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Forum: Pentax News and Rumors 01-05-2014, 08:52 AM  
Interview with Chief Sales & Marketing Officer / Ricoh Imaging Japan
Posted By normhead
Replies: 464
Views: 59,033
It's quite simple, there are those willing to carry heavier glass, heavier systems for one extra stop of DoF, and those that don't think it's worth it. Conflicting opinions apparently. But neither side is going to change because of the values of the others, nor should they. Peace will be obtained, when folks stop pimping their photographic preferences as if there are some "facts" that will alter others perceptions of the issue. Facts have nothing to do with it. it's personal preference. It's all about respecting other people's choices.

The obnoxious pimping of one system focusing on it's advantages and ignoring it's disadvantages is by nature confrontational. And what we have here with a bunch of FF proponents (and 4/3 proponents, and NEX proponents etc. etc. ) is the inability to process the fact that many people here, have experience with both systems, and 8x10 view and medium format, and 110 and 6x6 and practically every other type of camera, who will tell you the difference between FF and APS-c in the grand things is relatively insignificant, as is the difference between 4/3 and APS-c. Like almost every other aspect of photography, you need to skip a step for meaningful difference. But that's just my take.

Some folks have a finer sense of "difference". And there's nothing wrong with that, until they assume that others need their guidance on the issue, are somehow less informed than themselves, and start preaching a doctrine to the crowd.

There is nothing wrong with anyone, who decides to shoot only with a Q, 4/3, APS-c , FF and MF or 4x5 scanning back..or any combination there of. It is quite possible for anyone to know everything there is to know about photography and intelligently choose any one of those options, to all of them, and any combination thereof. It's is not up to other to criticize their choice or point out it's limitations.

Criticizing the limitations of others choices is not a sign of intelligence. Believe it or not, there are a great number of us who completely understand the limitations of APS-c, and still choose to use it 90% of the time. I have 6x6 , 645 and 35mm film cameras at my disposal, and access to a very good scanner. We don't need lectures on the benefits of FF. In front of a class, I'd be happy to give lectures on the benefits of FF, and every other system on the planet. It's important that learning photographers understand and explore the options. So, having some impertinent know it all come on hear and constantly harp on the advantages of one system or the other like they are the be all and end all of knowledge about photography is truly annoying.

There is one point in the development of photographers, when they discover for themselves that system that is best for their style. And they may even start to work with that system almost exclusively. I don't mean to temper anyone's enthusiasm. Finding your system is a wonderful thing. But there's no reason to assume that the system that's right for you is right for everybody. And posting pictures and quoting selected facts that support your choice isn't necessary. They will always be lacking for everyone aware of all the facts. Emphasizing some facts, just means you don't value others.

Until you can take joy in your choice while at the same time respecting the choices of others, your knowledge is incomplete, and emotionally, you're immature and confrontational. Supporting one format, doesn't mean you're smarter than anyone else. it just means you've figured out what's good for you. And personally, I think a lot of the push back against formats that aren't your favourite, is the insecurity you have about the choice you're made. Trying to stamp out the niggling little doubts about the absolute utility of one system or another, by converting others to the system, instead of examining your own work and choices.

As a former teacher, I cannot imagine launching into the kind of one sided diatribe favouring one format or another, you see here all the time. When I see one sided propaganda, I often try to present some balance, but I'm not advocating one system or another.

If you were in my class, you'd use every format available in on appropriate assignments. I've had students do narrow DoF on point and shoots. SO when I see people say you have to have FF for narrow DoF, my second year students would be laughing at you. But deciding what camera was best for an individual is an individual decision.

Listen to the one format blow hards if you choose, but balance what they say with a practical understanding of all relevant formats, practical in the sense of using every system and finding out what you resonate with. Listening to the blow hards pushing one format or another on the forum is next to worthless. That's why they have schools for photography. And that's why so many of us who post a lot of images and can enjoy our photography without reference to format etc. stay out of this type of discussion. (I have some personality flaw that keeps me from being able to do that.) It is just so hard to explain to those with extremely narrow points of view, just what they are missing without eliciting one of these diatribes of outrage.

I think a lot of the time, some of the more belligerent format enthusiasts think I stop posting in a thread, because they are right and i am wrong, more often it's just I've grown tired of the insolence, belligerence and ignorance. I'm getting to be too old for this baloney. But over 1000 students went through my High School photography program, the one I built from scratch, and 4 or 5 of them went on to do post secondary work in photography, and many others found jobs in the industry or in related industries, or use photography as part of their duties in other jobs, so I can't be doing anything too wrong.

