The Byomic erecting eyepiece has a magnification of 1.5 x and is suitable for telescopes with a diameter of 31.8 millimeters (1.25 inch). Telescopes and eyepieces turn the image upside down, but if you look at the stars, this is not a problem. By means of a erecting eyepiece you can put the image upright again, so that you can also use the telescope for observations on the land. You can also view birds or other objects with a telescope. You simply place the reversing prism into the eyepiece holder and place the eyepiece in the erecting eyepiece.
Usage byomic Erecting Eyepiece 1,5x
In addition to that the erecting eyepiece enlarge the image by 1.5x, it turns the image around so that your telescope is also suitable for making observations at country level in order to observe birds, for example.
Product safety information
Manufacturer information:
Byomic
Buitenvaart 1127a
7905 SE Hoogeveen
Niederlande
info@benel.nl
https://www.benel.de
Definition: The Water Column of a Tent
The water column indicates the maximum water pressure that a tent fabric can withstand.
A water column of 1,500 mm means that the tent fabric can withstand the pressure
of a 1,500 mm (1.5 meter) high column of water before water penetrates the fabric.
The higher it is, the more waterproof the tent material is.
Waterproofness
The water column is also a unit of measurement to measure the watertightness e.g.
B. of technical fabrics (tents, functional and rainwear).
DIN EN ISO 811:2018
regulates the method for determining the resistance to the penetration of water.
The following “hydrostatic water pressure test” must be carried out: The outside
of the material is exposed to the water. The water pressure starts at zero, the
water column rises by 100 mmWC or 600 mmWC per minute, depending on the standard.
The time is measured until the third drop can be seen on the inside. The pressure
that is acting at this point in time is then given in millimeters of water column.
Top tents are considered waterproof from 1500 mm
and tent floors from 2000 mm according to DIN.
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