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WikiCards · Card list · Science cards · Point spread function
Uncommon card · Science
Point spread function, an Uncommon card
The point spread function describes the response of a focused optical imaging system to an idealized point source of light.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 67
- DEF
- 50
- Power
- 117
- Wikipedia reads a year
- 54,000
Power 117 (ATK + DEF): stronger than 65 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- In casual terms, for a given camera, it is the blurry blob image captured from pointing that camera at a single speck of light.
- More technically, a PSF is a form of impulse response function for a focused optical imaging system, in spatial terms.
- In functional terms, it is the spatial domain version of the optical transfer function of an imaging system.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Point spread function article was read about 54,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 67 and blocks with 50: each hit it takes is cut by 20 %.
How to get Point spread function
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Point spread function in the power ranking, all domains together.
- Electrical wiringUncommon · Science · ATK 70 DEF 47
- Art historyUncommon · History · ATK 70 DEF 47
- Montgolfier brothersUncommon · Society · ATK 63 DEF 54
- Assassination of UthmanUncommon · History · ATK 64 DEF 53
- Ground beetleUncommon · Nature · ATK 69 DEF 48
- Alfonso VII of León and CastileUncommon · History · ATK 64 DEF 53
Card lists
- All cards from A to ZEvery card, by name
- Nature cards600 cards
- Science cards600 cards
- History cards599 cards
- Arts cards600 cards
- Society cards600 cards
- Tier listS and A tiers by power (ATK + DEF)
- Legendary cards166 cards
- Epic cards273 cards
- Strongest cardsTop 100 by attack
Credits
Text : Wikipedia, Point spread function (revision), CC BY-SA 4.0. Photo : Default007, Public domain, Wikimedia Commons.
