Nikon D2Xs

Sigma 20mm F1.8 EX  Aspherical DG DF RF

Camera Specifications [Edit]

Resolution:
4288 x 2848
Sensor Size:
23.7 x 15.7mm
Diffraction Limit:
F16.4
Camera Modes:
Aperture Priority, Shutter Priority, Manual
ISO Range:
100 to 3200
Metering Modes:
matrix, spot, center-weighted
Manual Focus:
Yes
Macro Focus:
No
Flip-out LCD:
No
Stabilization:
No

Lens Specifications

Lens:
Sigma 20mm F1.8 EX  Aspherical DG DF RF
Aperture Range:
F1.8 to 22
Focal Length:
20 to 20mm
Working Distance:
200mm
Filter Thread Size:
82mm
Backdrive:
Yes

Add-Ons

Close-Up Diopter:

GoPano Compatibility [Disclaimer]

Overall:
87%
Resolution:
100%
Shooting Mode:
100%
Focus Distance:
95%
Focal Length:
70%
Aperture:
100%
Mount:
96%
ISO:
100%
Metering:
100%

GoPano Mount

Parts Needed

GoPano Overview

GoPano Usage

  • L Max Resolution
    Set camera to its maximum resolution (12.2 megapixels).
  • Av Aperture Priority
    Switch to aperture priority or manual mode so you can control the aperture value.
  • AF Auto Focus
    Focus on the mirror at about 20 cm. Adjust the auto focus area as necessary to focus around the horizon.
  • 20mm Max Focal Length
    Move camera away from optic to frame mirror vertically.
  • F2.3 F-Stop
    Set your F-Stop in the green range for best results:
    • Minimum:F1.8
    • Poor:F1.8 - 2.0
    • Better:F2.0 - 2.3
    • Best:F2.3 - 22.0
    • Maximum:F22.0

  • 100 ISO
    Use the lowest ISO setting that allows you to get the shot. Lower ISO images have less noise, but require a longer exposure.

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