Summary: Benn using the the MZ440AF-PT SunPak strobe for about 3 years on a Pentax K20D. The strobe will also work on the Pentax K10D as well. Good all around strobe for close in work out to about 15 feet or so. I use it with the defuser and that cuts the light somewhat but gives a bit more natural look -- also really cuts down on the flash "hot spot" because the light is scattered.
Summary: I've had this for years--used it with my 9xi and now with a 7D. It gives better exposures than my Sigma flash costing 3x as much. As for the sturdiness, I haven't experienced any problems in that area, either. A decent bargain.
Pros: Consistent Output, Fast Recycling, Lightweight
Summary: I have owned two MZ-440AF flashes for the Minolta Maxxum. Both of them broke in two different places. The door for the batteries broke on the first one. On the second one, the shoe mount itself broke. The flash works fine but if not handled VERY gently, it will EASILY break! Expertise: Experienced amateur Problems Encountered: I have owned two MZ-440AF flashes for the Minolta Maxxum. Both of them broke in two different places.
Summary: Mark had it right when he said "If you're looking for a completely automatic TTL flash with no options for any manual flash work, then this is a well-priced unit that supports bounce and swivel. If you're looking for control or customization, forget it." However, I did not experience the same compatibility issues with my Nikon N60 that he did with his Pentax. It works like a champ.
Pros: PRICE, Guide number (40 @50mm), 90 degrees tilt, 270 degree swivel, manual zoom capability, 20mm coverage with panel
Summary: I got this flash because my current Pentax flash (the AF200T) does not have a bounce head, and I wanted to try out bounce and use some of the nifty Lumiquest gadgets (like the Mini-Softbox and the Pocket Bouncer). If you're looking for a completely automatic TTL flash with no options for any manual flash work, then this is a well-priced unit that supports bounce and swivel. If you're looking for control or customization, forget it.
Pros: Bounce/swivel head, AF assist, powerful, TTL support, neat accessories (WA diffuser and angle bouncer)
Cons: poor instruction manual (one sheet of paper), simplistic controls, Pentax version does not fully support all exposure modes
Summary: I tried the Canon 380ex before purchasing the Sunpak flash. I needed a little extra power, and I was looking to save a few dollars(like to save up for the 540). The other advantage of the Sunpak is the ability to swivel. What do you lose? E- TTL(max sync of 1/125), and a powerzoom head. Build quality is fair, and mine has seen some abuse. You can't go wrong for the price.
Pros: Powerful, Swivel/ Tilt, Price
Cons: (Manual Zoom), (no E- TTL), Manual controls, no display