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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 : Jay (
Url : http://
Date : 06:35 AM Sunday 26 April, 2009

On repairing somewhere; as you are in Canada, if needed, it seems unnecessary to ship it to Great Britain, or in the UK. There must be a Canadian source of reliability, in addition to what is near here in Colorado, USA, through Pentax Imaging, as their repair source, now located in the Denver, Colorado, USA Metro area. This source can be determined by writing them or viewing their website. However, if it isn't broken don't fix it.

2. From : AB (
Url : http://
Date : 02:35 PM Thursday 23 April, 2009

Jay's advice is good, though spares do exist.

If you intend to keep and use the camera, Pentax Camera Repairs Direct (Formerly Harrow Technical) do a fixed price service, about £90 which includes cleaning, lubrication and adjustment and the replacement of rubber and foam dampers and I'm sure the rattle will be cured at the same time. You can then use the camera with confidence until the next service is due - maybe several years depending on use and storage conditions.

I have just checked my four LX's and there is no significant rattle on any of them. All bar one have been serviced by the above technician.


3. From : Jay (
Url : http://
Date : 11:52 AM Thursday 23 April, 2009

An LX that makes a rattle when shaken (and stirred?). The old axiom is "if it isn't broken don't fix it." You mentioned getting good results on film, and apparently having the camera suspended OK by a strap as you move along? It is not an automobile, where noises and sounds may preclude some larger mechanical forebodeing difficulty that may leave you stranded somewhere. Check the fragile frame that supports the focus plane ground glass (formed mostly of plastic, not glass) by carefully pushing up on its release in the front above the mirror chamber, just inside the top lens mount. Carefully lower it down, while not actually touching the focus screen, realign it within the frame and gently push the frame back up with say a cut off Q-tip stick for a tool--until it clicks. That would be the first thing to check. Open the camera back, without film, and fire the shutter in a dark room at a pinpoint light source, while looking through the shutter from the open back. Hear anything more than a firing shutter closing "ping"?
Then look at the shutter after being fired, in the dark room at the pinpoint light source: see any light coming through it?

If you hear more than a ping, and find the shutter bouncing back after firing, it could be a worn shutter mechanism, but, if it isn't broken, don't fix it. No parts exist anymore for this anyway. You have already stated that you see nothing when the "chamber is open" (and you shake it as before, without it open?). Another possibility is related to the linkage to the lens aperture mechanism, and that giving a noise when attached to the camera. So, placing a body cap over the camera and seeing/listening for whatever you are listening for to replicate without the lens on, may or may not indicate that the lens is making the noise, not the camera body. I could list a half dozen more possibilities, but, will permit the other half dozen contributors who check in now about once a month to offer their ideas. I. i. i. b. d. f. it (unless you wish to purchase unneeded services and goods from a repair center).

4. From : Jay (
Url : http://
Date : 02:38 AM Thursday 23 April, 2009

Are we trusting Hoya/Pentax for a new X series DSLR hybrid viewfinder flagship camera innovation by summer? LX fans & MX fans await this development with anticipation (offering clear choices between video and still imaging on board). KDX fans preabound.

5. From : Geng (
Url :
Date : 03:14 AM Monday 20 April, 2009

Hi guys,

I recently got a Pentax LX. and have a question about the camera the hope you could help answer.

When I flip my camera (or shake it vertically), there sounds like some part is floating inside the chamber. When open the chamber, nothing in sight seems moving. I went through several rolls of film and the camera was shooting fine.

Do you think that is normal? Do your LX have the some sound? Would you feel it is worthy the time and money to take the cam in for a check?

Your time and opinion will be highly appreciated!

6. From : Jay (
Url : http://
Date : 08:57 AM Sunday 19 April, 2009

Pentax just released firmware update 1.3 for the K20D (antishake mechanism updates). The K10D is no longer currently updated.

Again, I reiterate that the K20D's image quality is greater than the Canon D50, its nearest current competitor, though Pentax lowered the K20D's price.

I hope to get to updating this webpage banner, and some other beta stage KDSLR Pentax pages early next month. Then, perhaps, a MIR page for KD Advanced Users will begin to compete for the twenty some user blogs on the digital Pentax DSLRs now out there.

This LX users web guestbook was heavily used, as one can tell by its many archived pages appearing as numbered below from the past. It still can be searched for unique information on Pentax lenses, system components, field realities, and body realities written by many past advanced users during the film age and into the digital imaging era. It does indeed seem now eclipsed as to the digital age indeed having run down the field to kick in the goal. It is delightful to see all the bells and whistles being invented for the advanced user of photoimaging.

We are still seeking other maintainers for the new Advanced Users MIR Guestbook--now for a long season in beta mode. It is our goal this year to advance to an active mode and put this site on the back burner so to speak. If you are indeed a Pentaxian, write me on this possibility. You will be doing advanced photography your best intention.

