Pentax AF540FGZ 23°, 26°, 34°, 45°, 53°, 60°, 85°, 31°, 36°, 46°, 60°, 70°, 78°, 98°, 85mm, 70mm, 50mm, 35mm, 24mm, (M1/2), (M1/4), (M1/8), Approx, Approx, Approx, (M1/16)

(ISO 400)Flash duration (1/2 peak each)Recycling time/Total number of flashesConsecutive Discharge Flash Coverage AngleColor temperatureEffective flash rangeAF spotbeamFilm speed setting

Focal Length (Zoom position)	85mm 70mm 50mm 35mm 28mm 24mm 20mm*
(M1/1) (=FULL)	108	100	90	78	70	64	42
(M1/2)	76	71	64	55	49	45	30
(M1/4)	54	50	45	39	35	32	21
(M1/8)	38	35	32	27.5	24.5	22.5	14.5
(M1/16)	27	24.5	22.5	19.5	17	16	10
(M1/32)	19	17	16	13.5	12	11	7
(M1/64)	13.5	12	11	9.5	8.5	7.5	5

(M1/1) flash: Approx. 1/1200 sec. (TTL) Fastest duration time: Approx. 1/20000 sec.

Battery type	Recycling time	Total number of flashes
Alkaline (LR6)	Approx. 6 sec.	Approx. 200
Nickel-Metal Hydride (Ni-MH) (2500mAH)	Approx. 6 sec.	Approx. 250
Lithium (FR6)	Approx. 6 sec.	Approx. 350

Approx. 2 frames/sec. for 50 times, at M 1/16 output (with alkaline LR-6 batteries) Auto zoom enabled with autofocus compatible camera and lens combination.

					*Wide-angle panel used.
Zoom position	85mm	70mm	50mm	35mm	28mm	24mm	20mm*
Vertical Coverage	23°	26°	34°	45°	53°	60°	85°
Horizontal Coverage	31°	36°	46°	60°	70°	78°	98°

(7 step zoom)Daylight (Suited for daylight color film)Approx. 0.8 m - 8.0 m (Guide No. 45, ISO 100, f/5.6)Red beam emitted under low light or low-contrast conditions.

Effective range: Approx. 1 m - 7 m (According to Pentax’s testing conditions.) ISO 25 - 1600

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