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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Main Index Page of Pentax LX SLR Website

1. From : Jay (ibcom@onebox.com)
Url : http://
Date : 02:12 AM Sunday 10 September, 2006

Here is a rare opportunity for factory fresh, reasonably priced LX focusing screens. Use it while you can. SEE the following ebay supplier store http://search.stores.ebay.com/Cameta-Camera_Pentax_W0QQfcdZ2QQfciZ5QQfclZ4QQfrtsZ210QQfsnZCametaQ20CameraQQfsooZ2QQfsopZ3QQftsZ2QQsaselZ27280321QQsofpZ0
--Jay

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2. From : Ivan J. Eberle (Pupfish@starband.net)
Url : http://www.ivaneberle.com
Date : 05:55 AM Tuesday 05 September, 2006

Robert, What photo editor are you using? Nowadays I find it rather easy to either specify the pixel dimensions, either by resizing the Image Size or by cropping with the marquee tool (with either the aspect ratio or actual pixels I want specified), in Photoshop CS. Curious also as to why a 1MB file size is critical for you? Myself, I'm usually trying to fit a vertical/horizontal print dimension. In any case, doing these sorts of operations with an early bundled version of PS Elements was a PITA, as I well recall. Which soon warranted the purchase of the full-featured pro version.

JPEG dimensions or any other file format with compression are quite a bit harder to estimate and are probably beyond the ken of simple formulas. This is because compression algorithms vary file size depending on the attributes of the individual photo (e.g. solid black areas will compress greatly where areas of much detail will not). Photoshop's Save-for-Web JPEG conversion plug-in gives a reasonably close approximation of what the final file size will be, though it's not exact. Ivan

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3. From : JC (Laundrup@gte.net)
Url : http://
Date : 08:11 AM Monday 04 September, 2006

I have a Pentax LX body (black) that I am interested in selling. It works great, is in good condition (you can see it has been used but well cared for) and has taken many great pictures.

I am not sure what the value of it would be. It is well used, was rebuilt by Pentax about 8 years ago. I also have:
MX Body
Motor drive LX
NiCd Battery Pack w/charger
Pentax AF400T Flash
Pentax AF200T Flash
Lenses
- SMC Pentax-A 1:4 70-210mm zoom
- SMC Pentax-A 1:3.5 35-105mm zoom
- SMC Pentax-A 1:2.8 50mm
- Vivitar 1:3.5-4.5 28-105mm macro focusing zoom
- Kenloc Automatic 1:3.5 200mm
- Kenloc Automatic 1:2.8 28mm
- Soligor 2X Auto Tele Adapter (Pentax K Mount)
- Soligor 3X Auto Tele Adapter (Pentax K Mount)

So my question is: What is this really worth? Should I sell it all as a package deal? Where is a good place to go sell it.

Advice is gladly taken (I am on the West Coast of the US)
Thanks

JC

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4. From : Robert (p789pinkandgray3211@juno.com)
Url : http://
Date : 02:06 PM Sunday 03 September, 2006

Well, I've been playing with digital camera images.
They usually start out anywhere from 1 Meg to 15 Meg.
I can throw them in an editing program and change the size- my object has been usually to get them to about 100K if I want to email them.

In my editing program, if I change the % height, it changes the % width at the same % number. I'm not too bad at guessing which % will bring me close to a finished photo at 100K.

BUT...I wanted to make a formula that I can use to find out exactly what percentage I need to bring me real close to a 100K finished product. It's here I got stuck, and my old competence at algebra ain't what it once was, so I'm having trouble setting things up to get the formula I want. It's not a linear thing and seems to need a square or inverse of a square in the formula, or function thereof.

For instance, making the height and width both 10% of what they were yields .01, or 1/100 of the original size.

Making the height and width both 50% of what they were yields .25, or 1/4 of the original size.

And, making the height and width both 90% of what they were yields .81, or 81/100 of the original size, so it's not a linear correlation.

Anyone like to help with a formula I can plug numbers into, in order to always get about a 100K pic out of the deal?

