Minolta 1800 AF Flash
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Rear, Minolta MAXXUM 1800 AF Flash. enlarge.
The 1800 AF is a high performance small flash. It does not bounce, Its performance is high, with a built-in infra-red AF illuminator, a great standby circuit so it can be left on all the time and modern thyristor circuitry for super-fast recycle times, however the early MAXXUM cameras weren't very smart in terms of exposure flexibility and sync speeds.
The 1800 AF may work on the newest Sony Alpha cameras, which descend from MAXXUM.
The 1800 AF uses a standard hot shoe. Minolta and then Sony used a screwy new shoe from about 1988-2012, and Minolta made adapters so that this flash will work on the slot-style hot shoe.
The 1800 AF has a 1 minute standby time-out. It goes to sleep all by itself after a minute, and wakes up with your camera. Therefore it's AOK to leave it turned on all the time.
Rated guide number 59 feet (18 meters) at ISO 100.
(Rated guide number 46 feet (14 meters) at ISO 100 with wide adapter.)
Program Mode Distance Range
Program mode forces f/2.8:
2.3 to 21 feet at ISO 100.
(2.3 feet to 16 feet with wide adapter at ISO 100.)
TTL only, as controlled by camera.
Rated to cover a 35mm lens, to 28mm with wide adapter.
3.3 to 15 feet range.
1 to 4.5 meters range.
4-AAA or one 223 lithium battery.
Rated 150 to 1,000 shots on alkaline.
Rated 380-2,000 shots on 223 lithium battery.
Rated 3.6 to 0.4 seconds on alkaline.
Rated 2.4 to 0.3 seconds on 223 lithium battery.
Automatically goes to sleep after a minute.
Wakes up as soon as a MAXXUM camera wakes up.
Rated 2-3/4 x 2-3/16 x 2-15/16 inches.
Rated 70 x 56 x 74 mm.
6.305 oz. (178.8g) measured with 4 alkaline AAA cells.
Rated 4.75 oz. (135g) empty.
Made in Japan.
May 2013: about $15 used.
The 1800 AF is the perfect take-everywhere flash for use with MAXXUM cameras. It's small, light, has enough power and even offers an AF illuminator in its tiny package. it recycles quickly and is small enough to leave on the camera all the time.
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