Sometimes I think those pushing one system over others are like proselytizers seeking religious converts. I hate Jehova's witnesses and format proponents. They are pretty much the same thing. Just show me pictures, and maybe a few examples of pictures you'd like to learn how to take and tell me how much money you have to spend, , and I'll tell you what you need to take them. Prejudging, and saying one system is better than all the others for everything and everyone is for the mentally challenged, who can't see the big picture. And for them, it doesn't matter what you say, they will never understand the big picture.

And I bet 99% of the site doesn't give a crap about this whole issue. They just like the pictures they take and camera they have and might like to learn to do a little bit more, take advantage of a few features they don't know about, gain a bit of incremental knowledge, using the system they have. Some knob coming on with a bunch of FF propaganda is a total geek. We tolerate them, because, it just might happen, that there might actually be one person on the site from time to time, who actually would be a candidate to use an FF camera as their only camera. I have a number of friends who are like that. So having a few people helping beginners understand what FF has to offer, is not such a bad idea. It would be nice if they weren't so damed obnoxious about it.

When hanging out with other photographers, the goal is to assimilate as much of what they know that you don't. Because believe it or not, no matter how much you've learned, others have gotten into niches where they know different stuff that might help you in what you do. A confrontational attitude doesn't help that, neither does a one sided promotion of a specific format.
Forum: Pentax SLR Lens Discussion 08-20-2012, 01:02 AM  
If "you" would limit yourself to have only two prime lens...
Posted By pakinjapan
Replies: 90
Views: 13,469
If "you" would limit yourself to have / shoot only two prime lens, what would you have and why?
Forum: Pentax News and Rumors 06-12-2012, 10:16 AM  
new lens patent of pentax
Posted By RioRico
Replies: 85
Views: 13,456
Oh, I pull stuff out of thin air (or some portion of my anatomy) all the time. Such stuff is usually called 'artifacts'. Why, I can turn a 912x1216px pic into a 60x90cm print, no problem! Sure, it looks rather Chuck-Close-ish. Is that so bad?

[/fun]

No, PP can't add details from the subject field to the captured frame. We can PP to play various tricks to make the captured details more visible. And we can PP to add details that WEREN'T in the original subject field. If we want the resultant image to be as accurate as possible a rendition of the subject field, such additions are bad. If we just want to make a striking image, then we do WHATEVER IT TAKES.
Forum: Pentax News and Rumors 06-12-2012, 09:05 PM  
new lens patent of pentax
Posted By Asha
Replies: 85
Views: 13,456
For the record, it is possible to achieve a compact lens design with great image quality and low distortion by evenly distributing optical "power" on both sides of the aperture stop. The result is a lens which is relatively short in overall physical length, but the rear element could end up very close to the focal plane. There are some very old patents that describe this kind of design, and they have great performance WITHOUT the use of aspheric elements! :D
Forum: Pentax News and Rumors 05-25-2012, 08:15 PM  
Pentax K-30 Officially Announced!
Posted By Norm123
Replies: 245
Views: 49,310



Hands-on impression after examining the pre-production K30 DSLR... this is one sweet little camera - ergonomics are excellent, features and build quality very impressive.

I can't show the LCD panel or the various menus because the final production firmware is not available yet, and things may change... but the menus and the rear LCD controls are extensive, yet easy to understand and operate.

The three camera colours were on display - the blue and white as working prototypes, the prototype of the black body was not fully functional. Of course, with pre-production cameras, the press is not allowed to publish images from the prototypes, so we photographed the K30 with a K-01, shooting in DNG, which I converted to JPEG to show you the camera.

Some of the features of the prototype were "near production levels". The focus speed is VERY impressive - I tried the camera with the 16-45mm zoom in mixed light at the photo show - the camera snapped into focus, and stayed with the subject as I panned around the building - I would have no problem at all shooting high speed sports with this camera.

The K30 does have the electronic level, with a read-out in the viewfinder and on the live view LCD panel. This information did not make it into the press releases, so this may be the first time anyone has verified that the K30 does indeed have this very useful feature.

The retail price in Canada is expected to be about $849 - the camera would be an upgrade from my K20D, with a sensor similar to the K5 PLUS video and 6 fps frame rate.

Availability - probably July 2012.

The ergonomics are wonderful - control interfaces are excellent - dual wheels for adjustments, and the top dial for mode selection is way better than the LCD with buttons - you can adjust settings faster using the dial and the rear LCD panel.

Image playback on the LCD is very sharp and very fast - best I have seen so far, from any manufacturer.

