Black baked seven, can read cloth mirror, printed mirror, pigeon mirror

Lens quality: international standard K9 optical lens

Specifications: unfolded length 7* width 4* height 5.5 (cm) folded thickness is about 2 cm

Magnifier magnification = 20 times (actually insufficient, refer to my actual shooting effect)

Effective lens diameter: 28mm

Diameter of lens frame: 40MM

Weight: 130 grams

Made of metal, feel good;

Black paint, noble and elegant;

There is a ruler, which can be read; the minimum graduation value of the ruler: 1 mm

Small size, easy to carry; size:

Open size: 4 cm X 5 cm X 4.5 cm

Folding size: 4 cm X 5 cm X 1 cm

Anti-vibration, anti-drop, anti-extrusion (full metal frame)

Features: foldable, easy to open, easy to carry, the lens is an aberration lens, double lens group, aberration elimination is more perfect. The base is marked with a scale to measure the size of the observation object.

Uses: It is mainly used to accurately detect the thread count, warp and weft density of various cotton, wool, silk, linen and blended fabrics of textiles. It can also be used as stamps, the appreciation of antiques, the surface observation of porcelain, bronze, jewels, and the observation of circuit boards, textiles, seals, printed matter, carvings, circuit boards, etc.