G M a, SA-7/SA-9QD, 35mm Autofocus SLRs

S I G M A

SA-7/SA-9QD

156 CAMERAS & LENSES

35mm Autofocus SLRs

Sigma’s AF SLR cameras, the SA-7 and SA-9QD provide the right mix of features for great photographic versatility, in compact, lightweight camera bodies. Together with Sigma’s comprehensive system of lenses, flash and accessories, they can fulfill almost any photographic need, while maintaining simplicity of design and operation.

They feature automatic and manual exposure control, as well as automatic and manual focus capabilities. In addition they feature a stainless steel lens-mount, built-in flash with red-eye reduction, automatic film handling, three metering systems, multiple auto exposure modes including a shiftable program exposure mode, AE Lock, auto-exposure bracketing, depth-of-field preview, mirror lock-up capability,

3-channel wireless remote control receiver, and wireless TTL control flash (with

optional EF500 DG Super or EF500 Super flash units). The SA-7 features a high-speed shutter of 1/2000 and flash sync 1/90 of a second. Continuous shooting of up to 1.5 fps (frames-per-second) is possible.

Otherwise identical, the high performance SA-9 QD steps up with action-stopping shutter (1/8000) and flash sync (1/180) speeds, high speed 3 fps shooting and a built-in databack.

FEATURES

Precise Autofocus

Three Metering Systems

Exposure Modes

◆Using AF-cross sensor in the center of the viewfinder, they feature fast, easy and pre- cise autofocusing capability. You simply set the point of focus on any selected part of a subject while looking through the viewfind- er. The AF-cross ssensor does the rest offer- ing excellent tracking capability and the ability to focus multiple subject types. You’re pictures will never be out of focus.

◆There are two focus modes to match shoot- ing purpose and subject:

–Single AF mode with a “focus” indicator light in the viewfinders along with an elec- tronic sound to indicate correct focus.

–Continuous AF mode when shooting a sub- ject moving at constant speed, such as sporting events or people marching in a parade.

◆A predictive AF function in the Continuous AF mode ensures optimum focus when tak- ing pictures of subjects moving towards or away from you at constant speed. It will latch onto subjects between infinity and

26.4 feet moving as fast as 30 miles per hour.

◆8-Segment Evaluative Metering: When selected this mode divides the image into 8 parts, and the light intensity of each seg- ment is measured independently. An opti- mum exposure is calculated based on the information obtained by this metering.

◆Center Area Metering: In this mode, the light intensity of an area (about 9mm in diameter at the center of the viewfinder) is measured so that you can select an expo- sure value to obtain the intended image. Since the light intensity is detected only at the center of the viewfinder, this mode lets you eliminate the effects of surrounding light sources when setting the exposure.

◆Average Metering: This mode measures the light intensity at the center of the viewfind- er image, but also takes the brightness of the surrounding area into consideration. This is the most common metering mode. When used with the exposure compensa- tion function, this mode provides effective exposure control, according to the type of subject being photographed.

◆The dial for adjusting shutter speed and the selector for setting exposure mode are positioned together for smooth and reliable operation.

–Program Auto (P): In this mode, the cameras automatically set the shutter speed and aperture, enabling quick shooting.

–Shiftable Program mode lets you enjoy the creative benefits of aperture- or shutter- priority without having to change exposure modes. While in P mode you can quickly shift the programmed autoexposure setting to a desired aperture or shutter speed with- out affecting the original exposure

–In Aperture-priority mode you select the aperture and the cameras set the optimum shutter speed.

–In Shutter-priority you select the shutter speed and the cameras sets the correct aperture value.

–In Manual mode you select both the aperture and shutter speed in any combination.

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