Best tool to check trichomes?

I have bought multiple jewelers loops and 100x zoom in hand held gadgets just wondering what everyone else uses and is a cheaper alternative ? Someone mentioned to get a add on attached for iphones since i have iphone 12 max ?? Any help is appreciated

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Best tool to check trichomes?

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USE FOR PROPER PLANT IDENTIFICATION - Determine plant sex or identify and diagnose issues (Molds, Pests, Disease) before they become problems. HARVEST

40X LED Illuminated Jewelers Loupe/Trichome Scope by Formline Supply - Magnifier Good for Gardening, Jewelry, Antiques, Coins, Rocks, Stamps, Hobbies

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