Original file (3,008 × 2,000 pixels, file size: 2.28 MB, MIME type: image/jpeg)
This is a file from the
Wikimedia Commons. Information from its
description page there is shown below. Commons is a freely licensed media file repository. You can help. |
DescriptionImproved-non-binding-type-4-barn-door-tracker-by-gerard-prins.jpg |
English: The main problem of the original type-4 barn-door design is that the drive rod binds fairly soon. The supposed solution is bending it into a specific curve, which is complicated.
This design features a suspended, straight drive rod that will not bind even after several hours of tracking. It is considered to be a minor, but relevant innovation on the original design. Plans:
http://gerardprins.com/PDF/heavy-duty-double-arm-barndoor-building-plans.pdf |
Date | |
Source | Own work |
Author | Gerard Prins |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 06:45, 11 October 2020 | 3,008 × 2,000 (2.28 MB) | Gerard Prins | Cross-wiki upload from en.wikipedia.org |
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D40 |
Exposure time | 1/200 sec (0.005) |
F-number | f/8 |
ISO speed rating | 200 |
Date and time of data generation | 16:23, 30 January 2018 |
Lens focal length | 55 mm |
User comments |
|
Credit/Provider | Gerard Prins |
Online copyright statement | http://blog.gerardprins.com |
Usage terms |
|
Copyright holder |
|
Author | Photographer, Gerard Prins |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.11 |
File change date and time | 16:23, 30 January 2018 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 16:23, 30 January 2018 |
Meaning of each component |
|
Image compression mode | 4 |
Exposure bias | −0.33333333333333 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light not detected, auto mode |
DateTime subseconds | 40 |
DateTimeOriginal subseconds | 40 |
DateTimeDigitized subseconds | 40 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 82 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Width | 3,008 px |
Height | 2,000 px |
Pixel composition | RGB |
Number of components | 3 |
Shutter speed | 7.643856 |
APEX aperture | 6 |
Image width | 3,008 px |
Image height | 2,000 px |
Serial number of camera | 3336586 |
Lens used | 55.0-200.0 mm f/4.0-5.6 |
Bits per component |
|
Rating (out of 5) | 0 |
Date metadata was last modified | 16:02, 30 January 2018 |
Special instructions | Credit Required |
Copyright status | Copyrighted |
Contact information |
at manquehue dot net gejepe at manquehue dot net
http://gallery.gerardprins.com; http://www.amsterdampublicidad.com Parque Villarrica Sur 9094, Peñalolén Santiago, R.M., 794-0933 Chile |
IIM version | 2 |
Original file (3,008 × 2,000 pixels, file size: 2.28 MB, MIME type: image/jpeg)
This is a file from the
Wikimedia Commons. Information from its
description page there is shown below. Commons is a freely licensed media file repository. You can help. |
DescriptionImproved-non-binding-type-4-barn-door-tracker-by-gerard-prins.jpg |
English: The main problem of the original type-4 barn-door design is that the drive rod binds fairly soon. The supposed solution is bending it into a specific curve, which is complicated.
This design features a suspended, straight drive rod that will not bind even after several hours of tracking. It is considered to be a minor, but relevant innovation on the original design. Plans:
http://gerardprins.com/PDF/heavy-duty-double-arm-barndoor-building-plans.pdf |
Date | |
Source | Own work |
Author | Gerard Prins |
This media file is uncategorized.
Please help improve this media file by adding it to one or more categories, so it may be associated with related media files (
how?), and so that it can be more easily found.
Please notify the uploader with {{subst:Please link images|File:Improved-non-binding-type-4-barn-door-tracker-by-gerard-prins.jpg}} ~~~~ |
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 06:45, 11 October 2020 | 3,008 × 2,000 (2.28 MB) | Gerard Prins | Cross-wiki upload from en.wikipedia.org |
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | NIKON CORPORATION |
---|---|
Camera model | NIKON D40 |
Exposure time | 1/200 sec (0.005) |
F-number | f/8 |
ISO speed rating | 200 |
Date and time of data generation | 16:23, 30 January 2018 |
Lens focal length | 55 mm |
User comments |
|
Credit/Provider | Gerard Prins |
Online copyright statement | http://blog.gerardprins.com |
Usage terms |
|
Copyright holder |
|
Author | Photographer, Gerard Prins |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.11 |
File change date and time | 16:23, 30 January 2018 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.21 |
Date and time of digitizing | 16:23, 30 January 2018 |
Meaning of each component |
|
Image compression mode | 4 |
Exposure bias | −0.33333333333333 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light not detected, auto mode |
DateTime subseconds | 40 |
DateTimeOriginal subseconds | 40 |
DateTimeDigitized subseconds | 40 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 82 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Soft |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Width | 3,008 px |
Height | 2,000 px |
Pixel composition | RGB |
Number of components | 3 |
Shutter speed | 7.643856 |
APEX aperture | 6 |
Image width | 3,008 px |
Image height | 2,000 px |
Serial number of camera | 3336586 |
Lens used | 55.0-200.0 mm f/4.0-5.6 |
Bits per component |
|
Rating (out of 5) | 0 |
Date metadata was last modified | 16:02, 30 January 2018 |
Special instructions | Credit Required |
Copyright status | Copyrighted |
Contact information |
at manquehue dot net gejepe at manquehue dot net
http://gallery.gerardprins.com; http://www.amsterdampublicidad.com Parque Villarrica Sur 9094, Peñalolén Santiago, R.M., 794-0933 Chile |
IIM version | 2 |