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Telescope versus binoculars

Apexeloptic2022-04-21T06:20:20+00:00
Binoculars, Telescope

The telescope consists of a large tube.  Some types and models of telescopes require or are equipped with tripods, while others have sturdy bases.  Binoculars are much smaller and lighter than telescopes.  Binoculars have two eyepieces and thus provide a two-eye view.  In this guide, we will look at the comparison of binoculars and telescopes.  

Telescope versus binoculars  

1. Cost  

If you can’t afford a telescope, binoculars are recommended.  Binoculars may be smaller, of course, but just like telescopes, the bigger they are, the better quality they are, and the more expensive they are.  Some smaller binoculars with good optical performance can cost more, sometimes three to four times as much, than telescopes in the entry-level market.  So comparing the costs of the two by “size” alone is not a fair measure.  

natural beautiful scenery

2. The aperture  

Aperture is the diameter (in millimeters) of the objective lens in binoculars and the main concentrating objective or reflector in a telescope.  When you see two numbers separated by an “X”, you can identify the aperture in the model name or binoculars specification.  For example, 10 times 42. 

The second number identifies the aperture.  With a telescope, it may be measured in millimeters or inches in the model name.  Binoculars will have smaller apertures than telescopes.  The aperture of astronomical binoculars should be between 42 mm and about 100 mm.  42mm should be the minimum, while 100mm is about the maximum and is already expensive and may be difficult to use.  

50mm is a good general size and can be used hand-held if your hand is stable and experienced.  Otherwise, they should be mounted on tripods in the field for stable visibility.  Telescopes come in a variety of sizes, from as small as 50 millimeters to as large as 16 inches or more.  As a result, they can “collect” more light than binoculars and be used to achieve higher magnification.  

3. The amplification  

Magnifying glasses allow you to see distant objects as if you were closer to them.  Both optical devices provide magnification.  The magnification factor can be identified in the telescope type name or specification by two numbers separated by an “X”.  

For example, 10 times 42.  The second number is the aperture and the first number indicates the magnification setting.  Most binoculars have fixed magnification, which means they cannot “zoom”.  

To determine the magnification of a telescope, you must know the size of the eyepiece.  Because telescopes allow multiple eyepieces, and you should have multiple eyepiece sizes, you can achieve low, medium, and high magnification.  

Binoculars have an advantage because they provide low power (compared to telescopes), which means a wider field of view and you can fit larger objects into the space you’re looking at.  It might also allow hand-held use, but it’s still hard to be 10x stable when you’re looking for small targets in the sky that are harder to identify.  

The image stability provided by telescopes with interchangeable eyepieces and mounting platforms provides an even greater advantage.  They can provide higher magnification than fixed power binoculars.  

natural beautiful scenery

4. Portable size  

Binoculars are smaller than telescopes.  Like telescopes, the larger the aperture, the heavier the range — and the price that comes with it.  Although the telescope is much heavier than binoculars, you have the advantage of not having to hold the telescope because the stand and tripod or base will do it for you.  However, you still need to transport, set up, and disassemble it.  Binoculars are very convenient for travel and instant use.  

Both telescopes and astronomical binoculars have a place in your toolbox, and they should not be seen as substitutes for one or the other, as both have their unique advantages and disadvantages.  It is for these reasons that most people who are interested in astronomy and practice regularly have at least one telescope and a pair of binoculars.  

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