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Forum: Pentax DSLR Discussion 2 Days Ago  
Lens choice for K-50 astrophotography
Posted By Papa_Joe
Replies: 8
Views: 425
I would not use a fish-eye for night-sky photography, as often landscape is included and koszlok showed the point.
To be honest I wouldn't buy a fish-eye for anything else then fish-eye photography.

The two main requirements for a night sky lens are a fast aperture, to get as much light as you can during exposure time and sharpness over the whole frame. The Samyang 14 / 2.8 is a excellent choice in both categories and thus is often recommended for night photography, although it has some flaws during daytime. The IRIX lenses are comparable. And both Samyang and IRIX do not cost you an arm and a leg.

I started some weeks ago with my Tamron 2.8 / 17-50 mm, which is fast and has quite a good performance over the frame as well. If I can master the post processing I might look for a shorter focal length.

Don't you have any other lenses with a short focal length?

@johngs : Nice picture!
Forum: General Photography 2 Days Ago  
What portraiture actually is.
Posted By Papa_Joe
Replies: 93
Views: 1,759
Perhaps the reason why 85 mm lenses are sold as portrait lens is, that there is no other use for this focal length?
We should start a thread "Show us your non portait (and non macro) pictures shot with 85 mm".
Forum: Pentax News and Rumors 05-26-2020, 10:39 PM  
Samyang is clearly phasing out it's K-mount support now.
Posted By Papa_Joe
Replies: 201
Views: 7,821
First, sorry for quoting you, but I could not resist, those two post, so close to another showing the problem.

You brought it to the point: These are very capables lenses and Pentax does not have comparable primes in the lineup.
We could debate about the 14 mm, as there is the DA, but that is not a full format lens.

The DA 17 mm also shows the other drawback of relying on Pentax lenses only. If Pentax offers a lens and it is not what you need, there is not alternative, when third party manufacturers do not offer lenses for the K mount.
It is a decent lens. It is fast, it has very low distortion but its sharpness is a bit lacking, when wide open. So if you want a fast, sharp lens with 14 mm you have to look elsewere. The new D FA 70-200 2.8 is another example. Sure it is an excellent lens, but 2,0 kg to carry around on my pour K-70? I do not think the K-70 deserves to be mounted on this leviathan. It does match much better with the 70-200 Tamron.
Forum: Pentax News and Rumors 05-26-2020, 09:00 AM  
Samyang is clearly phasing out it's K-mount support now.
Posted By Papa_Joe
Replies: 201
Views: 7,821
Find the contradiction.
Forum: Pentax Film SLR Discussion 05-26-2020, 03:16 AM  
A New "Normal"
Posted By Papa_Joe
Replies: 3
Views: 952
This lens will be the reason for falling back into my LAS. I know it.
Nice combo, enjoy it.
Forum: Pentax SLR Lens Discussion 05-26-2020, 03:07 AM  
Longer focal length portrait lenses?
Posted By Papa_Joe
Replies: 36
Views: 1,161
Personally I am more into enviromental portrait, i.e. showing people including the surrounding. I would prefer a 35 mm for that type on the K-1.

So the answer is, it depends on what kind of portrait you want to shoot. For a head only portrait anything from 70mm upwards is usable. If you are doing details of the face more focal lenght is better to keep the distance, I would go up to 200 then. With 200 mm you will have quite twodimensional portraits if steping away from your subject and thus I would not use a longer focal length.

For a half-figure portrait 50 to 70 mm is what I would use when indoors. For half-figure or whole persons outdoors, when you want background separation, a very fast lens, like the already suggested 85 / 1.4 is advisable (with a 200 mm you would have to count in a megaphone as well). Be aware that shooting at 1.4 has its own issues.

All together I would recommend to start with a 2.8 / 70 - 200 and from your experince with it choose a faster (if needed) of just lighter prime afterwards. I would choose a used Pentax, Sigma or Tamron over the new D FA, because of its weight, adding 2,0 kg to the not so light K-1.
You have also to keep the weight in mind when you want to do a real portrait session, not only a single portrait. You might to start with a prime then.
A 100 mm or 90 mm 2.8 makro would be a good starting point. Or a manual 135 mm if you want something longer, dirt cheap.
Forum: Digital Processing, Software, and Printing 05-22-2020, 02:31 AM  
Laptop requirements for image processing?
Posted By Papa_Joe
Replies: 35
Views: 975
I would go for a 17" screen. 15.6" is a bit on the small side for image processing. Or you buy a additonal 24" screen, if you do your image processing at home.
And a good IPS screen is a must in every case. TN sreens are no good for your eyes, they never have been.

