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1937 Coronation Hall on the former NR1 (Midland Hwy) alignment through Bridgewater, Tasmania. This section now named "Old Main Road".
Deserter GSS in Pok shop about 1975. This shows the aluminum suspension bridge I made and the links. I also made a new rear frame extension to pick up the rear transaxel mount. The upper mount of the shock/coil unit was modified for better alignment.
With a laser mounted in the center of the secondary, we can bounce it off the center of the primary (with a special plug inserted for this purpose) to see both how well the secondary is pointed at the primary, as well as how co-linear they are. This is important to make sure the telescope is in focus.
Picked up a used 6" reflector telescope that needs alignment often. Came with a laser "eyepiece" and instructions.
Part of the Alignements de Lampouy in Brittany, Northern France. Again, these alignments are a few thousand years old. It's not known what they signified, though my guess is something about the sun, the moon and the seasons. It reminded me so much of Kilmarten, Scotland. These were visible from the road. The still-standing menhirs nearby were not visible from the road, and we saw them only when we were looking at these. Read my travelogue for trip details. September 2007.
Former Pacific Hwy alignment through Murwillumbah bypassed with the opening of the Chinderah - Yelgun deviation in 2002.
The NSW Main Roads Department had to build this "cow bridge" when a short deviation was made through this cutting, as the new road bisected a dairy farmers access. It looks like it is still used to herd the cows to and fro.
"When the moon is in the Seventh House
And Jupiter aligns with Mars
Then peace will guide the planets
And love will steer the stars"
A very remarkable planetary/galactic configuration occurs on December 23rd and 24th 2007.
When putting back together I notived the alignment was creating shadows. In this picture, I tried to highlight what a bad alignment looks like. A shadow midway in each sectional.
Workforce Alignment workshop "Building strong partnerships to support Wisconsin’s workforce need." A conversation hosted by UW Oshkosh, Department of Workforce Development, Fox Valley Tech and WAICU.
The CLCC recently completed and approved our first science planning document titled, CLCC Science Strategy: Mission Alignment, as an initial step toward identifying shared conservation priorities. While the document met its stated objectives, Steering Committee (SC) members and outside reviewers have suggested the next step is to develop a framework for implementation. To carry out this step, SC members approved the use of a process called Structured Decision-Making (SDM). SDM is a formal, prescriptive, values-based method for analyzing a decision by breaking the decision into components. The specific process used in the workshop is called “PrOACT,” which refers to the decision components: Problem, Objectives, Alternatives, Consequences, and Tradeoffs. For the purposes of the CLCC, SDM provides a tool for achieving transparent, purposeful, and collaborative co-production of conservation—specifically, multi-partner landscape conservation design (LCD) for the Caribbean region.
To begin working through PrOACT the SC spent four days in El Yunque National Forest with decision support coaches Angela Romero and Mitch Aid (US FWS), Peter Freeman (USVI Independent Consulant) and Wanda Crespo (Estudio Technicos, Inc).
The objectives of this face to face meeting were to (1) introduce participating SC members to the SDM process so that they are comfortable with the process, its application, and its usefulness; (2) Frame “The Problem” SC members are jointly addressing (i.e., Step 1 of PrOACT); and (3) Develop a set of actionable “Objectives” based on CLCC shared values and priorities (i.e., Step 2 of PrOACT).
Steering Committee members agreed upon the following Decision Statement:
“The Caribbean LCC Steering Committee will develop and implement coordinated, efficient, and effective landscape-scale conservation design and strategy to conserve, restore and sustain ecological and cultural resources and services and human well-being in the Caribbean inside and outside of CLCC jurisdictional boundaries. The CLCC recognizes the following constraints and uncertainties: political and social environments, finances, multiple decision making authorities, diverse values, competing priorities, and climatic and ecological dynamics.”
The CLCC Steering Committee recognized themselves as the focal decision-makers and the organizations they represent as the implementers. The decision timeframe includes a 5-10 year planning horizon, 10-20 year implementation period (to institutionalize LCD), and the impacts of decisions will range from the present to 60 years to quasi-infinite. The group also agreed that the region of interest is the “terrestrial and marine components within the EEZ of the U.S. Caribbean, and Navassa Island, with consideration of relevant drivers, policies and impacts originating in the wider Caribbean region. The wider Caribbean is defined by UNEP.”
The Steering Committee also agreed upon four Fundamental Objectives, which will frame all future collaborative efforts of the CLCC (no particular order):
Maximize use of available operational resources
Maximize public satisfaction and well-being
Maximize the structure and function of aquatic and terrestrial resources
Maximize the integrity of cultural and historic resources
The Steering Committee agreed to create Tiger Teams, or subteams with a specific short-term task, to flesh out specific objectives and indicators for each of the Fundamental objectives.
Questions on this science planning process should be directed to CLCC Science Coordinator Brent Murry.
Aligning the head on the floppy disk drive using an old Amstrad laptop and a test unit called a 'Microtest' This uses the normal analogue alignment disk. Note the special alignment tool screwed into the stepper motor bracket at the rear of the disk drive (left side in the photo)
I'm trying to find out the following:
* does optical distortion of a lens at a given focal length change with aperture.
I did this by taken 2 pictures at 2 different apertures and identical focal length.
I overlayed them in gimp and set the layer type to subtractive. so what you see is pixel A - pixel B. i.e. the greater the difference, the more luminance and color. Less difference the more black.
However, I forgot that it would be a good idea to pick a focal length that actually shows some visible distortion so the effects can be more easily seen.
As it stands, this lens is pretty ok at 31 mm.
I do notice that it is not possible to align the images entirely. In the image, you can see that I aligned both layers so that around the 92cm mark, the millimetre marks are most black and with the least halo like edges.
The green edges which you can notice at the decimeter marks (the boxes) are on the right side in the left side of the image, and vice versa on the left side of the decimeter mark on the right side of the image. This to me seems to indicate some sort of a scaling issue, i.e. likely caused by zoom lens creep.
I've prepared another alignment this time properly done on the left side. the difference is about 6 pixels. Relatively speaking: +/- 0.05% as measured from the center.
What Does show though is that there is no barrel/pincushion distortion difference between the f/4 image and the f/22 image. Sadly, looking up the measured distortion for this lens, dxomark.com reports 0% distortion around the 30mm focal length:
www.dxomark.com/index.php/Lenses/Camera-Lens-Database/Can...
So even if there was an amplification effect of aperture on distortion, this experiment fails to show it due to hitting the perfect distortion free focal length for this length.
Another round at 24mm is needed I'm afraid, since the lens doesn't fare so well with regards to distortion.