There are a lot of affordable optics out there, but it takes an investment for a good thermal monocular. With spectacular advances in thermal technology over the last few years, these remarkable ...

disjunct apical disc, the posterior oculars separated from the remainder of the disc by plates of interambulacra 1 and 4 meeting along the aboral midline ocular plates II and IV meeting behind the ...

Achromatic lenses and semi-plan lenses are used to improve the alignment of colors at the focal point in order to provide a clearer image. They differ in terms of glass type, cost, and index of ...

Featuring a curved surround design that's more akin to a floating disc, the responsive touchscreen with its crisp graphics brings all necessary information to the driver's oculars with just a glance.

As a result, the surgeon does not have to rigidly constrain their head position to the microscope oculars anymore and instead can lean back in a relaxed and unconstrained position during surgery.

Everybody wants to know what goes bump in the night, even if it doesn’t bump and even if it’s not nighttime. Happily, thermal monoculars, a new and energetic category of gear, often identify what used ...

Spatangoids have an amphisternous or protoamphisternous plastron in which the first pair of plates following the labral plate are distinctly enlarged, and their apical disc never has oculars II and IV ...