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Forum: Pentax Price Watch 10-14-2020, 03:47 PM  
$100 price drop on the DA 1.4x teleconverter
Posted By cdw2000
Replies: 7
Views: 944
Same here, I was kicking myself for not ordering it when I first saw this deal here and then it was out of stock and price bumped up to $596. But it was still on my wish list at B&H so they sent me an email to let me know it was back in stock and $200 off (really $100 off of the non-inflated price). This time I jumped on it.
Forum: Pentax Price Watch 10-14-2020, 01:09 PM  
$100 price drop on the DA 1.4x teleconverter
Posted By cdw2000
Replies: 7
Views: 944
Back in stock at B&H. And back down to $397.
Forum: Pentax SLR Lens Discussion 10-12-2020, 04:05 PM  
need advise on a good cheap lens for nature pictures.
Posted By cdw2000
Replies: 24
Views: 1,153
Thanks for the correction. I learned something new! :-)
Forum: Pentax SLR Lens Discussion 10-12-2020, 11:31 AM  
need advise on a good cheap lens for nature pictures.
Posted By cdw2000
Replies: 24
Views: 1,153
For pictures of wildlife, you need a long lens that is relatively fast, though higher ISO settings can help compensate for slower lenses at the expense of some added noise. Out of your list, the SMC F 1:4.5-5.6 100-300mm lens is your fastest/longest lens, though it is manual focus. If you want autofocus your best option in your list is the Sigma 19-250mm F3.5-6.3 DC Macro.

Edit: Correction - The SMC F 1:4.5-5.6 100-300mm is an autofocus lens, so you should just be good with that one.

I would suggest you try both in your backyard or a park where you can practice shooting birds or other small critters. At the full zoom position of either lens, you typically want to shoot with exposures at 1/200 or faster to reduce motion blur from your subject (especially birds).
Forum: Post Your Photos! 10-08-2020, 01:55 PM  
Landscape Sea of leaves
Posted By cdw2000
Replies: 4
Views: 270
Nice, shot, again. I should get some of my autumn photos posted.
Forum: Post Your Photos! 10-08-2020, 01:53 PM  
Landscape Old Sandwich Baptist Church & Graveyard
Posted By cdw2000
Replies: 5
Views: 270
Yes great shot! And to dmjjr, I'm currently living in Merrimack, NH. Small world!
Forum: General Photography 10-06-2020, 05:19 AM  
Ansel Adams Exhibition
Posted By cdw2000
Replies: 14
Views: 828
I too saw an exhibition of his prints many years ago in Cambridge, MA at the Polaroid Exhibition Center (now gone I think). Seeing an actual print of "Moonrise, Hernandez, New Mexico" brought a tear to my eye.

I was also surprised to find out that he was sometimes employed by Polaroid as a test photographer and many of his shots were made on Polaroid large format film. The type he used would create an instant full-size positive proof as well as the negative, which he would then take into the darkroom and perform his masterful art on.

The exhibition also featured photos he took using the Polaroid instant cameras of the time. They still came out as technical masterpieces for lighting and composition. He was a true master of the medium.
Forum: Pentax DSLR Discussion 10-01-2020, 01:03 PM  
Have Pentax IBIS capabilities improved with successive generations?
Posted By cdw2000
Replies: 26
Views: 1,340
The KP is supposed to have a more advanced IBIS than previous APS-C cameras. From Ricoh's website: "The PENTAX KP comes equipped with the innovative sensor-shift-type SR II (Shake Reduction II), which assures optimum compensation effect for all lenses. In addition to common camera shake caused by pitch and yaw, this five-axis mechanism also compensates for camera shake caused by horizontal and vertical shift (often generated in macro photography) and camera shake caused by roll, which is difficult to handle by lens-installed shake reduction mechanisms. Thanks to a wide compensation range of five shutter steps,* it benefits a number of handheld applications, such as when using a telephoto lens or shooting in poorly-lit locations, to capture sharp, blur-free images."

