M2 Professional Magnifier L scale These nylon bags are made

These nylon bags are made to the highest standards and studies have proven they have the least amount of chemical interference when air samples are examined from within

Perfect for developing prints on difficult nonferrous surfaces such as paper

and inside of cars

and chemical tampering cause bleeding and staining

Excellent for tire track photography

M2 Professional Magnifier L scale These nylon bags are madeeach. Specifications: 100% black anodized aluminum Two lens optics, 4. 5X magnification 1. 375 (35mm) aperture Thumbscrew focus Positive lock disc mount 1. 438 (3. 65cm) viewing field Dimensions: 3 x 3 x 3. 75 (7. 6cm x 7. 6cm x 9. 5cm) Weight: 7. 5 oz. (213g)