All Forum Comments
Comment by WJL posted on For sale: Tamron 24-135mm, 3.5-5.6, AD IF macro at 25/05/2012 - 14:53
Comment by WJL posted on For sale: Tamron 24-135mm, 3.5-5.6, AD IF macro at 24/05/2012 - 18:18
I have given this lense very little use since purchased. It is in overall immaculate condition. A few miniscule dust particles and a tiny mark on the front element (circled in image) which is NOT a scratch. Complete with all paperwork, box, hood, soft pouch and Hoya 72mm skylight filter.
I have not been able to find any similar sales on the forum, so difficult to value. Auction sites show £190 to £290 for BIN. I would ask for offers around £190, to include RMSD. Payment method to be agreed.
Images here:link
Thanks
Comment by WJL posted on For sale: Tamron 24-135mm, 3.5-5.6, AD IF macro at 23/05/2012 - 11:39
Hope this isn't an inappropriate post. What exactly is an Adaptall 42mm mount. Is it an Adaptall for Pentax ES ? (which I have).
Comment by WJL posted on WTB 42mm adaptall mount at 11/11/2011 - 16:31
Comment by WJL posted on FS: K20D, Katzeye, Grip, O-ME53 magnifier, Charger at 15/08/2011 - 16:16
I have been taking infrared images for quite some time with my K100D Super. Basically a K110D. I use a Hoya R72 and the standard 18-55 mk1 kit lens. This lens performs well with no hot-spots. I have also tried the 18-250mm, but this does seem to suffer from hot-spots. As mentioned previously, a tripod is essential, as exposures up to 1 sec, iso 200, f8, are necesary. I find the autofocus on the K100D performs satisfactorily most of the time. If you autofocus first in visible light and note the focus position on the lens. Then GENTLY screw-on the filter, so that the focus does not move. When you then re-focus in infrared, generally the autofocus position will move perhaps 2mm on the lens barrel. Switch to manual focus and turn the lens back to the original focus position. I process the image in photoshop with channel mixing. I recommend you persevere, as your K110D is emenitwely suitable for IR images. Have a look at this link:
http://www.jr-worldwi.de/photo/index.html?Pentax_K100D_ir_sensitivity.html
There is a world of information on the web concerning post processing IR images in Photoshop.
Persevere, it IS worth it.
William
Comment by WJL posted on Shooting an Infrared Image at 13/06/2011 - 17:31
Greetings from the USA.
Without going into a whole lot of detail, I tried using a cheap IR Filter with my K100D a while back. Never could get the hang of it. Pictures came out darn stupid, so I stopped trying.
Would using a Hoya R72 Filter make any difference with my K100D or do you have to have it modified for that, which I don't want to do. Infrared has always been an interest for me, but just never could get it right.
Regards,
Les
Comment by WJL posted on Shooting an Infrared Image at 13/06/2011 - 17:18
Comment by WJL posted on For sale: Tamron 70-300mm f4-5.6 Di LD macro 1:2 at 30/03/2011 - 21:08
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Comment by WJL posted on For sale: Tamron 70-300mm f4-5.6 Di LD macro 1:2 at 30/03/2011 - 10:10
Comment by WJL posted on For sale: Sigma 17-70mm f2.8-4.5 at 30/03/2011 - 08:28

