tripod. Its when I try to take these shots and the macros ones and I try to minutely focus that I realise how the tripod is definitely the culprit, when I get the spot and tighten all the screws it moves, and shakes and God knows what else lol. Its a cheap Velbon one, so perhaps money will be better spent on a good sturdier tripod.
Thanks
Amin
Comment by aminstar posted on Attempt at full moon shot at 11/02/2009 - 08:55


Also for a difference of £160, if it goes for the "buy it now" price its approximately 19% of a new one bought from SRS. Is it still a bargain?
Also we get 2 years warranty for purchases from offical pentax dealers. So just wondering if its still a bargain.
I am new to all this including buying from e-bay so just trying to get some idea from you lot the more experienced ones.