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Modern Classic SLRs Series :
Pentax LX - Message Board/Guestbook

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
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1. From : Jorge Nunez (jnunez4@optonline.net)
Url : http://
Date : 09:22 AM Friday 16 August, 2002

Ladies and Gents, This is a great site where ideas are exchanged about the LX. Way back I had asked about fill flash. I appreciate the responses some of you gave me. Including Micos; and Globetrotters" on this. I want to point out that there is a new book out by Mark Lucock "Photography for the Naturalist." GMC Publications ISBN 1 861082908 This is about Macro photography and his camera of choice is the Pentax LX with AF280T flash. He has an extensive description how to use fill flash at least for macro photography. He has the pictures to prove it. cheers!


2. From : trevskey (trevskey@hotmail.com)
Url : http://website.lineone.net/~eky_little_pig
Date : 05:08 PM Sunday 11 August, 2002

Hi, I've been using my LX for over 15 years and think no other body has the same "Pentax Feel" about it.
Am wondering if any one knows if you can remotly fire the sutter using a switch connected to the motor drive contacts?
As the LX can be fired by a remote cord pluged into the winder - is it possiable to fire it by connecting together a copple of the winder contacts?
And is there any infomation about what the winder contacts do?



3. From : Robert Clark (robertclark@vsnl.net)
Url : http://
Date : 02:40 AM Saturday 10 August, 2002

Can someone tell me if it is possible to do fill flash with the camera on auto and the flash set to TTL or must one use manual flash and camera? As far as I can work out even if I ensure that the camera is metering the ambient light so that the shutter speed is at 1/30th and then dial in a two stop underexposure for flash, (compensated for on the ISO scale) it wont work. since the quenching of the flash is controlled by the camera it will measure a combination of ambient and flash light, complete the exposure and there is no way that I can controll the balance.The result a bright face and a dull background.

Does anyone know a better way?


4. From : Peter (p.smekal@telia.com)
Url : http://
Date : 02:16 PM Thursday 08 August, 2002

Well, if globetrotter is right, how can we use all this in practice for fill-in-flash then? Can it be used in the following two scenarios? 1) Daylight conditions, when a portrait picture is taken with a person's face cast in shadow, discharging the flash to eliminate the shadow, and 2) in dimlit conditions with a subject against a dark background, using the flash to expose the foreground subject and a slow shutter-speed to expose the low light background.


5. From : Gene Poon (sheehansNOSPAMPLEASE@ap.net)
Url : http://
Date : 03:27 PM Wednesday 07 August, 2002

Globetrotter is right, Mico is incorrect about TTL flash automation when LX is set to slow (under X) manual speeds. It is easy to test. Take an LX, with a test roll of film. Or, just cut a piece of paper and put it onto the pressure plate so the photocell will have something to "read." Now, mount a TTL flash and turn it on in the TTL mode...I used a Pentax AF200T and a Vivitar 550FD M/P/O for test purposes. With film speed at 50, I set the shutter at 1/2 second, and aimed at a the other side of a room about 4 meters distant. With the flash ready light on, the LX set shutter speed at 1/50 automatically. I released the shutter, and the flash fired. At f/2.0, the "sufficient light" indication activated and the flash was ready for refiring almost immediately. Then I did the same thing at f/22, which is way too small for the flash to illuminate properly at that distance. The flash fired at full power, which still was insufficient for the distance and aperture, and since it had used up all the stored energy, it took several seconds before the ready-light came on and the flash was ready to go again. Obviously, in the first instance, f/2.0, the TTL flash control in the LX signaled that there was enough light, so the circuitry in the flash shut down and re-stored the leftover energy, so the flash was ready to be re-fired almost instantly. In the second instance, since the LX did not observe adequate lighting, it never sent a "quench" signal and the flash fired at full power. Just to be sure, I repeated the test at a manually-set 1/60, 1/30 and 1/15, with identical results at both f/2.0 and f/22. I could even SEE that the flash was much more powerful when fired with the lens at f/22. It sure looks like the TTL flash circuit is working when the LX shutter speed is set at a slow manual speed.


6. From : Lindy (adkinstone@earthlink.net)
Url : http://
Date : 08:30 PM Saturday 03 August, 2002

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1369051942

The above link to Millenium Issue KX sold on ebay August 2nd, 2002 for $3299.00 . Check out the many pics while they are still up. Not bad for a one of a thousand issue.



7. From : Dave Meikle (photos@davemeikle.co.uk)
Url : http://
Date : 10:01 PM Sunday 28 July, 2002

This is a great site, I have just inherited an LX from my father after using his ME Super for years and this site has given me valueable information and tips. Will be back soon! Thanks


8. From : Greg Norris (grenorris99@yahoo.com)
Url : http://
Date : 11:59 AM Saturday 27 July, 2002

Great website and a fantastic message forum. Good to see very knowledgeable personnels maintaning this board. I have bought another LX (used) and has a good collection of SMC lenses. I have learnt a good deal from here where I thought I knew my gears inside out earlier. Cool.....


9. From : GLOBETROTTER (globetrotter@blueyonder.co.uk)
Url : http://
Date : 04:23 AM Sunday 21 July, 2002

Mico - it is true that 1/75 speed on the LX control dial is mechanically controlled, but as soon as a dedicated Pentax flashgun is mounted on the hotshoe (or via cables with the hotshoe grip) the internal circuitry switches to electromagnetic shutter control and TTL self-quenching is in operation through stepless shutter speeds.


10. From : Mico (jecimic@sympatico.ca)
Url : http://
Date : 12:06 PM Friday 12 July, 2002

Well, speaking about error during AUTO exposure means that camera meter shows , for example, 1/15 shutter speed with consistent light ( of course, film is loaded!) but actual shutter speed executed is 1/2000. Which means that exposure error is all but minute - seven F-stops underexposure. I`ve done a lot of tests, unfortunatelly with my troubled camera, and in 95% , default shutter speed for that behaviour is 1/2000. Very rare, shutter speed is much longer e.g. 3 to 5 F-stops! . I would appreciate comments from somebody who experienced that...
I still don`t get WHO and HOW controls TTL flash output if LX`s shutter speed dial is set OUT from AUTO e.g.
1/75, which is, by the way, mechanical shutter speed. LX`s unique IDM,OTF, or whatever metering system is engaged and able to affect shutter speed ONLY IF CAMERA IS SET TO AUTO. Otherwise, it acts only as a regular metering system, providing raw information about light conditions, and does not control or affect anything! So, if you put 1/75 on camera, camera will fire 1/75. And there is not any TTL electronics in Pentax dedicated flash units, they are completely controled by the camera. TTL position on Pentax dedicated flash, means "O.K. I`m ready to be controlled!" Test: put TTL seting on any Pentax dedicated flash unit, take it off the camera and press test button - flash will discharge completely. Only thing that dedicated flash controls is LX`s flash synch speed, but that has nothing to do with TTL output. So, LX`s metering system (IDM) is NOT in charge to control flash output, nor is flash, than who is?
Well, maybe one explanation of that alternative procedure will do good for all of us who still do not know how to use LX`s TTL flash. I am looking forward!
Mico




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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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