DP Review has charts comparing picture usability with SR on and SR off, though they also say that it only provides a small improvement over the previous SR system: Pentax KP Review: Digital Photography Review
Forum: Pentax DSLR and Camera Articles 09-25-2020, 10:15 AM  
Which remote cables can be used?
Posted By cdw2000
Replies: 30
Views: 22,255
Coming back to Pentax after a long hiatus, I was looking at getting a Pentax remote, or building one, and ran across this thread. Since many of the links in this thread do not appear to work anymore, I'd thought I would refresh it with this DIY page I just came across:

www.doc-diy.net :: camera remote release pinout list

This page indicates that Pentax remotes use the same pinout as Canon, which would imply that any Canon wired remote would work with the Pentax.
Forum: Pentax Camera and Field Accessories 09-07-2020, 11:31 AM  
Accessories for DSLR newbie
Posted By cdw2000
Replies: 49
Views: 1,492
First, congratulations on getting a K-70! I just recently moved up from a Panasonic Lumix FZ300 (SLR-like superzoom camera) to the K-70 and love the image quality of my new Pentax. My initial lens purchased with the camera was the 18-135mm Pentax DA zoom, but I soon ended up buying a number of additional lenses.


The first thing I got was spare batteries. I got the Wasabi brand equivalents, and they seem to be working well so far. The next I would suggest, is an inexpensive, but decent camera bag or holster that will hold as a minimum, your camera and lens, spare batteries, microfiber cleaning cloth, etc. I say inexpensive, because you will probably want to step up once you've been out shooting a few times. By then you will have a better idea of what style you might prefer.


As far as lenses, etc, as others have already noted, once you get out shooting, you will have a better idea of what you will need, based on the kind of photography you want to do.
Forum: Weekly Photo Challenges 08-31-2020, 04:59 PM  
Weekly Challenge Contest #507 "A Different Perspective"
Posted By cdw2000
Replies: 16
Views: 925
The time has come, though this was tough to judge. All entries are excellent for this subject.

For the winner, I have to go with gump's Mt. Rushmore profile. I've never seen Mt. Rushmore from that angle. The lighting and striking contrast of Washington's face just makes it "pop" for me. Congratulations.

For 2nd place, I go with "Old Glory", by djb47. It's a very creative perspective of the U.S. flag.

3rd place is "Up, up, and away" by atupdate.

Honorable mention for humor goes to CedrusMacro for "Rush hour traffic". :lol:


I also give an honorable mention to all other entries. All were good examples of the theme and technically excellent.

-- Chris
Forum: Weekly Photo Challenges 08-31-2020, 08:32 AM  
Weekly Challenge Contest #507 "A Different Perspective"
Posted By cdw2000
Replies: 16
Views: 925
Just a note that the contest is now closed to submissions. I'll determine the winners later today. Great photo's overall, everybody. You've made my job hard!
Forum: Weekly Photo Challenges 08-26-2020, 04:27 PM  
Project 52 P52-9-24 Focus - Out of Focus
Posted By cdw2000
Replies: 9
Views: 843
The moment has arrived to declare a winner. This was a tough choice as all the submissions were excellent. For 1st place, I choose Tsukioji's submission. The soft flowers remind me of a painting by Monet and the composition is great. For the runner up, I'm going to go with djb47's zoom blur. Thanks everyone. Tsukiouji, you get to pick the next contest's winner!
Forum: Weekly Photo Challenges 08-23-2020, 10:14 AM  
Weekly Challenge Contest #507 "A Different Perspective"
Posted By cdw2000
Replies: 16
Views: 925
As the winner of Challenge #506 "Serendipity", I get to pick the next challenge and the next winner!

Challenge #507 is "A Different Perspective". Post a photo with an unusual perspective, either literally or figuratively.

Rules
1. Post ONE photo (max 1024x1024).
2. The photo must portray an interpretation of the theme.
3. Post your single picture in this thread and explain what motivated you to take the picture and/or how you feel it represents the weekly theme (especially if it's not obvious).
4. The challenge is interactive. Any response is welcome.
5. The judge will pick the WINNERS and choose one of them to be the judge for the next week.
6. This challenge runs for 7 days plus an additional day for the judge to choose the winners (Submissions in by 30 August, I'll pick the winner on the 31st)
7. Pictures can be from any time frame, not just within the week of the current theme.
8. In case the winner of a challenge is unable to become the judge for the next challenge, they will PM the #2 winner for that person to be the judge.

