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Forum: Pentax K-70 & KF
07-15-2019, 07:46 AM
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- lack of ability to use build in flash as commander!!!
I understand this to be business decision as K-50 had this.
- I would gladly swap WiFi for GPS
WiFi is no use to me as this requires me to disconnect from internet in order to grab some photos that I want to quickly upload to internet.
Bluetooth would be so much better, GPS would be even better.
- USB charging
Its 21st century, we really should have option to charge camera using USB
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Forum: Mini-Challenges, Games, and Photo Stories
03-29-2019, 04:21 AM
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I guess this counts as low key :-).
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Forum: Monthly Photo Contests
01-11-2019, 04:41 AM
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Forum: Winners' Showcase
01-11-2019, 04:41 AM
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I would like to nominate this photo
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Forum: Monthly Photo Contests
01-11-2019, 04:40 AM
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I would like to nominate this photo
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Forum: Monthly Photo Contests
01-11-2019, 04:40 AM
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I would like to nominate this photo
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Forum: Monthly Photo Contests
01-11-2019, 04:40 AM
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I would like to nominate this photo
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Forum: Winners' Showcase
01-11-2019, 04:39 AM
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Forum: Monthly Photo Contests
01-11-2019, 04:39 AM
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Forum: Digital Processing, Software, and Printing
12-14-2018, 06:50 AM
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Free software is not included as they wouldn't sponsor.
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Forum: Flashes, Lighting, and Studio
10-19-2018, 01:22 AM
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I'm using Panasonic/Sanyo Eneloop NiMH (white ones) and IKEA 2450 (which are rebranded Eneloop Pro (black version)).
As for charger I only use 'smart' chargers. My current one is bc-700. It only charger at 700mA so its gentle for batteries, unfortunately it takes about 3h to fully charge AA battery. But I stock plenty.
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Forum: Pentax K-30 & K-50
10-08-2018, 01:17 AM
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AF-360FGZ works perfectly. The other one no idea
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Forum: Repairs and Warranty Service
07-26-2018, 02:27 AM
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55-300 is fairly large lens. Biggest issue for me was putting together shims and electric contacts.
Everything else wasn't too difficult.
At $30 I would attempt repair myself :-)
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Forum: Monthly Photo Contests
04-12-2018, 01:00 AM
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I would like to nominate this photo
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Forum: Monthly Photo Contests
04-05-2018, 02:37 AM
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I would like to nominate this photo
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Forum: Monthly Photo Contests
04-05-2018, 02:30 AM
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Forum: Pentax DSLR Discussion
12-08-2017, 04:04 AM
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Got my K-70 as Black Friday deal with £100 off and DA50 thrown is for free :-). Can't complain.
K-70 looks and feel very similar to my K-50.
Few buttons moved places + there is one extra button for wifi/fx2.
Screen gives impression of being smaller.
GUI is modified with some additional options that were not there in K-50.
Sensor on K-70 blew my mind. I get so much more details it is really superb. I wonder if this is mostly due to higher sensor resolution or low pass filter omission.
Biggest down side for me is lack of wireless flash trigger function. There is now manual flash control tough.
Not exactly 1:1 exchange but it is something. I can only hope Pentax (or some 3rd party) will release small flash with trigger function, as neither AF200 not AF201 have this, or I get myself ACON trigger for next Christmas.
And it is only available in black and silver finish. No storm trooper white ;-(
Can't comment on KP.
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Forum: Pentax K-30 & K-50
11-03-2017, 04:12 AM
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My K-50 suddenly started suffering from dark frames few weeks ago.
I gathered couple old laptop CD/DVD drives in hope I will be able to devour solenoid from one of these.
I have removed bottom and front cover from my camera and located faulty solenoid (as per instruction from first page. No need to remove top cover). Now having clear view on failed part I opened first DVD-ROM drive disc tray, and behold, solenoid used in tray opening mechanism was almost identical to the one in camera. One difference I have notices is that magnet used in DVD drive solenoid is slightly (1mm) higher than the one in the camera but all external/important dimensions were the same.