With weather seals and the full range of K-mount lens compatibility (subject to the lens limitations, of course) this camera has everything I look for except a full metal chassis... but the composite materials are often as durable as the metal frames, so I would not worry about that spec. I would also want a very long shutter life expectancy, but I shoot MUCH more than the average photographer - and I haven't worn out a shutter yet.

With the option to use AA batteries (in a pinch - because they won't deliver very many shots compared to the lithium rechargable batteries) this camera is going to be a real winner.

I asked about a successor to the K5... the reps just smiled like Cheshire cats - I think there is something coming over the horizon, but nobody is willing to leak any information... yet.

It appears that Ricoh is taking the DSLR market VERY seriously - and this brings a new wave of excitement to the Pentax community!

Norm.
Forum: General Talk 04-10-2012, 03:41 PM  
Help me win a wheelchair van.
Posted By Swift1
Replies: 147
Views: 12,657
As some of you may be aware, I was diagnosed with ALS (Lou Gehrig's Disease) in 2008 and have spent my entire photographic "career" dealing with the disease and steadily becoming more and more immobile and less and less able to the thing I love doing, namely getting out and taking photos with all my beloved old Pentax film cameras. As I'm nearly wheelchair bound, getting around is becoming a much bigger problem as traveling with a powerchair requires special wheelchair access vans that are very expensive.
This month is Mobility Awareness Month and my wife was nominated as a Local Hero and entered in a contest where we could win a new wheelchair access van.
You can read about her and vote for her (if you like) here Tiffany Allen | Mobility Awareness Month - Vote For Me!
If you use the promo code "866" it will give her 5 votes instead of one for one time only. Also, if you like, you can vote every 24 hrs.


Thank you all,

Colton

P.S. The photo of me and my wife on the voting page was taken with my Pentax MZ-S and FA 43/1.9 ltd, and Kodak Gold 100 :)
Forum: Pentax Q 09-17-2011, 01:20 AM  
Definitive manual external flash guidance
Posted By devorama
Replies: 12
Views: 6,275
So as some of you read, I was experiencing very odd behaior with my external flashes and triggers. I've done testing with the following variables:

Is the Flash a PTTL flash and if so, is it in PTTL mode?
Allow or disallow internal flash to fire while retracted
Flash setting to ON (forced fill, rear curtain, red eye reducer, etc) or OFF

This is a total of 12 different setups. Below are the details and then the summary below that.

Flash usedEnable/Disable while closedFlash ModeResults-------------------------- ------------------------------------------------------------------------------------------------------PTTLdisabledONP-TTLPTTLdisabledOFFNo flashPTTLenabledONP-TTLPTTLenabledOFFNo flashPTTL manual modedisabledONFixed flash power regardless of setting on flashPTTL manual modedisabledOFFNo flashPTTL manual modeenabledONFixed flash power regardless of setting on flashPTTL manual modeenabledOFFNo flashmanual flashdisabledONNo flash (NOT as expected)manual flashdisabledOFFFires flash as full manualmanual flashenabledONFires INTERNAL flash (as if no external existed)manual flashenabledOFFNo flash

To summarize my findings:
When using a P-TTL flash in P-TTL mode, everything works as you think it should. The camera will use the external flash instead of the internal flash. P-TTL metering works.

When using my P-TTL flash in manual mode, things go pretty nuts. You can turn the flash off by choosing the Flash OFF setting for flash. But if you set flash to ON, the external flash only seems to flash at one level, regardless of what output I set the flash to. Full power or 1/16 looks identical. I used a Sigma 530 DG Super.

For a full manual flash or flash trigger is where it gets really complicated. If you allow the internal flash to fire while retracted, it will fire the internal flash when flash is set to ON, but the external flash is ignored. FLASH OFF yields no flash, as expected. But if you DISABLE the internal flash while retracted, you will get no flash (internal or external) when set to FLASH ON. That's counterintuitive. But if you set the Flash mode to FLASH OFF and disable internal flash while retracted, you can get the manual triggering we're looking for.

So in summary, the Q can use P-TTL flashes exactly as you'd expect. If you only do P-TTL flash, you're fine. If you want to use a P-TTL flash in manual mode, you're screwed. You have no settings that will allow this. And finally, if you want to use a manual flash or flash trigger, you MUST set the "Flash When Retracted" to "Do Not Discharge Flash" AND you must also set the flash mode to FLASH OFF. These are the only settings that will give the results you want!

