Beisite 30 times magnifying glass with light LED violet jewelry identification tools jade diamond to send 60 times the phone clip

Beisite 30 times magnifying glass with light LED violet jewelry identification tools jade diamond to send 60 times the phone clip

133.28 CNY (19.41USD)

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Product parameters:

  • Processing customization: No
  • Type: Jewelry Magnifier
  • Brand: Bai Site
  • Model: Bassett
  • Magnification: 1-1000 times


Primary magnification
30 times
Primary mirror diameter
21mm
Lens properties
Optical glass lenses
Mirror body material
Stainless steel frame
Switch
Have
Battery
LR927 button batteries three
Light source
Yanchao Deng (UV violet test Yanchao Deng)
net weight
About 51 g
Observation distance
Observe the distance of objects within about 3-4 mm
Dimensions
85 * 24.5 * 21mm

Common answers:

One to see the word is anti, this is the use of the error, the time to observe the first to put the eye in front of the magnifying glass, and then slowly moved to the object, the eye and the magnifying glass with objects Oh, until the away from Objects close to the clear observation point, the professional point of speaking, called the working focal length.

two This is a professional-grade 30-fold identification tool, from the object focal length of about 3-4 mm If you just read the book, read the newspaper, it is recommended to buy the standard magnification magnification can read Oh, magnifying glass is not the higher the better, but the appropriate magnification to do, and the telescope is about the truth. Identification, the standard ten times the gem mirror can be identified to meet the conventional needs. Usually 30 times from the object within about 3-4 mm 20 times 5-8 mm 10 times less than about 10 mm