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5. From : Jay (ibcom@onebox.com)
Url : http://
Date : 01:00 PM Saturday 02 September, 2006

Goodeye, I would look at the cover page of our LX site, and select and examine the LX Manual on the subject of ASA exposure dial compensation and how it works for this camera. Exposure is then selected by the indicators you inquired about on the dial, near the left of the Pentaprism--as over or underexposure values from the center weighted meter reading according to available light issues. Such issues present in a scene as backlighting, sidelighting, low and high contrast, and low illumination (compensation is then used to chose which tonal range to emphasize), etc. The manual is pretty explicit on how the dial works to compensate for over or under exposure needs and affects (in situations calling for other than what the center-weighted light meter is indicating as proper exposure in a scene).

TOPIC TWO With the new Canon Rebel entry into the digital SLR offerings (with its 10.1 MP CMOS sensor and third generation coprocessing in camera chip) 10MP becomes now the average standard for acceptable SLR bodies. Now Sony, Nikon, and Canon have upped the standard looming as the norm. Pentax will then join the foiay soon. Soon enough for Pentax users to not abandon the K mount for other systems? Yes for me, no for Mico, Globetrotter and others.

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6. From : goodeye (akagoodeye@comcast.net)
Url : http://
Date : 01:50 AM Friday 01 September, 2006

Just bought an lx want to know where the exposure compensation dial should be set i.e. 1, 1/2 1/4 ext. for manual exposure or does it matter ????

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7. From : Jay (ibcom@onebox.com)
Url : http://
Date : 09:54 PM Wednesday 16 August, 2006

http://home.swiftdsl.com.au/~distudio/pentax_nicd_pack/ covers the installation of nicads, with particulars; if you contact Pentax Imaging (USA), factory service, in Golden, Co. they have a listing of batteries by type and manufacturers, and of rebuilders for the motor drive battery packs (MX and LX), which work with the LX system. Batteries are best purchased from the direct sellers on the internet, and, thusly, are at least 40% off retail. --Jay

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8. From : Ivan J. Eberle (Pupfish@starband.net)
Url : http://www.ivaneberle.com
Date : 01:20 AM Monday 14 August, 2006

I already re-celled a NiCad Battery Pack M, once. Hardest part then was finding a source for the correct-sized cells (1/2 A, are they, IIRC?). Second most difficult was getting the wires to stay put and out of the way of the mechanical plunger-switch.

Seem to recall recently having seen an offer to re-cell LX packs with NiMH cells for $80 or so. Which would be cheaper than the Ni-CD solder-tab cells alone cost, notwithstanding my labor, 15 years ago.

So, anyone recently had a MotorDrive LX pack successfully re-celled?
Barring that, a source for NiMH solder-tab cells? What is the URL of that Aussie site again, Jay?

Ivan

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9. From : Jay (ibcom@onebox.com)
Url : http://
Date : 07:32 PM Saturday 12 August, 2006

Well...there is the Aussy site that has details on the battery pack rebuild process, for sure. On the motor drive???? --Jay

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10. From : Ivan J. Eberle (Pupfish@starband.net)
Url : http://www.ivaneberle.com
Date : 12:18 AM Saturday 12 August, 2006

Thanks, Jay, that's what I thought I remembered about the winder and bulk back. I'm thinking about doing some time-lapse and/or stop motion animation. Surprisingly, my Nikon F5 offers no such accessory as a 250-frame bulk-back. Looks like the first step is to get either of my two Motordrive LXs working, once again.

One of my longer-running nags about the LX System has been that the MD case is fragile, that its tripod mount screw and frame is neither very solid nor robust. But the biggest peeve perhaps is that the batteries in the rechargeable pack do not power the camera body i.e. bypass or eliminate the two button-cells when MD is attached. I long ago made up a dummy plug soldered to a flat ribbon cable to power the meter with a 2-cell AAA holder. I originally made this up for my macro/flash use, as a dedicated flash without a power-down feature (necessary for overnight IR sets), eats the little button cells. Made a couple of these, one from Fimo bakeable clay that was a replacement grip housing the AAA cells. The one that still works is not as elegant, it's a bit of a kludge.

(Sort of a pity that the LX never got refined just a bit further, he says, whistfully...)

So, anyone else ever taken a MotorDrive LX apart? Gee willikers, are these things ever mechanically and electronically dense! Can anyone vouch for one of the Motordrive LX repair manuals I sometimes see on eBay being worthwhile (as in, do they offer any troubleshooting advice, or are they little more than an illegible exploded-view parts diagram?)

Ivan

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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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