Edit 2011-09-30:
I just discovered that while you can sync the internal flash to an adapted (non Q) lens to 1/13 second, you cannot do the same for manual external flashes. When using a fully manual, no electrical contact lens in front of the Q, I cannot find a way to get my external manual flash to fire at any shutter speed. However, in the same setup with no lens electrically attached, I am still able to use an external PTTL flash and sync it at up to 1/13 seconds. This is troubling because I'd like to be able to use adapted lenses AND my external manual flash at once.
Forum: Pentax Q 03-10-2012, 01:45 AM  
Pentax Q a Failure?
Posted By Kirill_est
Replies: 226
Views: 33,838
How about those who want zero headaches due to front/back focus issues :)
Forum: Pentax DSLR Discussion 11-18-2011, 11:03 AM  
Eureka! - Finally a good cheap way to dry clean the sensor
Posted By GibbyTheMole
Replies: 12
Views: 6,550
Hey all.

Just wanted to share my experience with cleaning my sensors. After trying the rocket blower, a TAC "lollipop", a sensor pen, and a plain old Q-tip, I decided to take a gamble on the "CleanSkies" sensor brushes on eBay. For around $16 ($13 + $3 s+h), you get a pair of identical brushes. Basically, they're a knockoff of the Copper Hill brush, only much cheaper. (an unsized synthetic artist's brush)

This was hands-down the easiest, fastest, and most effective method I've tried. It took maybe 2 minutes per camera, It worked the first time, left no residue on the sensor, and was about as stressful as cleaning a lens. Here are the brushes:

CleanSkies SENSOR CLEANING Brush Set For Digital SLR "SECONDS" Closeout Sale | eBay

I used the method described here:

The Pixel Sweeper

I think the two big factors in a successful cleaning with these brushes are:

1) Clean the brush by knocking the dust out on a clean butter knife or something similar, and do it before & after every cleaning.

2) Blow air through the bristles thoroughly with either canned air or a rocket blower. (I used the rocket blower.) This charges the bristles with static so the dust sticks to the brush rather than just slides around on the sensor.

3) If you use the blower on the sensor, do it before rather than after the brushing. Using the blower afterward might just blow more crap onto the sensor.

Just wanted to let you guys & gals know what works well for me. I'm sure the wet cleaning method works in the hands of those who are skilled at doing it, but wet cleaning (probably unneccesarily) worries me a little. Using these brushes with the method in the link is a piece of cake.

Cheers,
Bobbo :-)
Forum: Pentax Q 02-19-2012, 11:06 AM  
Another couple of Q reviews
Posted By ihasa
Replies: 0
Views: 986
I really like this guy!

















You Tube




















You Tube



Forum: Pentax Q 02-17-2012, 12:35 AM  
RJ adapter and coming Pentax adapter?
Posted By snostorm
Replies: 11
Views: 2,621
Hi PHC,

My understanding is that the Pentax version has both aperture control and a mechanical shutter in the adapter. The RJ has an aperture control ring only.
This would result in the ability to use the manual shutter with adapted lenses instead of being limited to the electronic shutter. For my use, the main difference would be sync speed with flash. With the electronic shutter, flash sync is limited to 1/3 sec (edit -- should be 1/13 sec), which essentially makes flash irrelevant when ambient light levels get higher, so it would eliminate flash use to freeze motion in outdoor macro shots for example.

My assumption is that the shutter is just a shutter in the adapter, and not a shutter/aperture combination like in the 01 prime and the 02 zoom. My understanding is that the aperture blades need to be located inside the lens assembly to be the most effective, so it's likely that the aperture control will use the lever in the lenses to control the aperture blades in the lenses. I assume stopped down metering will need to be used, though Av priority works fine with current adapters just as it does on MF lenses and the DSLR line. The shutter can still be a leaf shutter and allow virtually unlimited speeds for flash sync, and while that might be hailed as a great feature, fast flash sync only comes into play in certain situations. . . most of which I don't need very often if ever. I wouldn't be surprised if the shutter is just a rudimentary one with a limited range of speeds, like up to 1/250, and that the electronic shutter would take over at that point. This would be satisfactory for me. . .

From an implementation standpoint, the aperture ring on the Pentax unit seems to have a wider rotational throw, so it's assumed that either half or 1/3 stop accuracy might be possible in choosing the aperture setting. The RJ's aperture ring has 6 very closely placed indents from max to stopped down completely, so the most you could adjust the aperture on the lens would be full stops as I see it. Since you don't have meny stops until you start running into diffraction effects from too small an aperture for the sensor, having finer control would seem to be more desireable, but this might actually be a fine distinction with no real practical value.