Check out the notebookcheck website for notebook tests.
Forum: Pentax Medium Format 05-22-2020, 02:23 AM  
Do Cokin P size filter holders vignette with 35 wideangle?
Posted By Papa_Joe
Replies: 7
Views: 382
Cokin states that on full format cameras with the M-Filter system (which is the former P-system) there is no vignetting down to 25 mm focal length. 35 mm on 645 are about 22 mm on full format. Thus the M-Filter holder will probably cause vignetting on the 35 mm. AFAIK there is no single slot wideangel holder in the cokin system.
Perhaps you can strip down the EVO M-size holder to 1 Filter, but for its price, it is cheaper to buy the Gradual ND Kit for L size (100 mm).

The Cokin System: A Beginners Guide To Cokin Filters
Forum: Contest Voting 05-18-2020, 12:44 PM  
Posted By Papa_Joe
Replies: 1
Views: 18
Thanks to the articulated screen of the K-70 there are many new perpectives in a ordinary lawn.
Forum: Pentax SLR Lens Discussion 05-18-2020, 06:07 AM  
Mount identification
Posted By Papa_Joe
Replies: 9
Views: 614
Yes, it should.
Forum: Pentax SLR Lens Discussion 05-14-2020, 10:01 AM  
How To Get The iPhone Generation To Give Real Cameras & Vintage Lenses A Try?
Posted By Papa_Joe
Replies: 37
Views: 1,086
Might I remind you, that a modern cellphone has a way better image quality then your old DSLR? And their automatic postprocessing gives way better results then I can achiev with a RAW converter (the fault is on my side). I think giving modern cellphone photographers a K-x will end in desaster. Mediocre results with great efford they will think.

If you want to share your passion with your grandchilds I would suggest to go one of these ways.
Show them how they can do better pictures with their cellphones. Composition is the key to good pictures, not technical equipment.
Go for a walk and take pictures together with them. Use a cellphone or a compact camera as well. Make a contest who does the best pictures.
Give them a real vintage camera and a film roll. Giving a Cosina CT-1 to my son (age of 16) worked for five minutes, which is quite good.

If they show deeper interest, lend them your best equipment for a day.

Just my 2 cents.

EDIT: Shooting portraits of them with their cellphones and your equipment for their facebook accounts might be a good way as well.
Forum: Pentax SLR Lens Discussion 05-14-2020, 09:27 AM  
Tamron vs Sigma?
Posted By Papa_Joe
Replies: 17
Views: 953
Get some more insight from the direct comparison through pentaxforums.
Fast Sports Zoom Lenses for Pentax Review - 70-200mm Sigma & Tamron | Reviews

I have the tamron since four weeks and the IQ is outstandig good. One of my best three lenses (beside the Sigmas 35/1.4 and 70/2.8).
The screw drive is quite fast. It is not silent, but I would not call it noisy. If you need a silent lens you are wrong with the Tamron.
Opposit to the test above, I find the Tamron quite good to hold if the tripod colar is removed, which is a thing of half a minute.
Although the built quality is very good, the Tamron feels a bit plastic. When firing the shutter the sound always reminds me of a yogurt cup. So, if you like a sturdy lens, the Tamron might disappoint you.
I am personally very happy with the Tamron. Makes me smile when I use it and even more when I look at the results.

For the K3 I would also think about the Pentax DA 60-250 / 4, if you haven't allready.
Forum: Repairs and Warranty Service 05-13-2020, 02:19 AM  
Pentax K100D battery issue
Posted By Papa_Joe
Replies: 9
Views: 292
If you are using your K100D frequently, I would suggest to use "precharged" rechargable batteries (a.k.a. eneloops, while those from IKEA will do the job very well).