Here's one example, though I don't deem it contest winning by any means:
Forum: Sold Items 08-23-2020, 07:38 AM  
For Sale - Sold: Sigma 18-300 f3.5-6.3 Contemporary
Posted By cdw2000
Replies: 1
Views: 386
PM sent.
Forum: Pentax K-1 08-20-2020, 05:16 AM  
Astrotracer vs Tracking Mount
Posted By cdw2000
Replies: 20
Views: 1,273
I think you are referring to the "500 Rule". This website explains it: Use the 500 Rule for Astrophotography | Useful Chart to Avoid Star Trails

There is also a more complex rule that is said to apply better to digital cameras called the NPF Rule. This is also mentioned in the above article.


I have only used the Astrotracer so can't comment on your other question other to say that, even with the Astrotracer, its best to keep the exposure time as short as possible. I typically use a 60 second exposure with the Astrotracer.
Forum: Pentax K-70 08-19-2020, 04:02 PM  
K-70 Battery Door
Posted By cdw2000
Replies: 15
Views: 625
Yeah, I'm going to just give it some time to "wear in".
Forum: Pentax K-70 08-19-2020, 09:13 AM  
K-70 Battery Door
Posted By cdw2000
Replies: 15
Views: 625
I played with it a little more last evening. The spring and hinge are intact and the door will pop open, but you have to push the release lever right up against the stop firmly before the latch completely clears the edge of the door opening.

I looked closely at the gasket and that does not seem to be the problem. It just seems to be that there is no clearance tolerance on the latch at all.
Forum: Pentax DSLR Discussion 08-18-2020, 04:26 PM  
how dangerous is the K 1 and K 1 II
Posted By cdw2000
Replies: 90
Views: 4,753
I tend to agree with GUB. The only advantage you will have with the K1 over the K3(ii) is wider FOV for a given focal length and slightly better ISO sensitivity. I just did some calculations that I find interesting. If you use the K1's crop mode to get APS-C equivalent sensor size, you'll actually end up with lower resolution than with the native APS-C 24MP sensor on the K3. The K1 is 7360 x 4912 pixels at full frame (35.9mm x 23.9mm) The K3 is 6000 x 4000 pixels APS-C (23.5mm x 15.6mm). If you use crop mode which is equivalent to APS-C: 23.5mm / 35.9mm = approx 0.65; 15.6mm / 23.9mm also = approx 0.65, so you are using only 65% of the pixels in width and height. 65% of 7360 x 4912 = 4784 x 3192 = 15.2MP.

Edit: As I was doing my calculations and writing my post, I see you listed a large selection of full-frame lens available to you, so this could sway things towards the K1. :-)
Forum: Pentax K-70 08-18-2020, 11:27 AM  
K-70 Battery Door
Posted By cdw2000
Replies: 15
Views: 625
The camera is only two weeks old, but I will look at the gasket to see if it needs cleaning.
Forum: Pentax K-70 08-18-2020, 09:54 AM  
K-70 Battery Door
Posted By cdw2000
Replies: 15
Views: 625
The lever itself moves easily, but after using the Panasonic Lumix FZ300, I'm used to the door being spring loaded and popping open once the lever is pushed.
Forum: Pentax K-70 08-18-2020, 09:08 AM  
K-70 Battery Door
Posted By cdw2000
Replies: 15
Views: 625
Hi fellow D-70 users, I have a question - Do you find the battery door on your K-70 hard to open? Mine doesn't really spring open when I push the lever and I find I have to use a tool like a guitar pick to get it to pop open. Is this a defect on my camera or is this pretty standard?
Forum: Mini-Challenges, Games, and Photo Stories 08-16-2020, 02:02 PM  
Thematic PP Challenge #341
Posted By cdw2000
Replies: 11
Views: 724
Here's my entry. First time, so I don't know how far people like to go with PP for these contests :-)
Forum: Sold Items 08-15-2020, 05:57 AM  
For Sale - Sold: Pentax primes, Sigma and Tamron zooms
Posted By cdw2000
Replies: 8
Views: 1,925
PM sent on the Sigma 10-20mm F3.5
Forum: Pentax K-70 08-14-2020, 06:47 AM  
Solenoid in Pentax K-70
Posted By cdw2000
Replies: 67
Views: 8,323
Last night, I disassembled my broken ZX-50 body and harvested the shutter solenoid out of it. It does appear to be the same form-factor as the solenoid in the K-70, except with the white PTFE coil form and well-machined and polished actuator plunger. It is now in an old 35mm film container labeled "Pentax Solenoid" for safe keeping should my K-70 ever develop the shutter-block issue.
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