Pentax AF540FGZ II Speedlite

Identifiers
Model	Pentax Flash AF 540 FGZ II - GN 54
MPN	Pentax Flash AF 540 FGZ II - GN 54
Dimensions / Weight
Key Features
Auto focus AF assist beam Indicates whether a camera or imaging device provides an assist beam for auto‑focus operation, typically used to illuminate the subject and improve focus accuracy in low‑light conditions.	Yes
Battery type The chemical composition or classification of a battery, such as alkaline, lithium‑ion, NiMH, or lead‑acid. It indicates the energy storage technology used in the product and helps users identify compatibility with devices that require specific battery chemistries.	AA
Camera brands compatibility A list of camera brand names that the product is compatible with, such as Canon, Nikon, Sony, Fujifilm, Panasonic, and others. Each entry should be a single brand name; multiple brands can be separated by commas or listed individually in a multi‑value field.	Pentax
Colour The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.	Black
Depth The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.	108 mm
Flash guide number The maximum distance, expressed in metres, at which a camera’s flash can illuminate a subject with sufficient light for proper exposure when the flash is used at its full power and the camera is set to ISO 100. It represents the effective range of the flash unit under standard conditions.	54 m
Height The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.	113 mm
Number of batteries supported The total count of battery cells that the product can accommodate or use. The value may be a simple integer (e.g., "4") or include the type of battery (e.g., "2x AAA"). It indicates how many individual batteries are required for operation, whether they are included in the package or need to be purchased separately.	4
Type The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.	Flash
Weight The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.	350 g
Width The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.	76 mm

Pentax is a brand of photographic equipment, founded in Asahi Kogaku Goshi Kaisha in November 1919. The company produced the first Japanese-made 35mm camera in 1936, and went on to produce a number of popular 35mm SLRs, including the Pentax Spotmatic, which was introduced in 1964. Pentax also produces digital cameras, camcorders and binoculars.