I'am using my istD* every once a while, and with the rechargables, it will sit half a year contently in its case. When I take it out, it will still do more pictures then my K-70 with a new battery. I usually take some pictures and put it back in the case without charging the batteries. I have a second set of batteries, which sits in its case waiting patiently to be used in the istD* or a flash. They are usually charged after use (with flash) and can be put into the istD* if needed.
Forum: Pentax Film SLR Discussion 05-07-2020, 05:17 AM  
Need help making a decision on a camera purchase
Posted By Papa_Joe
Replies: 21
Views: 1,105
I did not know that one. But it has no DOF-preview, does it?

EDIT: Seems to have one. Nice camera.
Forum: Troubleshooting and Beginner Help 05-07-2020, 03:08 AM  
Pentax P30 - Possible battery/electronics issue
Posted By Papa_Joe
Replies: 6
Views: 593
Welcome to the forum.

LR44 batteries are fine. The P30 should work with SR or LR type.

Next things to check:
Are the batteries with the + side showing in the battery compartment?
Is the camera switched on? Switch is on the left side of the prism.

The meter should come on regardless of a lens or a cap on the camera. And regardless of a film being in the camera.

If the meter is still dead I would contact the seller.
If the meter is working: Have fun with the most underrated Pentax!
Forum: Pentax Film SLR Discussion 05-06-2020, 05:33 AM  
Need help making a decision on a camera purchase
Posted By Papa_Joe
Replies: 21
Views: 1,105
If you want a K-mount camera with the matchstick meter and DOF-preview all your options have been covered, I think.

If you can adopt to the auto- and manual-mode cameras with manual metering by the time scale, there is the P30N or T (with automatic ISO only), the P50/P5 and the LX of course. If it does not have to be a Pentax there are cameras from Ricoh (XR-X, XR-7) and Chinon (CE-4).

As far as I know, you will not find any other fully manual (no auto modes) K-mount cameras with DOF-preview beside those from Pentax.
Forum: Pentax SLR Lens Discussion 04-30-2020, 03:57 AM  
Pentax 70 - 210 vs Tamron 70 - 210 | Lens Review
Posted By Papa_Joe
Replies: 113
Views: 6,364
Tamron 70-210/4 NIK is available at EUR 500.00 in Germany. Pentax 70-210/4 costs at least EUR 1,000.00. Pentax K-1II is at 1,900.00, Nikon D850 at EUR 2,600.00.
Slight advantage for Pentax. But then, you should not take into accoutn, that you might buy a 24-70/2.8 or a a 15-30/2.8 or you might buy a D750.

Pentax will loose in price if you look at a whole system set-up.
Forum: Pentax Full Frame 04-29-2020, 09:28 AM  
1000mm and 1200mm lenses
Posted By Papa_Joe
Replies: 22
Views: 1,383
Speaking of extra focal length. If you are in bird watching, also have a look at the Swarovski ATX/STX spoting scopes with the TLS Apo Adaptor.
The main drawback is the price, about 4.000 EUR upwards.
Forum: Pentax DSLR Discussion 04-29-2020, 01:04 AM  
Moving from film to digital
Posted By Papa_Joe
Replies: 50
Views: 1,902
I second all those recommending a K-3 or a KP (maybe a K-70). The main issue comparing film and digital shooting for me is still focus accuracy. Thus you want to have the latest autofocus built in your camera. The autofocus modul also is the main help while working with manual focus. Focusing screens from analog cameras are only the second best solution, they have isssues on there own. While the K-5 II has a good TTL autofocus modul it's liveview focus is not up to date. The K3 and KP have improved AF software over the K-5II as well. I would not recommend the K-5 first version for these reasons as well.
I'am working with a K-70 which has technical speaking the same TTL autofocus layout as the K-5II, but I would recommend the K-70 over the K-5II in terms of latest software and liveview focus (and it's articulated screen).

