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Forum: Visitors' Center 03-06-2019, 06:13 PM  
Need advice for value on camera
Posted By calsan
Replies: 22
Views: 922
Upgrade to what? I doubt there's much available that would have better image quality than the K-70...
Forum: Troubleshooting and Beginner Help 02-28-2019, 09:46 PM  
Better image quality with DA-L 18-50 than with Sigma 10-20 f/3.5, how so?
Posted By calsan
Replies: 13
Views: 858
Turn off all in camera corrections. The Pentax lens supports in camera corrections, the sigma doesn't. These get baked into the raw file and depending on software, may process by default.
Also, trees aren't the static subject we imagine - they move A LOT. Even on 'windless' days, you will need a fast shutter speed (above 1/250, for example) to avoid the twigs blurring. The sigma is taken at a twice as long shutter speed as the pentax.

Besides all that, it looks like the pentax has more CONTRAST rather than sharpness to me.
Forum: Pentax Q 02-14-2019, 10:38 PM  
Q10 Macro question
Posted By calsan
Replies: 4
Views: 403
I guess that's just doing a few 'style' (color / sharpness...) settings - same as for other scenes modes like portrait which makes skin look a bit more red.
They never did release the proposed "09-Telephoto macro" lens.
Forum: Pentax News and Rumors 02-14-2019, 07:57 PM  
CP+ interview question suggestions
Posted By calsan
Replies: 129
Views: 7,118
Will there be a camera with both built in GPS and a built in flash?
Forum: Pentax News and Rumors 02-06-2019, 09:37 PM  
Ricoh booth at CP+
Posted By calsan
Replies: 474
Views: 30,820
OK- going off subject slightly, I agree - I think the Pentax website is a actually strong point of the brand. Mainly because it doesn't follow the usual massive corporate website model of "simplicity hiding a whole lot of outdated and hidden crud." Try and upgrade your firmware or download the latest software using the websites of some other brands.

Pentax doesn't require you to either enter your serial number, correctly type in the model number of the camera then hit search, no need to parse through hundreds of irrelevant search results.
Just hit 'support' then 'software downloads' bingo. There they all are - firmware and software for every model and you can see the version number on this page too.
Forum: Visitors' Center 01-28-2019, 05:12 AM  
Trouble with GPS calibration
Posted By calsan
Replies: 4
Views: 307
Pentax O-GPS1 GPS Unit Review - Introduction | Reviews

This article I found very helpful. For astrotracer, you need to do 'precise calibration' first. I found background light was the limiting factor to my exposure times. Good luck with the experiments.
Forum: Pentax Film SLR Discussion 01-22-2019, 09:52 PM  
Plastic piece for advance lever on an MX
Posted By calsan
Replies: 6
Views: 449
Forum: Pentax DSLR Discussion 01-17-2019, 09:25 PM  
Leaving Pentax
Posted By calsan
Replies: 71
Views: 4,525
I just bought an olympus TG-5 waterproof camera. AFTER paying, I noticed an old ashiflex behind the salesman. I asked to look at it - that triggered discussion about my old KX and other Pentaxes I have accumulated. Despite me telling him that I mostly shoot pentax, the salesman proceeded to treat me to a 10 minute rant about everything that sucked or was wrong with Pentax, Ricoh and their cameras...A true "DPReview fanboi". Still, I find that sort of thing pretty boring and my eyes glazed over during the lecture, while I looked to get out the door politely...

This is the same in every other hobby. The mainstream is strongly enforced. I also do cycling - recently Peter Sagan (several times world champion) decided to use a 'cheap' aluminum framed bike in a race in Australia. This caused major upset to all the middle aged men who believe that they must have the best of the best. (Where the best is the most expensive.) He came second in that race, giving some confirmation that it's more the user that matters than the equipment. :D
Forum: Pentax DSLR Discussion 01-10-2019, 08:39 PM  
Pentax not for shooting kids
Posted By calsan
Replies: 28
Views: 1,960
National Geographic must have had no photos of wildlife excepting turtles and sloths before the 1990s? Set aperture, set shutter speed, pre focus, pan the subject then click. ;)
Forum: Pentax DSLR Discussion 12-13-2018, 08:38 PM  
And people wonder why DSLR sales are declining...
Posted By calsan
Replies: 154
Views: 5,994
I would only park my first car at the top hills, facing downwards, to allow 'easy starting'. Just open the door, push the car along with one leg, press the accelerator with the other, turn the key and hope that the engine starts before you run out of hill. Perth's pretty flat, so there were many places I couldn't visit if I wanted to get home. :D
Forum: Digital Processing, Software, and Printing 12-10-2018, 09:55 PM  
Just did a dedicated Mac for $200 way too cheap!
Posted By calsan
Replies: 5
Views: 569
For the sake of those reading this thread and wondering, 'what patch?'

They're here:
dosdude1's Personal Web Server - Software
Forum: Pentax SLR Lens Discussion 11-28-2018, 12:37 AM  
DA15 for hiking?
Posted By calsan
Replies: 24
Views: 1,137
Forum: General Photography 09-26-2018, 09:53 PM  
Sticking your lens in someone's face...
Posted By calsan
Replies: 70
Views: 2,359
Try and take architectural photos where you want no-one in the shot. Just as you click the shutter release, several people will lunge into the frame. ie - my theory is that if people sense that they are not wanted in the shot, they will be very happy to stand in front of your camera.... and vis-versa...

