Nikon D7500 Users Manual - English for customers in the Americas - Page 357
Aperture, Using the Built-in Flash, Zoom and Maximum Aperture
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❚❚ Aperture Aperture is adjusted using camera controls. Zoom and Maximum Aperture Changes to zoom can alter the maximum aperture by up to 11/3 EV. The camera however automatically takes this into account when setting exposure, and no modifications to camera settings are required following adjustments to zoom. ❚❚ Using the Built-in Flash When using the built-in flash, be sure the subject is at a range of at least 0.6 m (2 ft) and remove lens hoods to prevent vignetting (shadows created where the end of the lens obscures the built-in flash). Shadow Vignetting When the lens is mounted on the following cameras, the built-in flash may be unable to light the entire subject at ranges less than those given below: Camera D7500/D7200/D7100/D7000/ D300 series/D200/D100 D90/D80/D50 D5600/D5500/D5300/D5200/ D5100/D5000/D3400/D3300/ D3200/D3100/D3000/D70 series/ D60/D40 series Zoom position 18 mm 24-140 mm 18 mm 24 mm 35-140 mm 18 mm 24 mm 35-140 mm Minimum distance without vignetting 1.0 m/3 ft 4 in. No vignetting 2.5 m/8 ft 3 in. 1.0 m/3 ft 4 in. No vignetting 1.0 m/3 ft 4 in. No vignetting 331