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Forum: Pentax News and Rumors 2 Days Ago  
All three FA Limiteds to be updated + K-1 Mark II J-Limited 01
Posted By calsan
Replies: 323
Views: 17,122
A glass element in the 31 limited has been removed. The SMC model had 9 glass elements, the HD model has 8. See the diagrams attached.

Speculation on reasons encouraged!

(New HD on the left / Old SMC on the right.)
Forum: Troubleshooting and Beginner Help 3 Days Ago  
Wide angle lenses ?
Posted By calsan
Replies: 40
Views: 1,580
I will say that there is a 'trick' to getting a good result with the 18-55 at 18mm. Make sure it's aperture is kept between f/5.6 and f/8. Shooting at f/3.5 gets a bit dull looking results as does closing down beyond f/11.
At f/5.6, it's pretty good. It's also a pretty impressive lens if you move just a little bit away from 18mm, say 21-24mm range (approx.), where it sharpens right up. So, it's actually a nice walk around 21mm lens if you apply some "imaginary duct tape" to the zoom control.
Forum: Troubleshooting and Beginner Help 12-29-2020, 09:00 PM  
Please help with old telephoto lenses
Posted By calsan
Replies: 27
Views: 1,612
Cameras have no idea what they are "looking at", so they are programmed to assume every scene they photograph is 18% grey (on average). So if you are taking a photo of a white cat in the snow, it will assume all the white is meant to be greyer and underexpose the scene, making your white cat and the snow look dirty. This isn't a problem with digital cameras, because slightly underexposed photos can be rescued in post processing without losing too much information.
Now taking a photo of a black cat in a coal shaft. The camera assumes 18% grey and will wildly overexpose the photo so your cat turns burnt out white and the coal shaft looks grey. This can't be fixed in post processing.

So, the first scene has bright areas and dark areas and if you imagine 18% grey average across the scene, maybe it's not so far off. So not much need to adjust exposure.

The second photo has mostly really dark areas in the trees and rocks, but the subject (the water) is very bright and takes up only a small amount of area in the photo. So the camera has exposed for 18% grey, but the majority of the scene is dark, leading to overexposure. So to get the exposure right, you need to underexpose deliberately. That will make the rocks darker and the water darker, restoring detail. Lots of ways to achieve this, I prefer just using the +/- exposure setting.
Forum: Photographic Technique 11-04-2020, 08:45 PM  
The ISO 1 Million Club?
Posted By calsan
Replies: 50
Views: 2,023
ISO 1.6M could save you the hassle of removing your ND filter. Just leave it on all the time. :-)
Forum: Digital Processing, Software, and Printing 10-12-2020, 06:45 PM  
Posted By calsan
Replies: 4
Views: 776
I'm still traumatized by Google buying then discontinuing Picasa. Still runs on windows, kind of. But not on current mac os. I did try ACDSEE and a few other trials, but not had the excellent and speedy way of browsing multiple folders that Picasa has/had.
Forum: Pentax News and Rumors 09-03-2020, 09:05 PM  
Another snippet from Pentax HQ
Posted By calsan
Replies: 410
Views: 31,566
All the tilt screen speculation can finally be put to bed.
Forum: Pentax Film SLR Discussion 08-11-2020, 11:00 PM  
US Military mail in price list 1969
Posted By calsan
Replies: 12
Views: 1,242
I'd forgotten about mail order catalogues. Cool find.
Forum: Pentax News and Rumors 08-03-2020, 07:12 PM  
"3 way" binocular and monocular projects
Posted By calsan
Replies: 51
Views: 7,610
V series | Binoculars & Telescope | Products | RICOH IMAGING

These are now a real product scheduled for release. The Japanese language site says they will be available from 4th September 2020.
Forum: Pentax K-30 & K-50 06-18-2020, 12:51 AM  
Where can I get standard focus screen for K30?
Posted By calsan
Replies: 5
Views: 691
It's the same one as for K7, K5 and probably other recent models.
model name is MF-60, which should help you google.

I prefer the divided one, ML-60 - easier to see if you're shooting level.
Adorama has them for a start.

Also try calling Pentax distributor in Australia.
C.R.Kennedy & Co. VICTORIA Phone: (03) 9823 1555

---------- Post added 06-18-20 at 15:54 ----------

Oh, yeah. The price seems high, but they come with a special tweezer tool and storage box.
Just a warning, if you touch the focus screen with your finger (or anything else) IT'S RUINED. There is no way to clean them and they're really delicate. So set yourself up in a clean area and take your time to do it carefully.
Forum: Pentax SLR Lens Discussion 06-15-2020, 09:08 PM  
16-85 off... other choices?
Posted By calsan
Replies: 23
Views: 1,761
Holy moley.
Forum: Pentax SLR Lens Discussion 06-15-2020, 01:40 AM  
16-85 off... other choices?
Posted By calsan
Replies: 23
Views: 1,761
Used Sigma 17-50 f/2.8
Tamron 17-50 f/2.8
or Sigma 17-70,
or a Pentax 16-45 f/4
would be the obvious choices for approximately that budget, depending on their condition...