7. From : Jay (,)
Url : http://
Date : 04:47 PM Sunday 29 March, 2009

There is "no compelling reason" to convert to 35mm full frame digital small format DSLRs at this time according to a leading US imaging publication which tests DSLR systems and has since the late 1990s. This is the interpretation of comparing the full frame 35mm digital SLR full format cameras out now with the highest grade of existing APS-C DSLR cameras: as to image quality, technology choices and resources, output needs, cost, and system choices. Whether to upgrade to full frame DSLRs in the light of APS-C DSLR technology camera image use and output needs comparisons vs. costs of components and other requirements? This surprizing recommendation based on DSLR camera comparisons analysis of the April 2009 USA Popular Photography Magazine puts to rest any anxiety related to miniature format DSLR system choices for building investment futures in the present complex systems marketplace. This means even Pros can take advantage of the less expensive, well orchestrated, and cheaper DA lenses over the more expensive and less available FA series lenses, or competing system full frame lenses. DAs are offered for price points and professional choice [as is confirmed by their well selling counterparts coming forth as Tokina ATX series optics in the Nikon and Canon mounts].

The magazine pointed out that the output imaging need factor simply does not favor a slightly larger format over the other in so far as imaging needs and results generally apply in 2009. The article notes that 14-15MP is the optimum sensor pixel size for the APS-C format, (in that size exceeding film resolution by the way) which covers a very high percentage of advanced user and professional requirements as to image use specifications. I would add that the K20D *14.6 MP has better image quality than the Canon 50D series (at 15 MP), and the full frame Sony 900 series (the latter full frame results being due primarily to ISO range noise, per my past comments on it and this controversy). But the trade off is in the frame per second rate (Nikon, Canon, and Sony are higher than Pentax and Samsung; while the Olympus and Panasonic 4/3rds entries do not quite measure up to APS-C format imaging light capture and output quality). As such by not yet offering a HDMI interface, nor individual OEM lens light falloff imaging engine in camera autocompensations, and a faster through put of differently and more compressed JPEG in camera file image file processing to achieve sports photography shooting speed applications, the images are still better from Pentax over the class competition.

Likely the new Pentax flagship camera for 2009 will be physically smaller than the K20D, with onboard video HDMI features, an increased FPS rate, and tweaked viewing screen, etc. The question remains, will it give better gradation, color and detail than the K20D? With the debate over color depth negatively affecting gradations in each primary color channel, the K20D's 12 bit channels may be the way to go, and the cause of the Canon 50D's poor 14 bit definition, saturation, and contrast outputs (as such without considerably overriding factory defaults). This seems to say it is better for image quality to have slightly fewer colors in the available palette--as with the 12 bit renders giving better results than the 14 bit channels defined gradation--when channels are necessarily compressed for quick image processing and recording. I doubt this fault holds in RAW, but, instead in JPEG, TIFF, and DNG encriptions. As it is, the sharpness and contrast of the K20D need turning up a bit for its best results, as is easily accomplished, and noise reduction turned on to get the best possible images additionally from the K20D. But default setting for default setting, or tweaked setting for tweaked setting, the Pentax grants superior images. At the heart of the matter is the Samsung sensor and Pentax PRIME image processor. It is still the best built DSLR in its class, and best image quality in its class, without doubt.

The Canon D50 has some newer bells and whistles, period. Canon announced that onboard video will not be achieved until the D50's successor--whenever that will be. The D450/Rebelike X DSLR latest Canon release now has the D50 15MP chip just to get a marketing edge (but look at the results compared to the Pentax K20D and know Pentax makes better quality images, for sure).

The Sigma 50-150 DG EX HSM II is now released by Sigma, and now matches the image quality of the 50-135 Pentax DA, where the Sigma first such lens release simply did not do so. There are more offerings in the extreme WA zoom catagories from Sigma and Tamron worth consideration. Tokina has announced the ATX 12-24mm f4 II, "with improved lens coatings", undoubtedly seated in existing Pentax technology. The K20D body can be had new now for less than $700 in the USA, making a very attractive purchase for the serious image maker. I should think that the economy too could influence an advanced DSLR system user to thus consider the Pentax system, and the Sigma zoom lens mentioned, with other independent lensmaker options: as possiblities for equipment investment use futures. What needs to now come forth is a 400mm and 500mm more comprehensive professional lens choice DA offering, with onboard focus motors, along with a say 100 to 440mm motorized zoom from Pentax. Then Pentax could be said to be competing with the other big five systems, for needed options of discriminating users, as in the days of old (with the M and A series optics of wide prime lens choices as were made available to the users of the LX system and A series film SLRs of yesteryear). This would represent compelling digital use need technology indeed: for new advanced users to embrace Pentax systems with a total resources availability confidence. With 10% less available atmospheric ambient light due to global dimming now--than in the 1960s--lens coatings are very important factors to achieving good definition, color, and contrast for imagery; here, as in the past, Pentax leads the way.

