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Forum: Repairs and Warranty Service
10-23-2021, 09:49 AM
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While we are on the subject of water damage, here is the last photo my weather sealed Pentax K-30 will ever take. You'd think I'd taken it under Niagara Fa...
Oh, wait.
My wife says I play too hard with my toys.
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Forum: Monthly Photo Contests
05-03-2017, 08:00 AM
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The New River Gorge Bridge, West Virginia, with a 1700 ft arch. was for many years the world's longest single-span arch bridge. It now ranks 3rd. You can repel from it once a year during "Bridge Day," but bungee jumping has been banned since 1993. The catwalk under the bridge is open for guided tours. At the bottom of the gorge is the old one lane bridge.
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Forum: Post Your Photos!
04-30-2016, 05:43 PM
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Trillium erectum -- red trillium, wake-robin, purple trillium, Beth root, or stinking Benjamin. Its a perennial, but although the plant shows up in early spring on the forest floor of Eastern U.S. deciduous forests, it vanishes by mid summer when the canopy has filled out. The flower is pollinated by flies and has a smell like rotten meat.
This was taken with the Pentax 100mm macro lens and an AF 200FG fill flash covered with a light orange gel.
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Forum: Weekly Photo Challenges
03-11-2016, 01:43 PM
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Lazy man's light painting. Just park the camera on a tripod and let the cars go by.
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Forum: Post Your Photos!
03-06-2016, 12:24 PM
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Forum: Post Your Photos!
03-01-2016, 06:47 AM
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For those outside the U.S., our two major political parties are in the midst of choosing who they will run for President. Candidates are ultimately picked by party conventions whose delegates are chosen either by a series of primary elections or state party caucuses. Each state determines when their primary will be held with states that have early primaries having a larger effect on who the candidates will be. "Super Tuesday," is the label given to a group of 12 states that hold primaries on March 1st that determine about a quarter of the convention delegates for each party.
This year the major party candidates have about as wide a range of political views as we have ever seen, ranging from Republican Donald Trump, a real estate billionaire and reality TV star who seems to be running just to the right of Benito Mussolini, all the way to Democratic candidate Bernie Sanders, a former Congressman, city mayor, and now U.S. Senator from Vermont who wants to refashion the U.S. economy into something resembling a Scandinavian welfare state.
This photo was taken in Xenia, Ohio, a small town just East of Dayton, Ohio. I posted this under the "Streets" category, but I was tempted to post it under "Sports."
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Forum: General Photography
02-27-2016, 08:32 AM
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Here is the link to the 1st class in the MSU series: https://www.coursera.org/learn/exposure-photography
I guess they have a new session starting March 7. You will need to sign up for Coursera and then enroll in the class. The no-cost enrollment means that you won't get the critique, be able to participate in the capstone, or get the fancy certificate, but you can view all the lectures.
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Forum: General Photography
02-27-2016, 07:32 AM
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Forum: General Photography
02-24-2016, 04:44 PM
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It is an old deprecated version. Management decided it must be rewritten in Java.
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Forum: General Photography
02-24-2016, 04:29 PM
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For those interested in a free education, Coursera -- https://www.coursera.org/ -- has several online university level photography classes:
1) https://www.coursera.org/specializations/photography-basics -- A 5 course, freshman level intro sequence from Michigan State University. Course registration required by Feb 27. Search the catalog for the individual classes and just register for each individually if you don't want to pay for the certificate.
2) https://www.coursera.org/learn/photography -- Seeing Through Photographs, a self paced course from The Museum of Modern Art, register and take anytime.
3) https://www.coursera.org/course/vicphoto -- Photography: A Victorian Sensation from The University of Edinburgh. No current sessions, add it to your watch list.
4) https://www.coursera.org/course/lyingcamera -- The Camera Never Lies from The University of London. Covers 20th century photojournalism. No current sessions, add it to your watch list.
5) https://www.coursera.org/course/compphoto -- Computational Photography from The Georgia Institute of Technology. No current sessions, add it to your watch list.
I've taken several classes via Coursera, mostly fillers from Ivy League Schools in my undergrad major that weren't offered at my school years ago. The quality has been pretty good overall.
