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Dimensions (without cap and screw): ø62 x 150mm Weight: Approx. 435g |
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3.5x zoom for super telephoto shooting. When attached to EDG Fieldscope 85/85-A, the focal length ranges from 500 to 1,750mm* and when attached to EDG Fieldscope 65/65-A, the focal length ranges from 400 to 1,400mm*. * FX-format |
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Available exposure modes: Aperture-Priority Auto and Metered Manual Available exposure metering: Center-weighted metering |
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Multilayer coating is applied to all lens elements for brighter optics. |
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Attaches directly to an EDG Fieldscope and the F mount on a Nikon Digital SLR camera. |
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Because the optical system characteristics differ from those of ordinary interchangeable lenses, the exposure level may vary depending on the camera model; use exposure compensation if necessary. Exposure compensation may be required when zoom is set at a wider position. |
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Camera's autofocusing mode cannot be used. Perform focusing using the EDG Fieldscope focusing ring. |
Combination example: EDG Fieldscope 85+FSA-L2+D700 |
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Compatible Nikon Digital SLR cameras: D3 series, D2 series, D700, D300 series, D200, D100, D90, D80, D70 series, D5000, D60, D50, D3000, D40 series. (as of August, 2009) Compatible Fieldscope models: EDG Fieldscope 85/85-A EDG Fieldscope 65/65-A |
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Digiscoping System Diagram |
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F-number and focal length in combination with Fieldscope and digital SLR camera |
| Fieldscope | |
F-number*1 | |
Focal length (mm)*1 | |
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| EDG Fieldscope 85/85-A | |
5.9-21 | |
500-1,750*2 (750-2,625)*3 |
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| EDG Fieldscope 65/65-A | |
6.2-22 | |
400-1,400*2 (600-2,100)*3 |
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The actual f-number and the focal length vary depending on the actual zoom setting, while the camera display and image data show the constant f-number (13) and focal length (800mm). |
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When used with a Nikon FX-format camera, vignetting occurs at focal lengths between 500mm and 750mm with EDG Fieldscope 85/85-A and between 400mm and 600mm with EDG Fieldscope 65/65-A. |
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When used with a Nikon DX-format digital SLR camera, the picture angle is equivalent to approx. 1.5x focal length of 35mm format. |
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