The BelOMO 7x Triplet Loupe magnifier has a viewing area of 22mm, much larger than the Bausch & Lomb Hastings 7x Triplet Magnifier. The 3 elements making up this achromatic triplet provide a bright and clear view. The 7x power magnification provides a nice level of magnification, outstanding depth of field (the area that appears in focus on an object having an irregular surface like a rock or mineral) and the large lens size captures lots of light for a very bright view.
The housing and cover are coated with a matte black finish and assembled using flathead screws. Screws allow you to adjust the swing tension to your liking. Belarusian Optical and Mechanical Association (BelOMA), makers of sights for guided weaponry, camera lenses, and other optical components manufacturers these loupes.
We highly recommend this loupe! The BelOMO loupes are the loupes we always use though it's the 10x that we typically carry in the field. The 7x has almost that magnification but provides a larger field of view. Of course the larger glass lens captures more light making the image even brighter and easier to see.
Don't let this price fool you. The BelOMO loupe is a FANTASTIC buy. These are quality lenses that stand on their own against the higher priced competition. Take advantage of the recovering Belarus economy and a military supplier finding other revenue streams in a capitalistic market.
Each BelOMO loupe we ship is custom treated to prevent the screws from coming loose with usage.
Heavy duty 3/4'' plain black nylon loupe lanyard with a quick release buckle and a split ring. This lanyard may be used for any purpose but we've had it custom manufactured specifically for use with the BelOMO loupe.
Important: We offer this lanyard for no additional charge when you buy the combo package of the BelOMO loupe with attached lanyard. Attaching the lanyard requires a screw to be removed so let us do it. We've been doing it for years and you save money!
Use the split ring on loupes with a mounting hook. To use the lanyard with a BelOMO loupe remove one screw on the support shaft of your BelOMO loupe, swivel the frame out of the way and slide the end over the support shaft then install the screw again. Don't use the split ring to attach the lanyard to the loupe. (We suggest that you purchase the loupe with the lanyard already installed.)
The colors, shapes and properties of minerals vary from the bland to the magnificent. Guide to Minerals, Rocks and Fossils is a practical and authoritative handbook that is both comprehensive and easy to use.
Each of the 600 specimens is shown in full color, sometimes in two or more forms. There are also drawings that show the structure of the crystalline specimens. It covers the basics like granite, as well as oddities like meteorites and tektites.
Fossils include sponges, corals, arthropods, brachiopods, and fossil land plants.
Each is described in detail, with notes on: - color and transparency - grain size - hardness - structure - occurrence - mineralogy - distinguishing features - habit - cleavage - texture - alteration - luster
Mineral names, chemical formulae and structural data accord to international standards. This is a very complete, but attractive and useful volume in a respected series.
Amateur Geologist note: This book originally was published by Cambridge under the title of Cambridge Guide to Minerals, Rocks and Fossils with this description: Whether hiking along a mountain trail, setting up camp in the field, or working in a garden, this is the definitive resource for anyone interested in identifying the rocks, minerals, or fossils they come across. Easily portable and with nearly 250 illustrations, with 145 in full-color, Cambridge Guide to Minerals, Rocks and Fossils is an indispensable handbook for amateur collectors and specialists alike. For each mineral, the authors explain and list the physical and optical properties, from crystal systems, hardness and fracture to color, transparency, and luster. They also discuss the occurrence of each mineral, as well as handy tips on their distinguishing features. For each type of rock, the Guide lists the color, color index, grain size, texture, structure, mineralogy, and field relations. In addition, for each fossil, the authors provide their corresponding type, age, and geographical distributions, along with detailed descriptions of their sizes and shapes. The clear, informative illustrations help elucidate technical concepts that often befuddle amateur collectors.
In this book two renowned experts share their lifelong passion for geodes and their extensive knowledge of world-class geode deposits as they present the latest theories on the formation and occurrence of these amazing mineral gifts of nature.
The most comprehensive book ever written on geodes of the Americas - a definitive reference for serious collectors and a delightful mineral exploration for both experts and novices.
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