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Forum: Weekly Photo Challenges
02-20-2016, 07:31 AM
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Forum: Post Your Photos!
02-17-2016, 01:56 PM
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Tip: There is an ongoing argument over whether UV filters and such are really needed as lens protectors. I'm not going to weigh in on the general case, but in the specific case of taking a picture while leaning out the window of a train pulled by a steam engine, I'd highly recommend using one. A pair of cheap glasses to protect your wetware lenses are useful in this case, too.
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Forum: Post Your Photos!
02-11-2016, 09:58 AM
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My family and I were touring The Wilds -- https://thewilds.columbuszoo.org/home, a private, non-profit conservation center located on nearly 10,000 acres of reclaimed mine land in rural southeastern Ohio. In one of the aviaries, I was snapping away at the kids as they fed the birds when the youngest pointed at my feet...
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Forum: Post Your Photos!
02-04-2016, 01:10 PM
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Yes, I believe that is an Alpha III. We are are starting slow. We are limited in both time and space during lunch and neither of us have launched rockets in many years. I've recently found a company that sells a U.S. quarter sized mini version of the Arduino w/ stackable boards for USB, SD card, a combo 3-axis accelerometer, 3-axis gyro and 3-axis compass, and a barometer/altimeter. The goal is to build an instrument package, make a movie, and superimpose the graphs of the data on the movie. We'd like to add a camera to the package and get both the from-the-ground and from-the-rocket vantage points. But I haven't tried the movie capabilities of the K-30 yet, so we have a fun learning curve ahead.
https://www.tiny-circuits.com/ |
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Forum: Post Your Photos!
02-04-2016, 12:32 PM
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A friend and I have been using our Monday lunch hour to fire off model rockets in a park near the office. Mostly one of two things happens when trying to photograph a launch. Either the rocket just sits on the pad and fails to fire so that I have six or eight photos of a rocket on the pad or I don't push the shutter quite in sync with the launch button and capture only a series of smoke trails. But now and then I do manage to get some shots that capture the experience. In the first of these, the rocket is ready to fire. In the second, we have ignition with both the launch wire and the cap that holds the wire in the engine being blown out. In the third, we are on our way. By the time the camera has fired a 4th time, all that is left is a smoke trail.
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Forum: Weekly Photo Challenges
02-01-2016, 11:16 AM
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On standby in the event that other photos are toxic.
Local FD/PD open house last October. K-30, 24mm, f/5, 1/200 sec, ISO-200.
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Forum: Weekly Photo Challenges
01-31-2016, 04:05 PM
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Scanned color slide. K-1000, 50mm.
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Forum: Weekly Photo Challenges
01-31-2016, 01:05 PM
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2015 pretty much felt like I was going in circles, getting nowhere.
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Forum: Troubleshooting and Beginner Help
09-30-2012, 01:52 PM
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The card is an SDXC formatted using the camera's built-in utility. Downloading, compiling, and installing the exFAT code from exfat - Free exFAT file system implementation - Google Project Hosting solved the problem. It seems awfully slow, but it does allow me to copy the files off the camera.
And for those who might need it in the future (e.g. myself), the mount cmd is:
mount -t exfat -O ro /dev/sdf1 /media
Thanks for everyone's help!
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Forum: Troubleshooting and Beginner Help
09-30-2012, 11:03 AM
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I'm trying to mount my brand spankin' new K-30 on Linux via the USB cable. Centos 6.3.
lsusb -v | grep -i pentax
finds the USB just fine,
fdisk -l output ...
Disk /dev/sdf: 64.6 GB, 64591233536 bytes
255 heads, 63 sectors/track, 7852 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdf1 3 7853 63060992 7 HPFS/NTFS
But ...
[root@malthus Downloads]# mount -t ntfs-3g /dev/sdf1 /media
NTFS signature is missing.
Failed to mount '/dev/sdf1': Invalid argument
The device '/dev/sdf1' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?
The camera connects just fine to the Windows laptop, but that isn't where I do most of my work. The google isn't being helpful today. Any ideas?
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