File:Front of 4th century CE Roman Lycurgus Cup, British Museum (1958,1202.1).jpg
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DescriptionFront of 4th century CE Roman Lycurgus Cup, British Museum (1958,1202.1).jpg |
English: The most magnificent of all ancient #Roman ‘cage cups’ is the 4th c. CE Lycurgus Cup, made of dichroic glass. In normal light, the glass appears milky green, when backlit, it glows a ruby red. The effect was achieved by adding silver and gold nanoparticles to the glass. |
Date | |
Source | Own work |
Author | Chappsnet |
Camera location | 51° 31′ 09.57″ N, 0° 07′ 33.85″ W | View this and other nearby images on: OpenStreetMap | 51.519325; -0.126069 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:44, 26 December 2023 | 2,720 × 3,649 (1.66 MB) | Chappsnet (talk | contribs) | Uploaded own work with UploadWizard |
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Image title | The Lycurgus Cup
Late Roman Empire, AD 300s This cage-cup is incredibly rare. Its glass contains tiny amounts of gold and silver which cause it to turn from opaque green to translucent red when light is shone through. It may have been part of a wealthy Roman's banqueting set, making its imagery of Dionysus, Greek god of wine, highly appropriate. Its green and red qualities may even have been intended to evoke white and red wine. Alternatively, it may have been used as a lamp because the gilded silver rim and foot were probably added in the late 1700s. Formerty in the collection of Lord Rothschild, purchased with the sid of the An Fund, 1958,12021 |
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Camera manufacturer | Apple |
Camera model | iPhone 15 Pro Max |
Exposure time | 1/25 sec (0.04) |
F-number | f/1.78 |
ISO speed rating | 640 |
Date and time of data generation | 14:04, 17 December 2023 |
Lens focal length | 6.86 mm |
Latitude | 51° 31′ 9.57″ N |
Longitude | 0° 7′ 33.85″ W |
Altitude | 28.828 meters above sea level |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | 17.1.2 |
File change date and time | 14:04, 17 December 2023 |
Y and C positioning | Centered |
Exposure Program | Normal program |
Exif version | 2.32 |
Date and time of digitizing | 14:04, 17 December 2023 |
Meaning of each component |
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APEX shutter speed | 4.6435676763161 |
APEX aperture | 1.6637544825625 |
APEX brightness | −1.2292724819041 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 435 |
DateTimeDigitized subseconds | 435 |
Supported Flashpix version | 1 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
Scene type | A directly photographed image |
Custom image processing | 9 |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Focal length in 35 mm film | 48 mm |
Scene capture type | Standard |
GPS time (atomic clock) | 14:04 |
Speed unit | Kilometers per hour |
Speed of GPS receiver | 0 |
Reference for direction of image | True direction |
Direction of image | 66.617965746243 |
Reference for bearing of destination | True direction |
Bearing of destination | 66.617965746243 |
GPS date | 17 December 2023 |
IIM version | 2 |