The listed specs are completely incorrect. This flash is less than half as powerful, and it has no zoom or swivel or variable power. Correct specs for this model are: Guide Number:22m at 35mm Zoom Range:35mm only (no zoom) Bounce Capability:Vertical bounce angle: 0Â°, 45Â°, 60Â°, 75Â°, 90Â° Power Selection: none Special Features:Focus beam to assist in low light conditions, auto shutter speed setting Recycle time:0.3-10 sec Power source:2 x "AA" (alkaline batteries) Number of flashes:100 times (times with fresh batteries) Dimensions:65 x 54 x 98mm Weight: 127g (w/o batteries) The pluses here are it's simple, small, cheap, and when on the hot shoe works with your camera to do autofocus assist and TTL metering to get the proper exposure. The negatives are it doesn't have many features, and some will consider it underpowered. At ISO 100, the practical range for good exposure would only be within about 15-18 feet (figure a GN of 22 meters, divided by 5.5 meters = f4.0). But, you can up the ISO to 400 and get pretty good range (say 30 feet). This still produces maybe twice as much light as a typical on camera flash on an entry level DSLR.
On a PEN E-P1, this shoots underexposed. At 15 ft. this shoots about 3 EF low At 10 ft. it is closer to 2 EF low. At 2 ft. is is correct. Obviously this makes it hard to get good results without manual EF adjustments. In fact it really isn't any better than my old Vivitar 2000 that I've tested with this camera in Manual mode. Unfortunately the old Vivitar is not TTL so it would eventually damage my PEN. This new flash is at least safe for the camera. But my 1974 Pentax flash used with a Spotmatic IIa was more automatic that this is.
i decide to use an inexpensive flash for the conditions were i do my shootings since is to humid but i was impressed by the fast recycling and after 8 months of shooting very day i had to buy a new one not bad for that price , i would buy another one if i have to...
The built in flash on my camera quit, and I didn't want to spend a lot to fix it, so, the easy solution was a cheap external flash. This one fit that need, and easily replaced the capability of the built in. It works OK, but I did find the range somewhat limited - more expensive flashes will shoot farther. But at [$] I can forgive it for that. The claim of 100 shots per set of batteries seems about right, but it will varry with the distance of your shots. For shots from 3 to 20 feet or so it seems consistent. Overall, a reasonable flash if your looking to buy a decent if basic, low cost flash.
The flash works with the camera very well. I bought it as a smaller flash for candid shots. It feels very lightweight and flimsy compared with my other flashes. The description says it takes 4 batteries; one reason I bought it. It only takes 2. A nice flash for little money.
This flash is not at all what the advertising specs say. This is barely good enough for up close snapshots.
The specs on all retailer websites for the DF-183 are incorrect. May be for another unit. Vivitar is now owned by Sakar. Check web reviews for their products. Ordered Vivitar 383 as replacement - failed right out of the box. Check web reviews before you waste your time.
All online retailers of this product are showing the wrong specs. Specs shown are not for this flash.