Nature Notes

April 19, 2009

Hopkin’s Covered Bridge, Vermont

Filed under: Covered Bridge,Vermont — Tags: , — Harold Stiver @ 7:00 am
Hopkin's Covered Bridge, Vermont

Hopkin’s Covered Bridge, Vermont

When Built: 1875

Builders: Sheldon & Savannard Jewett

Description: Hopkins Covered Bridge is an 80 foot span crossing the Trout River. It is on Hopkins Bridge Road off of Route 118.

Hopkin's Covered Bridge, Vermont Hopkin's Covered Bridge, Vermont

This is part of a series on Vermont’s Covered Bridges. You can find an index here.

 

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April 17, 2009

Hutchins Covered Bridge, Vermont

Filed under: Covered Bridge,Vermont — Tags: , — Harold Stiver @ 7:00 am
Hutchin's Covered Bridge, Vermont

Hutchin’s Covered Bridge, Vermont


When Built:
1883

Builders: Sheldon and Savannard Jewett

Description: Located on Hutchins Road off of Route 118, just south of Montgomery, it is a 77 foot bridge which spans the Trout Brook.

Hutchin's Covered Bridge, Vermont Hutchin's Covered Bridge, Vermont

This is part of a series on Vermont’s Covered Bridges. You can find an index here.

 

All Images are Available for Licensing at Singular Video&Pix

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April 16, 2009

Removing Dust spots from Canon 5d2 Video

Filed under: Photoshop Tutorial,Processing Tips,Video — Harold Stiver @ 7:00 am

One of the downsides of DSLR cameras is that the sensors seem to be magnets for dust, which can sneak aboard when you are changing lens. This is a problem when using the new video mode available with cameras like the Canon 5d MarkII. Of course, best practice is keeping everything as clean as possible.

However, if you finally caught up with an Ivory-billed Woodpecker and found dust spots on the video, here is a method of removing them using Photoshop, Lightroom and a free program called VirtualDub.

The first step is to open the MOV file in Photoshop (File>>Import>>Video frames to Layers)

You will see that Photoshop will only open 500 frames at a time due to the resource intensive nature of this operation. If you don’t need 500 layers, do yourself a favor and use the import dialogue to reduce the number of frames imported.

One they have been imported, you want to export them as individual files. You use (Files>>Scripts>>Export Layers to Files). This operation like the preceding one takes a long time. You may want to close any other programs to let your computer work full time on them.

We now import these files into Lightroom in order to work on the dust removal. It can’t be done in Photoshop as a batch as Photoshop will not record cloning or healing tool operation in an action.

Once the files are imported to Lightroom, we go to the Develop module and use the Heal tool to rid ourselves of the dust spots on one of the images. We then Select all the files and hit the Sync button on the bottom of the right hand side menu. We check “Spot Removal” in the dialogue box and hit OK. Once the files are processed we return to the Library menu and Export them to a new directory.

It remains to compile the files into video frames. I use a wonderful free program for this called VirtualDub. Once I have compiled the video, I can add the audio track from the original file.

The video above shows 5 seconds of the original and then the cleaned version.

 

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April 15, 2009

Second Covered Bridge, Vermont

Filed under: Covered Bridge,Vermont — Tags: , — Harold Stiver @ 7:00 am
Second Covered Bridge, Vermont

Second Covered Bridge, Vermont

When Built: 1872

Builders: Builder Unknown

Description: Also known as the Lower Cox Brook or Newell Bridge, it is a 57 foot structure spanning the Cox Brook. It is found on Cox Brook Road, off Route 12 near Northfield Falls. It is part of a three bridge group  which includes Station Bridge and Third Bridge.

This is part of a series on Vermont’s Covered Bridges. You can find an index here.


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April 14, 2009

April 7, 2009

Canon 5D2 movies with 1400mm of glass

Filed under: Equipment,Video — Tags: , — Harold Stiver @ 7:00 am

One of the criticisms of the Canon 5D2 I hear is that you should just get a regular camcorder if you want to make movies.

This overlooks the fact that you can’t get a setup to use long telephoto lenses except without a huge budget. For example the cost of a Red camera body ($17,500), 300mm lens ($5,950),Red LCD ($1,7900)…well you get the picture.

This video uses a 500mm lens with stacked 1.4 and 2X Teleconverters,….1400mm in all. After 10 seconds I did a 50% crop in Sony Vegas, giving an effective 2800mm of lens.

The footage may be a bit soft but it had a lot of air to shoot through and is therefore not unexpected.

This is to me, the strongest point in favor of this camera body, the ability to make movies with a wide assortment of lens, not just telephoto, but wide angle, fish-eye, macro, and tilt/shift.

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