Plan B for a bit more cash would be to get the Pentax 18-135 which isn't as high optical quality as the first three, but is small and waterproof and well liked by those who have it and actually produces nice pictures due to good bokeh. It would still be handy after you get your 16-85 back, in that you would have a lighter standard WR lens for when you can't be bothered carrying the 16-85.
Forum: Pentax KP 06-03-2020, 01:12 AM  
on board flash stopped working
Posted By calsan
Replies: 10
Views: 737
Forum: Pentax KP 06-02-2020, 12:23 AM  
on board flash stopped working
Posted By calsan
Replies: 10
Views: 737
A few things could have gone wrong. Is the flash bulb kind of brown? Blown bulb. More likely, the circuit board for the flash has died. Can be serviced as it's a separate circuit board to the main camera board.
Forum: General Photography 05-18-2020, 06:30 PM  
Temperature range
Posted By calsan
Replies: 15
Views: 909
Only problem I've had with high temperatures is when you have the air conditioning on in the car and then step outside with the camera. The camera can fog up.
Here it gets above 40 fairly often in summer and I've never had any other problems with my cameras. I wouldn't leave them sitting in the sun, though.
Forum: Pentax DSLR Discussion 04-28-2020, 10:55 PM  
Moving from film to digital
Posted By calsan
Replies: 50
Views: 2,304
My tip for digital is that an underexposed photo can be saved. The even slightly overexposed parts of your photo can't be recovered and look horrendous.

Therefore, if you have a scene with a lot of contrast - deliberately underexpose the whole scene and remember to fix it up when you 'develop' it in your computer.

This is the main benefit of shooting digital RAW, but even this is true to a lesser extent in that jpegs can be partly fixed up when underexposed. I had my doubts about digital processing at first, thinking it would suck up too much time, but it's really not much of a hassle. Once you get used to it, you get pretty fast. Soon everyone will be giving you comments on 'how good your camera' is.
Forum: Digital Processing, Software, and Printing 02-19-2020, 06:13 PM  
MAJOR Silkypix upgrade
Posted By calsan
Replies: 17
Views: 6,745
Due to currency fluctuations, that's now $254. Should have bought an hour ago.
Forum: Pentax News and Rumors 02-12-2020, 10:22 PM  
"3 way" binocular and monocular projects
Posted By calsan
Replies: 51
Views: 7,610
Well, the designs make perfect sense for the uses they're showing.
Watching sport or opera or casual use doesn't really require lugging 1.5kg of high grade binoculars or a spotting scope. Plus you would get looked at askance at the opera whilst setting up your 20x70s on a tripod. Also, they acknowledge the fact that most people just shoot with smart phones and the monocualar with the smart phone adaptor would have "general appeal", IMHO.
Forum: Pentax News and Rumors 02-12-2020, 06:34 AM  
"3 way" binocular and monocular projects
Posted By calsan
Replies: 51
Views: 7,610
Makuake???????????????????? ? ??????????????????? - ???????????
Looks like Pentax are developing a couple of unique optical products. There's more to them both than initially meets the eye. You need to watch the videos... wait for it wait for it...
Forum: Visitors' Center 02-04-2020, 06:39 PM  
Pentax R&D
Posted By calsan
Replies: 1
Views: 585
You could try starting with the links on this page:
Global R&D | Global | Ricoh

I imagine you may get the run around... If it's worth your time and money, consider getting your message professionally translated into Japanese and asking for someone you could post it to, rather than emailing.
Forum: Pentax K-1 02-01-2020, 07:22 PM  
Sensor Cleaning Advise K1MII
Posted By calsan
Replies: 30
Views: 2,246
Another vote for the O-ICKI.
My K10d was practically unusable after getting pollen sucked inside it using a non weather sealed zoom lens. Rocket blower was useless. Was up in the hills around Tokyo for a holiday... Pollen everywhere from the trees like an orange cloud. O-ICKI fixed it and I think that after you use it a couple of times, you almost never get dust on the sensor again. Seems to decrease the stickiness of the sensor somehow.
Pentax Image Sensor Cleaning Kit, O-ICK1 reviews - Pentax Camera Accessory Review Database
Forum: Pentax Film SLR Discussion 11-26-2019, 09:34 PM  
New adventure: KX restoration?
Posted By calsan
Replies: 27
Views: 1,828
..makes mental note to never lend equipment to anyone named Lawson...
Forum: Pentax SLR Lens Discussion 11-17-2019, 07:27 PM  
Options to extend reach
Posted By calsan
Replies: 43
Views: 2,814
Keep still and stay in the same spot. Eventually, birds will get used to you being there. You will get nicer shots when the birds are closer, regardless of the lens. Check out the patience required in this 'making of' article. Now admittedly, he has a long lens, but it's the sitting around waiting to the point that the bird ignored him that was key. The Making of "Asio flammeus" - Photo Contests |
Forum: Pentax K-70 10-29-2019, 06:50 PM  
Camera Utility 5.8.3
Posted By calsan
Replies: 5
Views: 862
One little trick to avoid this in future is to start with a opening .PEF file in the windows explorer. BUT:
sometimes windows doesn't seem to know to open PEFs with Pentax DCU.

To fix this:
Right click on a PEF file and with the drop down menu select "Open with..."
You will see "Digital Camera Utility 5" BUT scroll past to "choose another app". A little window appears. Select "Digital Camera Utility 5" AND tick the always open with box.

From now on, you just need to double click a PEF file to open DCU.

There is a setting in DCU that needs to change also, otherwise you just see the one photo you clicked on and not every other photo in the folder.
Open Tools menu, then Options, then File Management:
There is a option "How to specify the edit candidate images" change this to "All image files in the specified image list"

And you're sorted.
Forum: Pentax Camera and Field Accessories 10-24-2019, 09:26 PM  
Question: Best inexpensive fast flash suitable for sport/cycling photography?
Posted By calsan
Replies: 14
Views: 771
As a cyclist, I'm not sure I'd want a flash going off in my face during a race...
Forum: Pentax Film SLR Discussion 10-07-2019, 10:38 PM  
AF280T replacement?
Posted By calsan
Replies: 12
Views: 619
Hi Leekil
I don't know if you've seen this?:
Comprehensive Pentax Flash Guide - Articles and Tips |
Nigel McGregor wrote a [stupendous] Pentax Flash Guide.
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