Farming has its challenges. Agstar Financial commissioned us to brand this 10X foldout magnifier as a handy tool to inspect roots, fruits & leaves for damage caused by weather, insects & fungus.
The name "Agstar" is now associated with an EPA biogas recovery program using anaerobic digestors. Interestingly enough, scientists working in this area have used our ammonia, phosphate & nitrite/nitrate test strips with their bioreactors to monitor digestion efficiency.
Biogas is produced by anaerobic digestion of cattle, hog and poultry manure to reduce odors, pathogens and waste. Complex communities of bacteria break down this organic matter as well as wastewater biosolids, food waste, crop residues, fats oil & grease from restaurants, brewery waste, etc. to produce methane.
This biogas can then be used to produce electricity, heat & automotive fuel while the digestate (remaining solids) can be used in such diverse products as fertilizer, animal bedding, bioplastics & even plant pots.
One customer says this in a Google Review: "...the best field loupes for students studying geology & best price....".
We've offered this quality loupe since 2002. Buy a few & our delivered cost beats "free" shipping!
Need greater detail &/or a visual record? Read: Phone Camera Loupe “Dissecting Microscope” to magnify up to 50X & view the details on bugs, leaves, rocks, coins, stamps, snowflakes & more
Just the best on the market! Great quality, durability. I use this for more than 10 years with my students for field work.
We use this model in two introductory courses (a general geology course for engineers where 4 exercises cover minerals and rocks, and a mineralogy courses taken by a wide range of students in arts and science programs). Some students prefer its wider field of view to that of the other model we order from Indigo Instruments (their 17-mm glass lens, screw-hinged metal loupe). This loupe is durable, and can stand years of sharing among students learning their minerals and rocks in the classroom. Not designed to be worn on a lanyard, though.
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