[ Huaqiang Security Network News ] What are the judgment methods of true and false lenses? 
1. Spiral groove <br> True Seiko: First rotate the front set to the FAR to the end. Observe the inside of the front tube and see three spiral grooves.
Imitation Seiko: First rotate the front group to the FAR to the end, observe the inside of the front tube, only one spiral groove can be seen.
2, Screw interface <br> Really fine: press down to rotate left and right around 330 degrees, the appearance is shiny.
Imitation Seiko: Non-rotating, rough appearance.
3, the lens <br> True Seiko: glass lens, the first lens color, at different angles: yellow, red, purple, darker color, can not see the obvious reflection of people and objects.
Imitation Seiko: plastic lens, the color of the first lens, at different angles: pink, light blue, lighter color, can see the obvious reflection of people and objects.
4, the front group of lenses <br> True Seiko: a uniform black.
Imitation Seiko: There are more white spots and white circles.
5, the shell <br> Really fine: there is no box at the label of the fuselage.
Imitation Seiko: There is a box at the label of the fuselage.
6. Imaging <br> True Seiko: The outline of the image on the monitor is clear and the image is translucent.
Imitation Seiko: The outline of the outline of the image is trailing, the image is white, the center is clear and the periphery is blurred or the surrounding center is blurred.
7, tuning rod <br> Really fine: use 1 long adjustment rod, 1 short adjustment rod.
Imitation Seiko: Use two poles of the same length.
8, front and rear cover <br> True Seiko: the front cover has a "36" number, the back cover is marked with "25, 5" number.
Imitation Seiko: No number is indicated.
Imitation Seiko: First rotate the front group to the FAR to the end, observe the inside of the front tube, only one spiral groove can be seen.
2, Screw interface <br> Really fine: press down to rotate left and right around 330 degrees, the appearance is shiny.
Imitation Seiko: Non-rotating, rough appearance.
3, the lens <br> True Seiko: glass lens, the first lens color, at different angles: yellow, red, purple, darker color, can not see the obvious reflection of people and objects.
Imitation Seiko: plastic lens, the color of the first lens, at different angles: pink, light blue, lighter color, can see the obvious reflection of people and objects.
4, the front group of lenses <br> True Seiko: a uniform black.
Imitation Seiko: There are more white spots and white circles.
5, the shell <br> Really fine: there is no box at the label of the fuselage.
Imitation Seiko: There is a box at the label of the fuselage.
6. Imaging <br> True Seiko: The outline of the image on the monitor is clear and the image is translucent.
Imitation Seiko: The outline of the outline of the image is trailing, the image is white, the center is clear and the periphery is blurred or the surrounding center is blurred.
7, tuning rod <br> Really fine: use 1 long adjustment rod, 1 short adjustment rod.
Imitation Seiko: Use two poles of the same length.
8, front and rear cover <br> True Seiko: the front cover has a "36" number, the back cover is marked with "25, 5" number.
Imitation Seiko: No number is indicated.
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