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Forum: Troubleshooting and Beginner Help 08-18-2019, 04:33 AM  
What's going on with these shots ?
Posted By Tau-Ceti
Replies: 14
Views: 730
Hmm, perhaps i am wrong and this is a frimware issue.
What Cactus device do you have attached?
A RF60 Flash or a V6 Trigger?

You can download a special Pentax Firmware for the Trigger at least.
Forum: Troubleshooting and Beginner Help 08-18-2019, 04:13 AM  
What's going on with these shots ?
Posted By Tau-Ceti
Replies: 14
Views: 730
Did you shoot in high continuous shooting mode until the buffer was completly filled?
Forum: Troubleshooting and Beginner Help 08-18-2019, 04:02 AM  
What's going on with these shots ?
Posted By Tau-Ceti
Replies: 14
Views: 730
I see. I doubt that the Cactus can have such an effect. Afterall they are simple transceivers and i am using them too without such an effect.
After the Image is taken, it gets processed and then stored in the cameras buffer from which it will be written to the card. Perhaps the buffer of your camera is faulty.
You could check for this by taking a series of images and checking if you can reproduce the error more or less regularly.

I would still check the SD Cards though.
(I had about 3 files this year, which look like this. Saddly i did not find out in time to check the redundand images on the other card.)
Forum: Troubleshooting and Beginner Help 08-18-2019, 03:43 AM  
What's going on with these shots ?
Posted By Tau-Ceti
Replies: 14
Views: 730
Hmm, looks to me like a corrupted file. I am very certain, that this was caused by a defective sector on a SD card.
As you said, you copy them from one card to another AFTER the data was written to one card. Try using the redundancy setting for your SD cards.


There are several Tools with which you can test them for Errors.
For example H2testw from the Heise Media Group. (The tool basically fills up your storage and then checks the written data for errors.)

H2testw | heise Download
Forum: Pentax Camera and Field Accessories 06-19-2019, 07:03 AM  
USB Stick for storing RAW Files as back up/general storage
Posted By Tau-Ceti
Replies: 32
Views: 1,267
Security of your files is neither the easiest task, nor the cheapest.

I would not recommend using USB Sticks.
- they can be lost easily

- they can break easily trough a few bad handlings
- they won't be more reliable than a usual harddrive

Before you buy into stuff, you should consider this common and good working rule for securing your data.
The 3-2-1 Rule:
- 3 Copies of your Data
- 2 places for them
- 1 out of your house (a friends house or a family members house)

Why is this a common principle?
- Some people say Data stored at one place should always be considered lost, no matter on what physical storage it is safed. (Harddrives fail, USB Sticks fail, SSDs fail, SD Cards fail, everything failes eventually)
- Data at your home can still be lost. For example through fire, lightning or burglary.

So, what are common solutions for this.
You might buy something like a NAS. (Network attaced Storage.) QNAP builds some of these and they are easy to use. (But expensive)
Thant NAS would then be filled with several HDDs. (Make a RAID 5 and you are safe from the failure of one drive.)
After that your data should still be safed on a additional HDD. Maybe again a RAID System.

Yes this is quite an expensive solution. But recovering 1 TB of Data through a qualified Service Company will cost you almost as much AND there will be no guarantee, that your Data can be restored.

If you have the money to buy expensive lenses an cameras, you should not spare on your data security.
Forum: Pentax News and Rumors 02-25-2019, 08:24 AM  
Ricoh Theta Z1
Posted By Tau-Ceti
Replies: 117
Views: 11,519
Ricoh Imaging Germany has published some sample shots taken with the new Ricoh Theta Z1:
(Ignore the previews. You can download the high resolution files at the bottom)

RICOH THETA Z1 - RICOH IMAGING DEUTSCHLAND GmbH
Forum: General Photography 01-07-2019, 09:01 AM  
Searching for an specific photograph and willing to pay for it...
Posted By Tau-Ceti
Replies: 9
Views: 965
Have a look at Gabriel Isak.
His work is more focussed on surrealism, which might be more, what you are looking for.

Selected Works - GABRIEL*ISAK

My Surreal Photography is a Reflection on Years of Depression
Forum: General Photography 12-09-2018, 09:47 AM  
Searching for an specific photograph and willing to pay for it...
Posted By Tau-Ceti
Replies: 9
Views: 965
Have you ever heard of Erik Johanson?
He is a photoshop artist and may have somehing you look for.

How about this, for example:
Expectations, an art print by Erik Johansson - INPRNT
Forum: Pentax News and Rumors 05-08-2018, 05:51 AM  
DPReview: K-1 IIs Noise Reduction costs Details
Posted By Tau-Ceti
Replies: 44
Views: 6,377
Sadly not. I could find the patterns in the K-1 Mark II of a local store and on my own copy as well.
Forum: Pentax News and Rumors 05-07-2018, 03:26 PM  
DPReview: K-1 IIs Noise Reduction costs Details
Posted By Tau-Ceti
Replies: 44
Views: 6,377
The pattern is spotable not only there...
See the same szene at ISO 100.
Forum: Pentax News and Rumors 05-07-2018, 03:07 PM  
DPReview: K-1 IIs Noise Reduction costs Details
Posted By Tau-Ceti
Replies: 44
Views: 6,377
This pattern is far to regular to be random noise.
Perhaps it is more visible here:
Forum: Pentax News and Rumors 05-07-2018, 02:44 PM  
DPReview: K-1 IIs Noise Reduction costs Details
Posted By Tau-Ceti
Replies: 44
Views: 6,377
If you take a closer look you can see a kind of fabric mosaic pattern. The space should be grey only. I mean the dot pattern besides the chroma noise.
All images i checked were RAW files.
Forum: Pentax News and Rumors 05-07-2018, 02:25 PM  
DPReview: K-1 IIs Noise Reduction costs Details
Posted By Tau-Ceti
Replies: 44
Views: 6,377
Hi folks,
DPReview just published their review of the Pentax K-1 Mark II. (See here)
Based upon the previous sample shots (mostly concerning Details and High ISO behaviour) these are the most professional Images i came across so far.

