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Front row L to R: High School medalists—Silver-Gabriel Coto, Atlantic Technical College (Fla.); Gold-William Owens, Morris Knolls High School (NJ); and Bronze-Mason Clouse, Millstream Career Center (Ohio). Back row L to R: College/ postsecondary medalists—Silver-Jonathan Pizzolatto, Pikes Peak Community College (Co.); Gold-Wyatt Brodgen, Butte College (Calif.; and Bronze-Nick Fallon, York County Community College (Maine).
Let’s get a little technical for a moment...
Finally, after many months of frustrating times without any neutral density filters, I decided to purchase what I thought would be a good investment. I bought the ‘Tiffen GND 0.6 glass filter’ and the ‘B+W 110 ND 3.0 filter’ (basically a big stopper in screw-on filter form just for kicks). After a couple of experiences using these filters together and by themselves, I will most likely be returning both of them. I knew that screw in filters were not ideal, but due to the price and size of other filters (LEE, Singhray, ext…) I thought it would be a better choice for my needs (mainly backpacking and hiking where every ounce counts). Here were my major issues:
Vignetting – Both filters put a huge amount of vignetting on all 4 corners of my Nikkor 24-70 lens. So much that it is not a ‘quick fix’ in PS.
Focus – In order to use the B+W 110, you must focus the lens on your subject and then screw the filter on the lens. Once the filter is on, you can’t see a thing through the viewfinder. If you want to change the view or your subject moves, you have to unscrew the filter, refocus the lens, then screw the filter back on. This doesn’t sound like a pain but trust me, this is a major pain!
GND Control- With the graduated neutral density filter I bought, as with any screw-on graduated neutral density filter, what you see is what you get. There is no way to shift this filter up or down, like LEE filters, and you are forced to use this filter as is. This puts a damper on your images as the horizon will most likely always be in the center.
After all is said and done, maybe it's worth saving up for the expensive filters… Any other ideas out there?
Thanks for looking!
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Curious yellow jacket - while I was trying to get him framed with my macro lens he walked over and stared right into the lens. Taken at Springton Manor County Park
Most of the WBU-ISOG Forum attendees are broadcast engineers, so we had arranged a tour of the Zagreb Technical Museum. It's basically a place that no engineer couldn't enjoy!
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National Museum of Nuclear Science & History
(excessive detail images ahoy)
LGM-118A Peacekeeper
The Peacekeeper served as the United States Air Force's most powerful, accurate, and technologically advanced Intercontinental Ballistic Missile (ICBM) deterrent. Conceived to replace the Minuteman ICBMs, its development began in the early 1970s under the name "Missile, Experimental," or MX. Later, it received the official name "Peacekeeper." The first test flight took place in 1983 at Vandenberg AFB, California. Peacekeepers became operational in 1986.
Constructed with an airframe made of a Kevlar epoxy composite, the Peacekeeper was much lighter than previous ICBMs, and it could carry more warheads. When combined with new Multiple Independently Targeted Re-entry Vehicles (MIRV) technology, one Peacekeeper could accurately deliver a number of nuclear warheads on different targets at the same time. A four-stage missile, Peacekeeper was the first Air Force ICBM to use the "cold launch" technique similar to the system used to launch missiles from submarines.
The Strategic Arms Reduction Treaty (START) II, signed in 1993 with Russia, removed all multiple-warhead ICBMs. As a result of the changed strategic world situation and START II, the United States deactivated all 50 LGM-118As between 2003 and 2005. Some Peacekeepers were eventually used as satellite launch vehicles.
TECHNICAL NOTES:
Payload: 10 Avco MK-21 re-entry vehicles
Maximum speed: Approx. 15,000 mph
Range: Greater than 6,000 miles
Guidance: Inertial
Height: 71 feet
Weight: 195,000 lbs
Stockpiled: 1985-2005
Source: United States Air Force
This building looks really cool. It was a present to the polish people from the Soviet Union.
The museum itself was pretty sad. I have more technology in my pockets than they had in there. Of course I'm a huge nerd, so looking at gigantic computers with 256 KB RAM was pretty fun.
Technical standards camp hosted by GDS at Aviation House on Thursday 18 February 2016 gdstechnology.blog.gov.uk/2016/01/28/technical-standards-...
There is a 45mm f/1.8 lens from Olympus, supposed to be tack sharp and great for portraits and general shooting that one can do with a moderate telephoto, as it has a 90mm field of view in 35mm camera terms. So today I took my Panasonic 45-175mm lens to the conservatory and kept it almost always at the short end, and will go over the shots in the near future. But they are mostly flowers and such, and if I got the lens it woud be for people. Which brings me to these two. They were wandering around enjoying the place, and he took her picture in some places that were much more scenic than this, using his iphone. So I took the phone and shot them with it so they could both be in the shots, and a bit later asked if they would be my test humans and took these two shots. Which are not lined up well or anything, and are not as creamy of background as the portrait lens would be, but gives me an idea how it would be to shoot people at that focal length.
The 45mm 1.8 is one of two lenses folks think are must have for the system. The other is the Panasonic 20mm f/1.7 pancake lens. More than one person has said they would rather have a cheaper earlier generation camera and both lenses than the most modern one if it meant they could only afford one lens.
If you look at the cat shot next to this, that was shot with a differnent zoom at 19mm, so that is pretty close to the other "must have" lens. Both with M4/3's. Cat Olympus lens and camera, people with Panasonic stuff. Such fun.