So my suggestion would be to try wave people away from the scene - you will soon get all the volunteer subjects you require.
(Less sarcastically) try using a very wide angle lens and frame your shot - then wait for the right person to walk into the frame. The general public seem to be unaware of wide angle lenses - but they can tell a telephoto lens right away.
Forum: Pentax DSLR Discussion 09-09-2018, 09:59 PM  
DCU Question
Posted By calsan
Replies: 1
Views: 479
That just indicates / highlights the settings you changed from the previous shot.

For example
Take photo 0001
change the aperture
photo 0002 will show the aperture in red

It also shows the settings that were changed automatically by the camera.
Forum: Digital Processing, Software, and Printing 08-09-2018, 08:20 PM  
Printing at home - what's the real cost?
Posted By calsan
Replies: 23
Views: 1,812
The OP question was about reducing printing costs, so using a CISS ink system was my suggestion.
Forum: Pentax K-5 08-09-2018, 12:26 AM  
K-5 IIs . . . stretching battery life
Posted By calsan
Replies: 7
Views: 817
Keep it warm...somehow! Batteries don't like being cold.
Forum: Digital Processing, Software, and Printing 08-09-2018, 12:21 AM  
Printing at home - what's the real cost?
Posted By calsan
Replies: 23
Views: 1,812
Without answering all your questions, I can recommend this system to deal with the cost of doing lots of prints with an inkjet -
Rihac Continuous Ink Supply Systems, CISS, Printer refills Ink & Cartridges
I use a Rhiac 'CISS' system with my Epson Workforce, with the Photo Pro Pigment Inks. A small amount of technical skill and care needed to set it up and you really should follow the instructions to the letter. Delivers HUGE cost saving compared to the tiny OEM cartridge inks and quality is the same as the OEM inks too.
Forum: Pentax K-1 07-30-2018, 01:35 AM  
Inaccurate of AF points
Posted By calsan
Replies: 13
Views: 712
Lens Rentals | Blog
"This lens is soft" and other myths

Most people "test" their lenses indoors - with some artificial lights on...or light coming through a window... so don't be surprised when all your lenses "need adjusting" but when you go outside, suddenly your perfect adjustments aren't so perfect... because the wavelengths of the light are different.

Anyway, just saying the factory knows more about the design parameters of the lens and where is the 'best compromise' for that lens - unless your house looks like this, I'd leave it alone: :lol:

Forum: Pentax K-1 07-29-2018, 08:23 PM  
Inaccurate of AF points
Posted By calsan
Replies: 13
Views: 712
I think 99% of the time AF adjustment falls under the 'don't fix it because it's probably not broken' category.
It's unlikely that modern factories are shipping out lenses with focus adjustment so wrong that it may be better adjusted by a home user using graph paper and a ruler.

Also - photographing a flat plane - if the middle point is 'x' meters away, the edge will be 'x plus a bit more' meters away from the lens (the bit more will depend on the focal length), so this is the point of stopping down to an aperture so that it covers the area required to be in focus. Like with a 15mm lens, a subject 1m away in the middle of the frame will be about 1.5m away at the edge of frame and so you need f/11! Which is why fast and wide is not so necessary for architectural photos.
Forum: Troubleshooting and Beginner Help 07-03-2018, 12:54 AM  
Which lens is best??
Posted By calsan
Replies: 34
Views: 1,598
Wildlife could be anything from huge, slow moving and fearless to small, fast, timid and nocturnal. The first you could walk up to with a wide angle and... the second might require a mortgage for the equipment.
Forum: Pentax News and Rumors 06-06-2018, 10:56 PM  
Amateur Photographers (UK) Predicts End for Pentax
Posted By calsan
Replies: 887
Views: 60,924

You Tube

From many years back... dp review! dp review!
Forum: Pentax K-3 04-03-2018, 12:34 AM  
Pentax K-3 II Overexposing
Posted By calsan
Replies: 12
Views: 1,353
Something I have been generally satisfied with as a starting point for general snapshots with my K3 is:

Set exposure to -0.7
Then while processing in Pentax DCU, try setting dodging to +20%.

This gives exposures that look the same as "What I was expecting" - but this expectation comes from my previous cameras...
The K3 can be underexposed safely a huge number of stops, but any over exposure is disastrous, so I always start from -0.7.
Forum: Pentax DSLR Discussion 03-16-2018, 11:42 PM  
Reluctant to purchase K1 but I did
Posted By calsan
Replies: 12
Views: 1,620
I thought it had a higher frame rate if you set it to APS crop? Out of my price range, so not speaking from experience...
Forum: Pentax News and Rumors 03-15-2018, 05:42 AM  
More Limited lenses
Posted By calsan
Replies: 210
Views: 16,433
I thought the 43 came from the diagonal of 36mm (x 24mm) film.
Forum: Pentax News and Rumors 02-27-2018, 06:32 PM  
Good: New roadmap, new lens
Posted By calsan
Replies: 407
Views: 28,410
This makes sense on the face of it, but is at substantial risk of villagers (pentaxians) with pitchforks and burning torches if they do anything that slightly depletes the lens' magic. Remember the 15 limited upgrade and it's curved shutter blades ruining the starbursts! An improvement in sharpness or aberrations other characteristic might cause the loss of pixie dust and there would be riots in the streets.
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