The Quantaray QTB 7500A flash is a versatile photographic tool. This flash offers you superb Through-The-Lens auto results with Nikon, Canon, Pentax or Minolta auto-focus cameras. The Quantaray QTB 7500A is the main body of a two piece flash system that is designed to operate in conjunction with the auto focus and exposure controls built into your camera.The Quantaray QTB 7500A requires a separate module that attaches to the bottom and has the proper electronic circuitry for the camera you are using. Enjoy big savings with this versatile flash/module arrangement. If you carry several cameras in your bag, or decide to upgrade your camera later, you only need to match the QTB 7500A 's dedicated flash module to the camera you are using!The QTB 7500A features TTL exposure operation, a manual zoom head, a focus assist beam, bounce and swivel head, and guide numbers from 72 to 96 (depending on zoom position), an ôextraö small flash on the front for filling in shadows, and an auto off. The QTB 7500A is a terrific flash for the general photographer.
B**N
One Star
Did not work. Sent back.
C**H
It's OK... Update it works well!
Only works in manual. I use it with the sx20, but a much better flash is the sunpak pz40 that is also affordable and works with canon. So, basically it doesn't know that the camera is there, and you have to adjust all the flash compensation manually. Actually, the only thing it DOES do automatically is fire when the camera takes a shot. Alright, now for the pros. First off, you can obtain any shutter speed you want with the right flash exposer. Let's say that if ASA(ISO) is 800, and the aperture is 4 and the flash is on full, you can get a pic with the flash illuminating to about 50-60 ft with any shutter speed you like. I'd rate it a 3 1/2 if i could.The following link is to the better flash. Note that it only sells for $70 at B&H. Sunpak PZ40X Power Zoom Digital Flash for all Canon EOS TTL, E-TTL and E-TTL II Cameras (Black)
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