Concerning old flashes. After 10 years of owning DSLR I'am still using old flashes (Metz SCA) without P-TTL. Just set the flash to A-mode and use it on the DSLR like on your LX, you'll be happy. The trigger voltage is your main concern, as it might destroy the camera.
Forum: Pentax Full Frame 04-29-2020, 12:20 AM  
1000mm and 1200mm lenses
Posted By Papa_Joe
Replies: 22
Views: 1,383
If a shorter focal length may be enough, please also have a look at the Novoflex 600 mm / 8.0 (CAs) or it's Leica Version with the 560 mm / 6.8 Telyt. Compared to the 1000 mm they are a steal and quite easy to get your hands on. Focusing with the pistolgrip is not for everyone and the latest version is heavy like a tank, do not think of shooting without a tripod and it has not automatic aperture. IQ is quite decent.
Forum: Pentax SLR Lens Discussion 04-21-2020, 03:37 AM  
Why are Used Wide Angle Lenses so Expensive?
Posted By Papa_Joe
Replies: 66
Views: 2,380
My educated guess: Because they will not sell the DFA 15-30 in the quantities they need to? :)
To talk seriously: I think the 15-30 Tamron rebrandet was the fastest available and most cost effective solution for Ricoh. They know the FF range is lacking WW, in the roadmap there are allready two primes a WW and an UWW. But those won't be pricey as well I guess. Pentax is becoming a luxury brand concerning the prices.
Forum: Pentax Full Frame 04-21-2020, 03:02 AM  
4K vs K1
Posted By Papa_Joe
Replies: 34
Views: 1,377
It can't be the graphic card. The 1070ti can without any doubt feed a 4k display. And I would not use HDMI but display port. I had several issues with HDMI from computer. It is a video set connection and not a graphic card connection.

I guess your new display is much larger as well. Thus 1:1 means a magnification to your old 1080 display, I guess you just can now see things you weren't botherd about, when using the smaller display. Just forget about it. The more you magnify the more faults you will find. Same happend to me while going from a K10D (10MP) to a K-70 (24 MP). When the pictures look good in full screen, it is good enough. Do not trouble yourself, unless you want to enlarge your photos even larger then your display and have pixelpeepers standing 20 cm in front of them.

EDIT: Best would be to provide a RAW file, not a picture, so that the members on this forum can download and have a look at it. Else this will remain glass ball helpdesk, as it is so far.

EDIT: Using HDMI might be the problem as well, if cable or display or driver is not fully compatible your display will run 1080 and upscale.
Forum: Pentax Film SLR Discussion 04-20-2020, 01:36 AM  
I came from film to digital
Posted By Papa_Joe
Replies: 93
Views: 3,073
Generally I would suggest to start analog with a color print film. They are very forgiving films. B&W really is more demanding and restricting concerning image composition and motif.
Plus to get the best from B&W it is advisable to do the evelopment by yourself (as we can read above).

As a beginners film I would recommend Kodak Professional Pro Image 100 very good film if you just want to take photographs. Kodak Ektar and Porta are to special and Fuji 400H to expensive for a start. If you would like some cheaper rolls, any consumer print film, but you will have more grain and colors are very colourfull.
Forum: Digital Processing, Software, and Printing 04-20-2020, 01:08 AM  
Does anyone actually print photos any more?
Posted By Papa_Joe
Replies: 56
Views: 1,889
I do not print my photos any more. I prefer my photos on real enlargement paper. We have a 1 hour printing service in the town where I work, with their own Fuji printer, much better and cheaper solution then printing them by myself. If there is urgent need to print something at once I will prefer to go to the drugstore, where they have kodak printers. I do not know which printing technic they use, but it's better then my canon and epson inkjets and the colours last longer.

That's the main reason why I use printing services. The colours of the ink printers are just not good enough, over one or two years, they all fade out our stick to the glass of the frame.
Forum: General Photography 04-17-2020, 12:45 AM  
Photographer canít sue a website for embedding her Instagram post, says court
Posted By Papa_Joe
Replies: 8
Views: 789
As far as I know, that is not a single decision. If you publish content under TOS, that give someone the right to do with your content what they want, you forgive all your rights. There are even harsher desicions. There was a case of a photographer who gave her work, I think to the library of congress, which essentialy puts them under public licence. Alamay took some pictures and sold them. No way for her to get a fee or to forbid it. She just ceased her rights.

If you are a pro and do not know this, I think you can not call yourself a serious one.
That is one of the most essential things in bussiness. Know your rights.

EDIT: And licencing laws are quite uniform worldwide. If the country cares at all.
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