Besides the loss in Detail i spottet something different in their images. A strange regular pattern which only the K-1 II has.
(I checked the K-70 for such patterns and couldnt find any.)

(This is a sample from ISO 104.200 at about 3:1 magnification.)

The same pattern is also visible in the sample shots, which i took earlier with the K-1 Mark II.
Forum: Pentax News and Rumors 04-05-2018, 01:27 PM  
Pentax K-1 Mark II - Sample Shots (RAW)
Posted By Tau-Ceti
Replies: 56
Views: 11,372
Well, that was the most detailed object around.
Take a look at all the fine Details on some of the books.

(No, i dont get paid for Advertisement. Had nothing against it, though.)
Forum: Pentax News and Rumors 04-05-2018, 10:49 AM  
Pentax K-1 Mark II - Sample Shots (RAW)
Posted By Tau-Ceti
Replies: 56
Views: 11,372
Hi folks,
a local store had the K-1 Mark II on shelfes already which is where i took the chance to take some sample shots.
All in PEF, taken with the 24-70. Note that the light was flickering.

Tell me your opinion!

Pentax K-1 Mark II

Edit: Files are named now

Another Edit:
Had the chance for some more samples:

Pentax K-1 Mark II - High ISO Handheld Pixelshift Samples
Forum: Pentax Price Watch 01-10-2018, 08:43 AM  
Amazon Warehouse - DA 60-250 f/4 - $421.95 (1 copy)
Posted By Tau-Ceti
Replies: 10
Views: 1,228
Hmm, sadly this is a common SCAM Method in the german Amazon.
Usually some retailer offers products for a ridiculously low price and then proceeds to demand the payment outside of Amazon.
Your money is gone and you never see what you ordered. Amazon seems to be rather powerless about this, as scammers open hundreds of accounts and sometimes even hack into trustworthy and proven retailers accounts.
Though the amount of these offers went back here.
Forum: Pentax Price Watch 08-26-2017, 06:07 AM  
Upcoming Amazon.UK Deals (Ricoh GR II & Pentax K-S2 with 18-50)
Posted By Tau-Ceti
Replies: 0
Views: 665
I spotted two Deals on Amazon.co.uk

The GR II Deal is currently running (at 460 Pounds) until the end of the Day.

The Pentax K-S2 Deal will start at 7:15 PM

Shop The Future Deals @ Amazon.co.uk
Forum: General Talk 07-09-2017, 10:09 AM  
2015 PentaxForums T-Shirt 2a is in Print again
Posted By Tau-Ceti
Replies: 1
Views: 733
Evening Folks,
you can now buy one of the 2015 T-Shirts.

2015 Pf Design 2a Red T-Shirt | Teespring
Forum: Monthly Photo Contests 07-02-2017, 11:23 AM  
Joy
Posted By Tau-Ceti
Replies: 2
Views: 199
(This Sculpture can be found in the glyptothek in Munich)
Forum: Pentax News and Rumors 03-25-2017, 08:13 AM  
"TTL Without Boundaries"
Posted By Tau-Ceti
Replies: 25
Views: 3,295
For more information, read the official press release:

https://www.cactus-image.com/Press%20Release%20-%20Cactus%20X-TTL.pdf
Forum: Pentax News and Rumors 03-24-2017, 01:50 PM  
"TTL Without Boundaries"
Posted By Tau-Ceti
Replies: 25
Views: 3,295
Evening Folks,

Cactus will release a free update concering flash compability.
V6 II and V6 IIs wireless flash transceivers will receive an update which will make them compatible among other brands cameras and flashes.
The Update will make TTL and HSS compatible among brands.

Found here:
Free Cactus Firmware Lets You Use HSS and TTL with Different Flashes and Camera Systems

Updates are cooming soon.
Cactus V6 II Wireless TTL HSS Flash Transceiver

Greetings,
René
Forum: Pentax DSLR Discussion 01-30-2017, 05:29 PM  
Impossibly low Amazon Marketplace listings
Posted By Tau-Ceti
Replies: 11
Views: 1,610
This has been a problem in germany too, for a while now.

The main trick is to undergo amazon through offering extremly cheap prices and then beging the customer to pay through every possible way outside of amazon.
You usually dont get anything and amazon cant do much about it either. So stay away from too cheap prices. As you said "to good to be true, it probably is."
Forum: Pentax News and Rumors 01-27-2017, 01:00 PM  
Pentax KP - High ISO Samples
Posted By Tau-Ceti
Replies: 350
Views: 51,272
Hi folks,
i have been looking around and found, that the german Ricoh Homepage actually has some comparable High ISO samples of the new KP.

PENTAX KP - RICOH IMAGING DEUTSCHLAND GmbH

Forum: Flashes, Lighting, and Studio 01-07-2017, 12:31 PM  
Pentax to Nikon HSS converter and all Manual remote flashes.
Posted By Tau-Ceti
Replies: 1
Views: 831
Can you tell me how the converter is called?
Forum: Post Your Photos! 12-31-2016, 10:57 AM  
Best of 2016 Year of the Monkey
Posted By Tau-Ceti
Replies: 5
Views: 645
This is a remarkable shot. I almost want to cuddle them =)
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