Property talk:P7863

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aperture
aperture of a camera lens

Represents	aperture (Q20820337)
Data type	Quantity
Domain	camera lens (Q192234) or camera model (Q20888659)
Allowed values	0 ≤ 𝓧 ≤ not applicable
Example	Samyang 500mm f/8 (Q25038830) → 8 Canon EF 1200 mm f/5.6 L USM (Q5033201) → 5.6 Canon EF 1200 mm f/5.6 L USM (Q5033201) → 32 Canon EF 200-400mm f/4L IS USM Extender 1.4x lens (Q13505764) → 5.6 Canon EF 200-400mm f/4L IS USM Extender 1.4x lens (Q13505764) → 4 Rollei 35 (Q315368) → 2.8
Tracking: usage	Category:Pages using Wikidata property P7863 (Q126375406)
See also	f-number (P6790)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P7863 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,253 Main statement 1,121 89.5% of uses Qualifier 132 10.5% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “camera lens (Q192234), camera model (Q20888659)”: item must contain property “instance of (P31), subclass of (P279)” with classes “camera lens (Q192234), camera model (Q20888659)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7863#Type Q192234, Q20888659, SPARQL

Range from “0” to “ ∞”: values should be in the range from “0” to “ ∞”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7863#Range

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7863#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P7863#Entity types