1. 61, 1. 67 and 1. 74 mirror price differences are more apparent overall, with the core pattern being that the higher the rate, the higher the base cost, the higher the price under the same brand and, at the same time, the higher the price differential for different brands, functions and purchase channels. The following are made by nanning's glasses teacher to help you get an extra eye for them。

Main price ranges for refraction lenses
1. 61 refractive lenses
National production base: the online promotion of basket-based coupons is as low as $49-79, and the single purchase of lenses is about $50-150。
Middle-end brands (kemi, moon, etc.): a daily sale price of $100-300 and a single lens offer of approximately $290 for the sub-line physical store。
Imported large cards (caiji, visual roads, etc.): the starting price is about $550 a pair, with a formula with a high end membrane or special function of more than $1,000。
1. 67 refractive lenses
The national production base: 100 dollars at the top of the line, and less than 100 dollars below the average national product single lens。
Middle-end brands (tomorrow, cammy, etc.): the daily sale price is 150-400 yuan, and the price of the meal package can be down to about 129 yuan。
Imported large cards (caiji, view roads, etc.): the price of the entry series is approximately $495 per discount and the price of the high-end series varies from $900 to $1700。
1. 74 refractive lenses
Domestic production base: single pieces are as low as $190 at the time of promotion, with a price of more than $200-400。
Middle-end brands (moon, cammy, etc.): the daily sale price is $380-790, and the camie u6 series promotes single pieces of about $190。
Imported large cards (caiji, view roads, etc.): the daily sale price is 700-2400 and some high-end series are officially priced at over $3280。

Ii. Price margin between different refraction rates
Under the same brand, 1. 67 lenses are usually 1. 5 - 2 times the price of 1. 61 lenses。
The price of the lenses 1. 74 is usually 1. 5-3 times that of the lenses of 1. 67, and the price difference for some of the imported high-end series can even reach thousands of dollars。
For example, the same national product base, the 1. 61 lens package is as low as $69, the 1. 67 lens promotion price is about $129, the 1. 74 lens promotion price is about 225, and the difference is clearly raised。

Iii. Other factors influencing final price differentials
Brand premium: same refractive lenses for imported brands such as chase and vivid road, generally two-to-five times higher than national product plates。
Functional membrane: special features such as blue light, colour and fog protection can increase the price of refractive lenses by between $100 and $300。
Purchase channels: sub-line physical stores typically offer mirrors of the same standard 30-50 per cent higher than the online power provider's promotions because they include light testing, after-sale services, etc。
In conclusion, nanning goku glasses remind you of the need to be careful with glasses to avoid the need to buy them。

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