Excellent for determining paper quality and ink absorption. Ideal for proofreaders. The transparent acrylic base rests directly on work for clear, close-up examinations. Base admits light to subject under view. 12X is Kellner-type, color-corrected, three-element lens system. Twist focus with lock-ring for permanent setting. Contact reticle adapter ring on base accepts all 27mm diameter reticles. Since power increases as field of view decreases, the full reticle pattern of some crowded reticles will not be visible using the 12X comparator. Nylon case (#36-286) is sold separately.
Magnetic Ink Scale: An important tool in magnetic ink printing field. Checks character skew, width, coverage, and voids against Accredited Standards Committee X9 specifications. Scales include comparative brackets and linear scales.
English/Metric Line Scale: Versatile measurement, straight line scale with metric and inch scales. Metric top line 0 to 15mm in 0.1mm increments. English bottom line 0 to 0.60" in 0.01" increments.