8. From : Jay (
Url : http://
Date : 10:26 PM Friday 27 March, 2009

Changes from the two main computer software manufactures of Operating Systems are looming. Apple will have major changes late Spring, with Microsoft coming late summer to early winter. The Apple Beta has some significant innovations, the Windows release is to have the operating speed of XP, without the slow features of Vista, replacing Vista altogether. Microsoft will stop supporting and upgrading XP without a user paying a fee after mid April. This seems to be because MS has laid off employees for the first time in a decade, with the worldwide downturn. They have even supported Windows 98 in a limited fashion up until this announcement. MS will have to play catchup though on the details of the new MAC OS soon to emerge. Digital imaging, internet capacities, ever larger related media files, and video will advance with the greater requirements of related newer equipment's increased color encryption depth, greater inherent imaging file sizes, and HD video editing requirements placed on PCs. It will be then a year of OS refinement stepping a little ahead of available CPU refinements. If you are frustrated with Vista, and the MS shift to not continue to freely offer support for XP, plan on upgrading to Windows 7 this year, or merge to Mac.

9. From : Jay (
Url : http://
Date : 09:19 AM Wednesday 25 March, 2009

Mr. 23rd/24th. Pentax colors? The Km was announced in an olive color with complimentary lens kit. Rumors of an orange version too have surfaced. The K-20D Ltd. is scheduled in a titanium/black color body, with its silver sections top and bottom in the mix(if it is a finish over plastic, or true metal is unclear now), with an alike battery grip. Perhaps only for release in Japan?

The 645D was announced as will be featured in Japan's upcoming Photography Industry show. Pentax is shifting its 2009 development to high end cameras for that target market, including what was past written here as to an emerging APS-C smaller flagship body being in the works. So, while the marketplace is sketchy, ventures progress.

10. From : Jay (
Url : http://
Date : 02:58 AM Sunday 15 March, 2009

FYI Pentax Corp. of Japan updated the lens roadmap of digital lens products to now include the 15mm F4 and 55mm F1.4 DAs with focus motors. The 15mm is a precision looking product with built in hood, and nice identification fonting, giving credence to the new flagship camera's emergence this year being of a like distinct and user friendly smaller ergonomic design concept (by summer or fall). Otherwise, the lens roadmap is the same as it has been. We can be encouraged by most design effort going into their advanced users class newer APS-C smaller body top of the line DSLR TBA this year. It has now been announced that the Samsung NX is not a conjoint effort between Pentax and Samsung, so, who will produce the mount and lenses involved for this concept mirrorless interchangeable lens camera smaller Samsung is yet to be seen.

There is no indication of Tokina being affiliated with Hoya on the Hoya website, so, Tokina has been a working Pentax lens design partner, sharing some leadership golf partners but not ownership by Hoya. Tokina does only use Hoya optical glass for the bases of its lens constructs (of course forming its own optical plastics hybrid elements). We do not see the desirable 11-16 mm f2.8 Tokina ATX Pro zoom (77mm filter size) on the new Pentax lens roadmap--will it ever emerge with a K mount (as is not offered in the Tokina ATX line in a K mount)? Tests rate it as an A quality lens, obviously with a professional wide aperture.

Sigma recently came out with an F3.5 constant aperture lens in the 10-20 mm range to replace a smaller variable aperture one in their lens line. Only the front element is very large, taking an 82mm filter size. Tamron had come out with an updated 10-24mm f3.5-4.5 variable aperture lens recently (77mm filtered). Tests rate it as a B+. I will await the tests of the Sigma, in the WA range; but, is a 2mm and 1/3 stop gain with the more expensive Sigma a great one over the very good Pentax 12-24mm f 4? Only the tests can show any increased optical and image quality advantage, where so. This is the wide end of the APS-C lens coverage which is naturally needed with the 1.5X sensor size factor over a 35mm format size coverage wide angle equivalency. Otherwise, A series upward PK optics are quite established and useful from preexisting OEM lens lines. It is the wide end which can always improve on what is available with the smaller format size DSLR. Therefore, as to coverage and quality establishments of the new smaller digital SLR formats, it is vital for the serious user to have many choices available, and to consider the test results for image quality.

DA series lenses are generally lighter than any KA or Kaf mount 35mm format counterparts, due to the imaging circle requirements being smaller. When designers produce linear focal lengths smaller than 15mm, they are in lens element makeup venturing outside the 35mm format range's lens design construction composite makeup abilities. It is interesting that recently Pentax designers spoke of now concentrating on the K20D replacement, with more traditional Pentax high end body qualities (like in hand user feel ergonomics, as with the LX body; and with newer industry-wide top of the line features). The new DA 55mm f1.4 (58mm filtered), and SMALL 15mm f4 with motors and strong Pentax font identification (as 49mm filtered) may point the way to design considerations users' retainability of the new smaller replacement body coming for the K20D. In spite of downsizing, Pentax may lead again in new product ergonomic innovations.

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