› Forums › Knowledge Base › Knowledge Base Articles › 1187 – CREATING FIELD OF VIEW INDICATORS FOR BINOCULARS
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August 23, 2005 at 2:00 pm #88325
adminParticipantSoftware Bisque Knowledge Base Article – 1187
CREATING A FIELD OF VIEW INDICATOR FOR BINOCULARS
ISSUE
How can I use TheSky6 to create a field of view indicator for my binoculars?
RESOLUTION
TheSky6 can be used to create custom field of view indicators for virtually any optical configuration, including binoculars.
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Determine the field of view of the binoculars. This value is normally included with the product documentation, or is available on the manufacturer’s web site. In this example, we’ll use a 4 degree field of view.
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Click View | Field of View Indicators to display the Field of View Indicators dialog box. Normally, FOVIs are based on a combination of a telescope and either an eyepiece or CCD detector. So, we’ll first define a “dummy” telescope and “dummy” eyepiece to create a basic field of view indicator, and then edit the properties of the FOVI specifically for binoculars.
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Click the Telescopes tab and then click Create.
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On the Create/Edit Telescope dialog box, enter Binocular in the description text box and then click OK.
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Click the Eyepieces tab and then click Create.
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On the Create/Edit Eyepiece dialog box, enter Binocular Eyepiece in the description text box and then click OK.
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Click the Create FOVIs tab.
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Click the My Eyepiece option and then select Binocular Eyepiece from the list.
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Select Binocular from the telescope list and then click Add My FOVI.
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Click the My FOVIs tab, and then select Binocular + Binocular Eyepiece from the list and then click Edit to display the Create/Edit Detector Geometry dialog box.
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In the Edit text box, edit the description to read My Binoculars (or other) and then select Element 1 in the Elements list box.
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Click Circle in the Shape group, and then enter 240 (60 minutes/degree * 4 degrees for this example) in the X and Y Size text box.
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Select the Binocular on the My FOVI list and then click the On option.
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Click OK.
The binocular field of view indicator is now displayed.
To convert your binocular’s field of view from degrees to minutes, use this simple equation:
Field of view in arcminutes =
Field of view in degrees x 60 minutes/degree APPLIES TO
TheSky6, all Editions.
KEYWORDS
SBKB
Last Reviewed: 03/25/2005
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