Using small scissors I cut ribbon cable solenoid in DVD drive was soldered to and gently removed it from enclosure, making sure I do not break tiny wires. Now using precise soldering iron and ‘third hand’ I desoldered what was left of ribbon cable.
Now back to camera. Desoldered two wires going to solenoid, unscrew it and removed from camera. Put new solenoid in its place and solder the wires to it. I have put both covers temporarily back on and tested camera. It was not working any better. After some deliberation I flipped little magnet in solenoid upside down. And camera spring back to life. I have make about hundred test photos since. All well exposed.
HINT ON SOLDERING: Before soldering make sure wires are wetted with solder and put some soldering flux on both soldered parts
HINT TO HINT: if you do not have soldering flux at hand you can use some clear alcohol (Polish vodka is the best and has so many more uses :-) )
Internal resistance (measured using cheap Chinese multi-meter) of both parts :
- Original green Pentax solenoid: 14 ohm
- DVD ripped solenoid: 26 ohm
Btw. I do not recommend soldering wires midway as this is actually more difficult to do and involves way more solder and heat.
Tools I have used:
- precise screwdrivers set (B&Q 6GBP) with proper size handles
Do not use those small all metal chinese made 'precise' screwdrivers.
Those have small handles and are usually made with some soft steel.
- precise soldering iron set (includes some solder with flux, precise pliers) (Amazon 17GBP)
Either but proper soldering iron or do not buy it at all.
Soldering station available from German shop starting with 'L' won't do as it doesn't have right tip.
Soldering irons available in diy shop do not allow for temperature control and don't have right tip.
- soldering flux (Amazon ~2GBP)
- small scissors (wife)
- third hand (Amazon)
Good luck.
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Forum: General Photography
08-17-2017, 04:17 AM
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Using square panel would make sens if portraiture to landscape orientation ratio is close to 1.
In my case most of my photographs (70%) are in landscape, many in 'longer' than photographic 3:2 aspect ratio.
I'm using DIY photo frame made out of 22inch 16:9 IPS LCD panel. To solve aspect ratio mismatch I'm using blurred and desaturated image as a background.
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Forum: Flashes, Lighting, and Studio
06-26-2017, 01:36 AM
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Want to try different approach? Take a look at Gavin Hoey's YouTube videos (plenty to chose from).
He shows everything in very simple steps and explains almost everything:
You Tube
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src="https://www.youtube.com/embed/Ba1Hiq3w3kc?controls=1" allowfullscreen>
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Forum: Troubleshooting and Beginner Help
06-07-2017, 08:46 AM
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File size is not indication of image size
For completeness:
Raw data from K-1 sensor is:
36Mpx * 14bit per photo cell = 60MB
If DNG from K-1 are 45MB in size this indicates some compression is applied.
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Forum: Troubleshooting and Beginner Help
06-07-2017, 06:29 AM
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Assuming you are working in 16b color depth with alpha channel:
36Mpx x (3 colors + alpha) x 2 bytes per color
that is 288MB after reading RAW file or decompressing JPEG
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Forum: Flashes, Lighting, and Studio
06-02-2017, 12:47 AM
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Few months ago I tried setting up YN560IV as optical slave to build in flash on K-50. And I could not get it working (not that I spend too much time on solving this ;-)
YN560IV flashes have build in transceiver that is compatible with YN560-TX (which is great for manual flashes) as well as RF-503III (small and cheap and has pass through)
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Forum: Film SLRs and Compact Film Cameras
05-23-2017, 01:28 AM
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My new old camera arrived today. It is in very good condition and all seems to be working well.
I will post some photographs later on.
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Forum: Pentax SLR Lens Discussion
05-19-2017, 11:11 AM
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I love my 18-135. It is very good quality, versatile and responsive. Not to mention weather proof (handy in British weather and on beach day). I had 18-55 (Samsung branded) briefly but found it to be too limiting for all rounder.
If I was to buy my second lens again, it would be DA35mm F2.4. As it is very sharp and gives nice background blur, not to mention it is one of the cheapest Pentax lenses.
As for long lenses. I have two 300mm range lenses and I'm not using any of them as much as 35mm or 18-135mm. It is much easier to crop too wide shot than it is to zoom out too tight.
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