Industry wide indications and ceasing film body development by Pentax altogether in early 2003 more than suggest the manual focus Pentax LX will not be having an upgrade (except, perhaps for very rare Limited Edition Models hand assembled by special commission by the new HoyaPentax Corporation). In 2008 Pentax became a division of Hoya Corporation, which had together with Pentax released jointly developed professional grade optics (since 2005); Pentax has shifted its attention to development of auto focus Digital SLRs having build qualities constructed for the long run--now with weather seals--like the LX. You may use this site for common support and sharing of mutual users knowledge or experiences among yourselves. You may also use this message board as a guestbook for the advanced users Pentax SLR cameras from the LX forward, including many such auto focus film cameras, and Pentax digital SLR cameras. We keep the site going too for the WORD SEARCH FEATURE found here as to its magnificent K mount system user archives: as have been shared here for many years. Have an inquiry related to Pentax gear? First try KEYING IN YOUR KEY WORD(S) for a preexisting archived response on your subject of inquiry from this LX site. If your inquiry or sharing is from advanced users K10D, K20D, or K200D SLR needs, proceed on to t NEW PENTAX ADVANCED USERS K10D, K20D SLR site.

This LX site was specifically created for the great Pentax LX SLR camera model(s), and now has incorporated increased opportunity for an expanded interchange with the introductions of the Pentax K10D, K20D, and K200D SLRs to include advanced and professional digital user models. Interchange is encouraged with the intention to continue as a forum for advanced system users of past K-mount film based SLR systems and the mentioned Pentax DSLRs. With decreasing forum traffic here, and enthusiasts moving on with SLR digital imaging products futures, we hope the continued convenience of this site and its past Pentax advanced LX users data archives--provided by the database KEY WORD SEARCH FEATURE found here--can be very useful to you. Most past site user techniques, systems components, and lenses of Pentax advanced applications--as have been past examined by users on this site--are still of use regarding the newest Pentax SLRs. Please don't mail us with other than constructive suggestions or to rectify mistakes found within this site, thank you. Since this is a non-profitable resource site, maintained by professional and advanced system users, the developer of this site reserves the rights to censor or delete any inappropriate, unrelated, misleading or excessively hostile messages posted herein. If your intention is to dispose of your Pentax cameras or its accompanying accessories and/or you are looking for a used model, or even for any of its system components: please use a separate section with a higher volume of related traffic for these purposes: on the Free Trade Zone site instead. The Photography In Malaysia sites sponsor has no Guestbook standing on its own, because it is an integral part of the MIR site. But if you want to leave a note on your experience of visiting our site and its service, you may use the MIR's Guestbook found at another new window by clicking on the Guestbook Link.

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1. From : Phil Ashman (genesisphil@hotmail.com)
Url : http://
Date : 04:14 AM Thursday 02 October, 2003

Apologies to Mico as I meant to say in last post Jay & Mico's views may be right and I only mentioned Jay. I value all the input I received and clearly can learn a lot by keeping in touch with the forum. Phil

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2. From : Phil Ashman (genesisphil@hotmail.com)
Url : http://
Date : 04:10 AM Thursday 02 October, 2003

Well folks I now have the test results for my sigma 1.4 ex converter plus sigma 400 apo macro. I chose 100asa fuji print film (I normally take slides)and set up the camera on a tripod outside, focussed on my multicoloured crash helmet with a rubber plant behind (don't ask!)in bright but not direct sun. I set it to auto and took a shot at every aperture, including half stops. I then switched to manual and using my hand held meter I took a further set (allowing for the loss of 1 stop with the converter)at the indicated speeds and apertures. Finally I finished off by moving the subject to a direct sunny position (my neighbours son will now be fully convinced that I am an oddball) and took three on auto (f11 & f16 & f32)plus a couple more on manual. Wait for it.... The prints (processed in 1hour at the local Tesco)were all virtually spot on and the increase in depth of field perfectly showing as I progressed from f5.6 to f32.Indeed I can say that the results were not only accurately exposed but really sharp edge to edge and excellent colour rendition(in my humble opinion)

Well, all I can deduce from this (which was a great relief - as i'm a natural born worrier!)is that the meter works perfectly well with this set up, but for some reason the led readouts are useless as a guide to what's happening. I can of course easily manage without accurate led readouts, but it will be most interesting to see what reply Sigma UK get from the boffins in Japan to this weird phenomena. Jay's previous idea may of course be right as to the reasoning and I will let you all know what Sigma say. Thanks to you all for help and advice, as I have enjoyed being on the forum and will try and= keep in touch. Phil