I assume that the Pentax model will be nicely finished and would probably be more robust in construction. It will undoubtedly be more expensive, possibly considerably more. I'm awaiting the Pentax version, and will get it as soon as it's announced if it's not insanely priced. . . if it has a functional shutter, and If the shutter works out some current flash problems, and Pentax fixes some flash anomalies currently present with a firmware update, I'd probably get it even if it was insanely priced.

Other possible feature might be the capability to use SR with adapted lenses and focus peaking for MF. . . it's been rumored that there might be a firmware update when Pentax releases its K to Q adapter . . . I'm hoping that this is the case, and looking forward to it.

Scott
Forum: Pentax Full Frame 02-15-2012, 01:50 PM  
Pentax Full Frame - An official statement from Pentax (they listened!)
Posted By Spare Tire
Replies: 3,121
Views: 375,603
The thing is, APS-c was a stop-gap solution until FF could be practically possible. The lenses, the flange focal distance, the size of the mirror box and the size of the mount was all designed to accomodate FF. If APS-c was the way to go, we should abolish all these backward parameters. Yet we do not.

If pentax isn't going to come out with FF but still use K-mount, then i would rather jump ship to µ4/3 where everything was designed from the ground up with that size in mind.
Forum: Pentax Q 02-05-2012, 08:26 AM  
Pentax Q a Failure?
Posted By Wheatfield
Replies: 226
Views: 33,838
+1. The Q is pretty much unique in the marketplace, which is going to polarize people. The ongoing litany of the sensor is too small is ignorance from people who have never seen a picture taken by the thing. The sensor size is not adversely affecting this camera. I get the feeling that people (including the OP) want to see this camera as a failure because it doesn't adhere to their view of what a compact camera should be (cheap plastic junk with a 10X zoom).
What the Q isn't is another me too product lost in a sea of other me too products. This means that it is going to relate to a smaller number of users, simply because it isn't dedicated to the masses of plebians who just want another me too product that allows them to fit in with the herd mentality.
Forum: Pentax Q 02-05-2012, 06:18 AM  
Pentax Q a Failure?
Posted By EricBrown
Replies: 226
Views: 33,838
First, I have to say I like the design of the K-01, will I get one...hard to say since I have the K-5 with 40mm lens. I admire Pentax for not pandering to what other camera makers offer. Pentax has a long history of innovation and being different and others have copied. I feel both cameras have thier market and will only help the overall brand.

I love shooting with my Q and take it with me anywhere I go. I can't always do that with my K-5 and sometimes I take both. I have been a lot more street and urban exploring photography and I did not have the Q with me, I would have missed the shot. I do have an iPhone, but count that as a real camera, hate hope phones handle as cameras. I am part part of a great meet up group for urban exploring and evertime I take out the Q everyones asks what kind of camera is that, I tell them and all seem to love for what is it. Once they hold it and play with it they see the value and reason for...small, dslr like, take anywhere camera that is pure fun. I tell them the price and think it is worth it for what it offers. This a group that uses all camera brands and both pro and novice. Several are very interested now so they can have a great travel camera.

I for one is sick and tired of the Q bashers on here and knock people for their choice of gear. The point of photography is to take great photos and have fun. The Q does both. If you pick anything apart to death you will always find fault. Is the Q perfect or for everyone, no. But, it is a solid, innovative, quality, fun and take anywhere camera. I have no regrets and love using it everyday.

I hope both sytems do well and Pentax continues to offer an alternative choice in the industry.
Forum: Pentax K-01 02-06-2012, 01:11 AM  
Pentax K-01 vs Fuji X-Pro 1 vs Olympus OM-D
Posted By pingflood
Replies: 749
Views: 103,977
What is funny is that quite often people start discussion how APS-C is really "equivalent" to full frame because for the same DOF you get twice the light so the sensor size is not as important bla bla bla, but when it comes to 4/3 vs APS-C then suddenly a smaller sensor is a huge problem.

Seriously, do you guys not see this insane bias? Should Pentax release a camera the size of a D4 with a cell phone sensor in it, you'd somehow find a way to praise it.
Forum: Pentax SLR Lens Discussion 08-03-2011, 12:04 PM  
What happens if you sell a takumar ...
Posted By Wormtographer
Replies: 45
Views: 6,909
This may be a little cruel--and I promise that I thought long before uploading this picture for you. Yes, the FA31 Silver is metal--but probably the same metal as the black version.

I hope no Angels are harmed--and I hope you find other things in your possession to sell besides your Taks. Here is what mine looks like on a silver K5.

I suffer the dreaded and as mentioned by subidoc--quite insignificant mutation type that ends in ---SA.



Now I say no Angel could ever be harmed for acquiring (or wanting) something like the above. Cheers,

-W
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