This seems to be a simple question but always seems to stump people. The F stop is only part of a combination that invocles shutter speed, film speed and the F stop or appeture opening in the lenses to acheive that perfect exposure. I found a answer to the question that seems to be pretty simple that I thought I would share as I have been asked this a few times.
This is part of the explaination from http://prophotoman.tripod.com/fstop.html
"F," I learned, could actually mean "fraction". The "4" in "f4" actually stood for 1/4. The diameter of the aperature at f4 would be 1/4th the focal length of the lens. A 50mm lens set to f4 would have an aperature diameter of 12.5mm (50mm X 1/4). A 1000 lens set at F22 would have an aperature diameter of 45mm (1000mm X 1/22). So with this information, you could derive the formula: F-Stop = A/FL; where A is the diameter of the aperature, FL is the focal length of the lens, and F-stop is expressed in it's fraction form.
For dinner today I had a new recipe that some freinds sent from Reader Digest by Micheal Ch. for pasta wiht zuchini and garlic sauce. The recipe was good though I think I will change it some the next time I make it.
saute 1 tbs of minced garlic in 1/4 cup of oil while cooking around 3/4lb pasta. When garlic is slightly browned add 1/2 tsp red pepper, 3 tbls fresh basil and 2 of parsley freshly chopped and then remove from heat. thinly juilliane the zuchini. Place cooked pasta in serving dish (reserving about 1/2c of the cooking water), Toss with zuchini and oil. Add 1/2 c parmissian cheese, 1/4 c olive oil (I omited the additional oil) and enough cooking water to form sauce. Salt and pepper to taste
My wife found it a bit spicy, but I did about 1 tsp of the red pepper.
I think I would reduce the red pepper a bit, and maybe add some pancetta that had been crisped when servings. Also sprinkle with some parsley. Served with garlic bread it is excellent.
This was a nice light and refreshing meal. Some brocolli florettes would also be really good in this.
Sunday, August 2, 2009
Saturday, August 1, 2009
First Day
Okay so after having followed a number of blogs and such I have decide to see if I like putting thoughts out in the wide word. My thoughts tend to quickly change directions so we will see if we keep at it. This blog may contain my views on politics to recipes to photography to whatever else crosses my mind as I sit in front of the computer.
I have also sent this to my dad as something he may want to do with the news articles that have been published locally on his conversion of an old Mazda truck to fully electric. Article was published in the Mooresville Tribune and Statesville Record and Landmark. I copied and pasted it on the family website that I maintain in my spare time. (http://www.weberclan.com).
So couple of things bouncing around today. Have someone trying to talk me into doing a small business cooking a few meals for them that they can then serve to their family during the week. It could be fun, just a question of time. My wife and I continue to work on improving our photography and picking up small jobs on the side. That combined with my normal job, bike riding, hiking and other activities makes for little spare time.
The other thing I have been bouncing around for a few years now is policitcs. I like the majority of the people I talk to are not happy with most of the people in office at any level. You have to wonder sometimes exactly where these people come from when you hear the ideas the are pushing. The thing is though that I feel if I am going to complain about how others are doing it, then I need to be willing to try and do it better myself. As with many things I have found over the years, there are 2 sides to it. Alot of the compormises that seem to go through may be the only way to get anything to move in the policial world where it is now more important to further your parties agenda then to represent the people who elected you. Anyways a few years back I started to look into running for the town board where I lived. About that time is also the time my wife and I decide to move, so the idea fell to the wayside.
Some of the other things running around in there is the desire I have had since high school (god over 20 years ago now) to write a book. I love reading books and will generally read 2~5 a month.
Like I said rambling thoughts. May have to rethink this whole idea. maybe just blog about cooking or photography as it may be to disjointed otherwise
I have also sent this to my dad as something he may want to do with the news articles that have been published locally on his conversion of an old Mazda truck to fully electric. Article was published in the Mooresville Tribune and Statesville Record and Landmark. I copied and pasted it on the family website that I maintain in my spare time. (http://www.weberclan.com).
So couple of things bouncing around today. Have someone trying to talk me into doing a small business cooking a few meals for them that they can then serve to their family during the week. It could be fun, just a question of time. My wife and I continue to work on improving our photography and picking up small jobs on the side. That combined with my normal job, bike riding, hiking and other activities makes for little spare time.
The other thing I have been bouncing around for a few years now is policitcs. I like the majority of the people I talk to are not happy with most of the people in office at any level. You have to wonder sometimes exactly where these people come from when you hear the ideas the are pushing. The thing is though that I feel if I am going to complain about how others are doing it, then I need to be willing to try and do it better myself. As with many things I have found over the years, there are 2 sides to it. Alot of the compormises that seem to go through may be the only way to get anything to move in the policial world where it is now more important to further your parties agenda then to represent the people who elected you. Anyways a few years back I started to look into running for the town board where I lived. About that time is also the time my wife and I decide to move, so the idea fell to the wayside.
Some of the other things running around in there is the desire I have had since high school (god over 20 years ago now) to write a book. I love reading books and will generally read 2~5 a month.
Like I said rambling thoughts. May have to rethink this whole idea. maybe just blog about cooking or photography as it may be to disjointed otherwise
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