Our loupes are some of the lightest loupes on the market by a significant margin. 

2.5x are 24g
2.8x are 29g
3.5x are 71g
5.0x are 78g

7.5x are 81g

BD Refractives:
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2.9x are 47g

3.8x are 48g

5.7x are 49g

7.2x are 50g