Sigma 15mm f/2.8 EX DG for Canon
Sharp given the nature of fisheye lenses, very lightweight and sturdy.
Actually I purchased this lens with a Sony mount however I am certain the optics are the same for Canon. I recently sold a Sigma 15mm f/2.8 lens with a Nikon mount. I really liked that lens and tried to find a company to re-fit it for my Sony alpha 900 and there was no one (...Read full review
Microscope Objective Lens Adjustable Extension Adapter
not a good idea to use this
This item is an extension for using a microscope objective that is shorter than the column length on the microscope to be used. There are 3 problems. Firstly when screwed into the turret of the scope you cant turn your turret to another lens as the internal flange impacts ag...Read full review
Temperature Gun Non-contact Infrared IR Laser Digital Thermometer -58 F to 932 F
I am an amateur crystallographer and make crystals on microscope slides for viewing with polarized light. I need quick temperature readings of surfaces and solutions and a classical mercury thermometer is way too slow. I don't need accuracy better than +/- 2 degrees centigra...Read full review