File:Door County Trip - June 2013 - Sturgeon Bay Ship Canal North Pierhead Light (9198411995).jpg
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[edit]DescriptionDoor County Trip - June 2013 - Sturgeon Bay Ship Canal North Pierhead Light (9198411995).jpg |
There are quite a few lighthouses around Door County, WI, and this is the first one we visited on our trip. It was a gloomy, cloudy morning, but the bright red paint made this lighthouse stand out. It was surprisingly quiet here. Most lighthouses have a ton of visitors, but at the time we visited this one, we were the only visitors. It is situated on the end of a breakwater that protects the entrance to the Sturgeon Bay Ship Canal. Construction of the existing tower was completed in 1903. The light tower is made out of cast iron and the fog signal building is made from steel sheets. The whole structure is situated on a concrete foundation at the end of the pier. The lantern originally housed a 6th order fresnel lens. That lens was removed at some point and replaced with a modern red 300mm acrylic optic. Three fog signals have been used here as well. The original signal was a steam whistle. In the 1920s it was replaced with a diaphone type fog signal. The current signal is a small electric horn that can be seen sitting just inside the railing of the gallery. It is the round cylinder about the size of a trash can. One last tidbit is the elevated catwalk that leads up to the lighthouse. Many pier lighthouses had catwalks such as this. They are there to allow the keeper to walk to the lighthouse even when high waves are sweeping over the pier. This photo is a closeup of the lantern. Note the modern optic inside the lantern. Also note the fog signal outside on the gallery to the right of the lantern -- between the lantern and the gallery railing. For more info, visit these websites: www.us-lighthouses.com/displaypage.php?LightID=330 www.cr.nps.gov/maritime/light/sturpier.htm www.lighthousefriends.com/light.asp?ID=256 en.wikipedia.org/wiki/Sturgeon_Bay_Canal_North_Pierhead_L... terrypepper.com/lights/michigan/sturgeonpier/sturgeonpier... |
Date | |
Source | Door County Trip - June 2013 - Sturgeon Bay Ship Canal North Pierhead Light |
Author | Pete Markham from Loretto, USA |
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This image was originally posted to Flickr by pmarkham at https://flickr.com/photos/9197427@N06/9198411995. It was reviewed on 28 March 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
28 March 2016
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current | 11:02, 28 March 2016 | ![]() | 1,935 × 2,903 (896 KB) | Geo Swan (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera model | NIKON D7000 |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/13 |
ISO speed rating | 500 |
Date and time of data generation | 11:06, 29 June 2013 |
Lens focal length | 200 mm |
Copyright holder |
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Pixel composition | Color Filter Array |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Aperture 3.4.5 |
File change date and time | 11:06, 29 June 2013 |
Exposure Program | Aperture priority |
Date and time of digitizing | 11:06, 29 June 2013 |
APEX exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 10 |
DateTimeOriginal subseconds | 10 |
DateTimeDigitized subseconds | 10 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
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Focal length in 35 mm film | 300 mm |
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Serial number of camera | 3119879 |
Rating (out of 5) | 5 |
Country shown | USA |
Province or state shown | WI |
IIM version | 2 |