Spotting Scopes: 5 Fast Facts
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Fact #1. The first spotting scope appeared as early as 1903. Today, most manufacturers offer scopes in both apochromatic and non-apochromatic versions. Apochromatic spotting scopes contain a specially-designed lens that helps remove chromatic aberrations. These are fringes of color along boundaries separating both the dark and bright portions of a given image. These types of scopes represent a cutting-edge form of the evolution of optical viewing technology.
Fact #2. If you're a photographer, hunter, or just love studying the environment around you, a spotting scope may be just the tool for you. Unlike large astronomical telescopes, spotting scopes are small, portable telescopes with added optics designed to present you with an upright image. They're optimized for terrestrial activities. This includes birdwatching, wildlife observation, and surveillance. Although their degree of magnification isn't as powerful as larger telescopes, they still provide a greater degree than you would ordinarily experience with a pair of binoculars.
Fact #3. The light-gathering power and resolution of a spotting scope is determined by the diameter of its refracting objective lens. The objective lens is typically between 2 and 3 inches in diameter. It has an image erecting system that uses any combination of prisms to deliver varying degrees of magnification power.
Fact #4. Spotting scopes usually include some type of mounting hardware for use with tripods. They also feature ergonomically-designed knobs for easy focus adjustments. Spotting scopes can include several interchangeable eyepieces, or they may come with a single eyepiece with variable zooming options.
Fact #5. Pay attention to the description of the lens coatings when shopping for a spotting scope. This can impact magnification quality. The idea behind using lens coatings is that they improve light transmission. This is important for a high-magnification instrument like a spotting scope. Many models have lenses that are fully coated, multi-coated, and fully multi-coated. Fully multi-coated lenses are found on most of the premium-grade versions.
Fact #1. The first spotting scope appeared as early as 1903. Today, most manufacturers offer scopes in both apochromatic and non-apochromatic versions. Apochromatic spotting scopes contain a specially-designed lens that helps remove chromatic aberrations. These are fringes of color along boundaries separating both the dark and bright portions of a given image. These types of scopes represent a cutting-edge form of the evolution of optical viewing technology.
Fact #2. If you're a photographer, hunter, or just love studying the environment around you, a spotting scope may be just the tool for you. Unlike large astronomical telescopes, spotting scopes are small, portable telescopes with added optics designed to present you with an upright image. They're optimized for terrestrial activities. This includes birdwatching, wildlife observation, and surveillance. Although their degree of magnification isn't as powerful as larger telescopes, they still provide a greater degree than you would ordinarily experience with a pair of binoculars.
Fact #3. The light-gathering power and resolution of a spotting scope is determined by the diameter of its refracting objective lens. The objective lens is typically between 2 and 3 inches in diameter. It has an image erecting system that uses any combination of prisms to deliver varying degrees of magnification power.
Fact #4. Spotting scopes usually include some type of mounting hardware for use with tripods. They also feature ergonomically-designed knobs for easy focus adjustments. Spotting scopes can include several interchangeable eyepieces, or they may come with a single eyepiece with variable zooming options.
Fact #5. Pay attention to the description of the lens coatings when shopping for a spotting scope. This can impact magnification quality. The idea behind using lens coatings is that they improve light transmission. This is important for a high-magnification instrument like a spotting scope. Many models have lenses that are fully coated, multi-coated, and fully multi-coated. Fully multi-coated lenses are found on most of the premium-grade versions.
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