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3. From : Phil Ashman (genesisphil@hotmail.com)
Url : http://
Date : 02:22 AM Thursday 02 October, 2003

Interestingly Jay the 1.4 converter will not fit on the sigma 105? Seems to only fit the 400. Beginning to wonder if they have created a new converter that only works properly on a minority of their lenses and also not on some established camera bodies. Not a clever idea if you ask me. Out of interest does anyone know of a UK outlet for the Kenco pro 1.4 as I can't seem to find any on the net? Will be getting my test prints back this evening and will let everyone know how they come out! Cheers Phil

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4. From : Mico (micolx@netscape.net)
Url : http://
Date : 12:32 AM Thursday 02 October, 2003

It looks like I am experiencing erratic memory regarding IDM, but it perfectly fit with LX`s problems...Thanks for correction Ian. M.

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5. From : Ian (ian@ity.co.uk)
Url : http://
Date : 09:17 PM Wednesday 01 October, 2003

I just happen to have in front of me two (1982, 1985) Pentax LX Brochures. It says that IDM stands for "Integrated Direct Metering". If I get the time, and if anyone is really interested, I might just get around to PDFing at least one of them. Let me know if any of you are interested. A4, 22 pages.

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6. From : Jay Hart (ibcom@onebox.com)
Url : http://
Date : 05:22 AM Wednesday 01 October, 2003

Phil, Now that you have another Sigma lens, you can see and report how the 1.4x teleconvertor works in metering with it? --Jay

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7. From : Phil Ashman (genesisphil@hotmail.com)
Url : http://
Date : 04:16 AM Wednesday 01 October, 2003

Thanks Mico. The LX clearly has more to it than I thought as I tend to just point,meter and shoot not giving much thought to how things work! Still I have only had it about 6 months, as when I was younger it was the camera I always wanted, back in the 80's, but couldn't afford. Luckily a good resonably priced 2nd hand one came my way recently . I still have an old review that Amateur Photographer did against the Nikon, Canon, Olympus etc.. pro slr's of the day and the Pentax clearly came out on top!! It's a classic and always will be. I suppose one day, if i'm not too old i'll go digital, but for now they would have to drag me kicking and screaming!!! I have also just bought a Sigma 105mm 1.1 macro and the first results back today are excellent - well recommended. Phil

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8. From : Mico (micolx@netscape.net)
Url : http://
Date : 02:10 AM Wednesday 01 October, 2003

Sorry Phil, I did not have intention to puzzle you, both abrevations concerns LX`s Off-The-Film Metering feature. The second one refers on "Indirect Dynamic Metering" which is in fact the same thing.M.

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9. From : Phil Ashman (genesisphil@hotmail.com)
Url : http://
Date : 01:22 AM Wednesday 01 October, 2003

Thanks guys - I really appreciate the input, Sorry to say that IDM and OTF mentioned in mico's post are alien abbreviations to me (i'm not too technical) what do they mean? I certainly take note of the plug for a Kenco converter and if I ,or Sigma, can't get to the bottom of this problem I will consider changing to Kenco. n the meantime Sigma UK have emailed me to say their service guys are puzzled and are asking the bods in Japan for guidance! Hopefully they will get back to me soon. Will run my actual film test as soon as it stops raining here in Blackpool UK ! Will keep you posted as to how I get on. Cheers Phil

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10. From : Jay Hart (ibcom@onebox.com)
Url : http://
Date : 02:05 PM Tuesday 30 September, 2003

Phil, Coincidentally both Globetrotter and I have owned and used this exact lens. We both are drawn to the Kenko Pro 300 series 1.4X covertors over the Sigma. We've talked about this in the past. I have no experience with the lens with other than the manual Pentax 1.4xS convertor in combination on the LX, with a tripod. Metering works OK, differently than your experience. I would contact Sigma to see if there is a coupling problem, or if the aperture is somehow not fully engaged, in addition to Mico's suggestion. You seem to be saying that it works OK when taking actual exposures at selected taking apertures, but it still may have a coupling linkage problem until stopped down. Any thoughts, Tony? --Jay

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Maintainers for Pentax LX Series SLR Camera Models Message Board:
Tony Davies-Patrick (Globetrotter) (globetrotterworld@hotmail.com); Mico Smiljanic (micolx@netscape.net);
Jay Hart (ibcom@onebox.com); Philip Ashman (genesisphil@hotmail.com)

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