Linen Testers, originally used for counting threads in textiles, are now the most popular general purpose magnifiers used by graphic arts professionals.
They are available in a wide range of power and lens types.

#1002 (OPT-G1002) Large Linen Tester Has Been Discontinued

The 1002 has a 2" x 2" (51mm x 51mm) field of view and a 3.5" focal distance with a 1.5" lens and 4X power.
Plastic lens and frame and folds compactly.

#1102 Giant Linen Tester

The 1102 stands 7 1/4" high and has a 4" x 4" (102mm x 102mm) field of view and 3X power.
Plastic lens and frame.
Folds down compactly.

#7549 and #7550 Custom Imprint Linen Testers

Excellent yet inexpensive testers, perfect for imprinting your logo for use as promotional items.
They each have a 1" x 1" imprint area.
Constructed of lightweight plastic.
Inch and mm scales on base.
Contact us for imprinting costs and volume discount schedule.

The 7549 has a 1.18" x 1.18" (30mm x 30mm) field of view, 5X power.

The 7550 has a .88" x .88" (22mm x 22mm) field of view, 8X power.

7550 Has Been Discontinued
Click For Closest Replacement: Lithco Linen Testers 6x, 8x, 9x and 10x

#734-DL and #735-DL Linen Testers

These are our most popular linen testers.
Double optically ground and polished glass lens.
Black lacquered zinc alloy frame with graduated opening.
Folds flat for carrying in pocket with the supplied vinyl pouch.

The 734-DL has a 1" x 1" (25.4mm x 25.4mm) field of view, 6X power.

The 735-DL has a .5" x .5" (12.7mm x 12.7mm) field of view, 9X power.

#61 and #62 Single Lens Linen Testers

Powerful magnifiers.
Use for thread count, as dot observer, for etching and engraving.
Many other uses in printing, lithography, textiles, retouching.
Folds to fit carrying pouch.
Similar to the 734-DL and 735-DL, but only has a single lens.

The 61 has a .5" x .5" (12.7mm x 12.7mm) field of view, 7X power.

The 62 has a 1" x 1" (25.4mm x 25.4mm) field of view, 5X power.

#728 Spring Loaded Linen Tester

This single glass lens tester has a chrome-plated metal frame with a graduated inch and millimeter opening.
Comes with vinyl snap-lok pouch.

The 728 has a .5" x .5" (12.7 mm x 12.7mm) field of view, 10X power.

Quantity Discount:
10% off when 11 plus magnifiers of the same type are ordered.
DISCOUNT TABLE SHOWN AT BOTTOM OF PAGE

• Models: OPT-G1102, OPT-G734DL, OPT-G735DL & OPT-LTC1/2