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Most compact binoculars feature magnifications of 7× to 10×, and objective diameter sizes of a relatively modest 20 mm to 25 mm, resulting in small exit pupil sizes limiting low light suitability. Roof prism designs tend to be narrower and more compact than equivalent Porro prism designs.
A stereoscopic rangefinder or stereoscopic telemeter [1] is an optical device that measures distance from the observer to a target, using the observer's capability of binocular vision. It looks similar to a coincidence rangefinder, which uses different principles and has only one eyepiece. German instruments tended to use the stereoscopic ...
Infobox references. 1,8-Diazabicyclo [5.4.0]undec-7-ene, or more commonly DBU, is a chemical compound and belongs to the class of amidine compounds. It is used in organic synthesis as a catalyst, a complexing ligand, and a non-nucleophilic base. [3]
The tusk measures about 4 feet (1.2 meters) and weighs 70 pounds (31 kilograms), Lundberg said, and was found at a depth of about 25 feet (7.6 meters) near Venice, Florida.
Wray (Optical Works) Ltd. Wray (Optical Works) Ltd. was a British camera and lens manufacturer based in Ashgrove Road, Bromley, Kent, UK. It operated from 1850 to 1971, making lenses for cameras, photographic enlargers, reconnaissance, mapping, microchip replication, and an anamorphic projection system for cinemas. It also made binoculars.
Once Upon a Time season 7. Once Upon a Time. season 7. The seventh and final season of the American ABC fantasy - drama series Once Upon a Time was ordered on May 11, 2017. [1] It premiered on October 6, 2017, and consisted of 22 episodes, having aired on Fridays instead of Sundays in prior seasons. [2] The season marked a significant change ...
If a kiosk or other tech-based payment system prompts people to select 20%, 25%, and 28% tips instead of the traditional 10%, 15%, and 20%, it can create a culture of overtipping.
June 21, 2024 at 7:46 AM. Michael Nagle/Bloomberg/Getty Images. Amazon is eliminating the use of the puffy plastic air pillows used in delivery boxes, joining other major companies that are ...