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Popular Photography - Tools & Techniques - by Cora Wright Kennedy

Straight from Cobra's grab bag:a neat way to control dust.

Now, on to the small $19.95 Mini-Vac vacuum cleaner (shown), which I use when I want to trap dust in a neat little bag rather than just blow it away. Since I got the unit, I've also used it for cleaning many slides and negatives, because its two brushes are made of ultrasoft pony hair. (The wide one measures about 1&1/4 inches across, while the round one has a diameter of approximately 5/8 inch).

This softness also makes them very good for cleaning lenses. In fact, the Mini-Vac is far preferable for all such delicate purposes to a look-alike unit that I tried, whose two slightly smaller brushes are made of much stiffer nylon (almost as stiff as a soft toothbrush).

The Mini-Vac operates well, although you may be surprised to find that it sounds like a high-pitched dentist's drill. It is powered by a nine-volt alkaline battery or an optional $10 auxiliary a.c. adapter. Along with the two brushes, you get two wands (one curved, attached to the intake port in the photo, the other straight) and the little black dust bag.

This bag can be emptied of dust simply by opening the Velcro closure on the end. Then, if you remove the bag and turn the unit on, you get a mild stream of air coming out of the opening. To use the air, you can simply insert one of the wands into the "blower port" where the bag was.

The source of this unit is Mini-Vac, Inc., P.O. Box 3981, Glendale, CA 91201. Telephone:(818)-244-6777.

Cora favors this small, $19.95 vacuum cleaner, called Mini-Vac, for removing dust from slides, some camera areas, or enlarger. Its two brushes are made of ultrasoft pony hair, not of stifer nylon found on similiar-looking unit. Also included: a removable bag, two wands (one straight, one curved), but not a battery or a.c. adapter.