Desert Star FrogEye FC-2 Operator's Manual
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Contents
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Page 63. Converting Image FormatsImages acquired with FrogEye™ in Raw or BTC formats can easily beconverted to other common formats using the imgConvert softwareincluded with the purchase of FrogEye™. The control panel forimgConvert is shown below.Input controls are on the left side of the window and output controls areon the right side. Add files or folders to the input list using the buttonsbelow the list (check the Recurse box if you want it to convert files insub-folders), then choose the output format and location before hittingthe Convert button.4. Lens and Filter SelectionLens SelectionLens and filter selection is a critical consideration for target clarity, operator’s mobility and special requirements such asdetecting camouflage. FrogEye™ FC-2 integrates two lens mounts:1. The Canon EF mount supports a large variety of lenses from Canon and other manufacturers. FrogEye™ FLH serieslens hoods are available to seal these lenses against water and dust.2. The FrogEye™ mount supports special-capability FrogEye™ lenses. FrogEye™ lenses are water and dust proof.The FL-400 lens for example is a very light-weight, collapsible and underwater transportable design for long-standoffwork in rough environments and beach insertion missions.Lens Length/Weight F-StopPixelresolutionfor targetat 1kmHorizontal Field ofView with Color(daytime) SensorHorizontal Field ofView with SPD(night vision)SensorApplication UnderwatercompatibilityCanon EF14mm62 mm, 330g 2.8 0.54 m 30 deg(22 deg in water)20 deg(15 deg in water)Wide field forunderwater useWith FLH-76lens hoodSigma15mm69 mm, 230g 2.8 0.50 m 27deg(21 deg in water)18 deg(14 deg in water)Wide field forunderwater useWith FLH-76lens hoodCanon EF28mm-105mm75mm, 375 g 3.5-4.50.26 –0.07 m15 – 4.1 deg 10 – 2.6 deg General purposezoom lensWith FLH-94lens hoodCanon EF50mm50mm, 290g 1.4 0.15 m 8.5 deg 5.6 deg High speed lens fornight vision use.With lenshoodCanon EF400mm IS232mm, 1940g 4 0.019 m 1.1 deg 0.7 deg Long-standoff withimage stabilizer.Detects people atup to 5 km, cars upto 15 km. Imagestabilized.NoFrogEye™FL-400203mm store380mmoperate800g5.3 0.019 m 1.1 deg 0.7 deg Long-standoff inroughenvironments.Detects people atup to 5 km, cars upto 15 km.Transportunderwaterwithout hoodLong-Standoff Reconnaissance:Use sufficient focal length to detect or recognize the target (see table). However, operating distance is often limited byatmospheric distortions. Try to gain a high vantage point to minimize atmospheric distortions. |
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