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Shooting Glasses
Shooting glasses are specialized corrective glasses for use in shooting and are used almost exclusively in sport shooting competitions. Like other glasses, they are worn in front of the eyes to compensate for the shooter's ametropia with optical lenses. Functions In contrast to most other eye glasses, shooting glasses usually only have one lens that corrects the ametropia of the dominant eye, which is used for aiming. This lens is selected in such a way that the maximum visual acuity lies on the font sight line element near the muzzle of the (non-magnifying) open type or diopter and globe type match sight line elements to get three points positioned in three different optical planes in acceptably sharp focus at the same time. This is necessary because the shooter can influence the weapon and sight line elements and not the target. It is accepted that the target is not seen with maximal visual acuity during the – especially when using open sights used in pistol events and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shooting Glasses For Sport Shooting
Shooting is the act or process of discharging a projectile from a ranged weapon (such as a gun, bow, crossbow, slingshot, or blowpipe). Even the acts of launching flame, artillery, darts, harpoons, grenades, rockets, and guided missiles can be considered acts of shooting. When using a firearm, the act of shooting is often called firing as it involves initiating a combustion ( deflagration) of chemical propellants. Shooting can take place in a shooting range or in the field, in shooting sports, hunting, or in combat. The person involved in the shooting activity is called a shooter. A skilled, accurate shooter is a ''marksman'' or ''sharpshooter'', and a person's level of shooting proficiency is referred to as their ''marksmanship''. Competitive shooting Shooting has inspired competition, and in several countries rifle clubs started to form in the 19th century. Soon international shooting events evolved, including shooting at the Summer and Winter Olympics (from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
10 M Air Pistol
The 10 meter air pistol is an Olympic shooting event governed by the International Shooting Sport Federation (ISSF). It is similar to 10 meter air rifle in that it is shot with 4.5 mm (or .177) caliber air guns at a distance of 10 metres (11 yards), and that the match consists of a qualification round of 60 competition shots within 75 minutes. If an Electronic Scoring System (EST) is not available, 15 minutes are added to the time limit. Competitors are allowed to shoot an unlimited amount of shots during the 15 minutes preparation and sighting time. Along with the 50 meter pistol, it is considered a precision shooting event. Thus, numerous shooters compete in both events. There are some restrictions on the pistol regarding its dimensions, weight and trigger pull weight. It must be operated by one hand only from a standing, unsupported position. The shooter decides his or her own tempo as long as the maximum time is not exceeded. After the qualification round, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shooting Sports Equipment
Shooting is the act or process of discharging a projectile from a ranged weapon (such as a gun, bow, crossbow, slingshot, or blowpipe). Even the acts of launching flame, artillery, darts, harpoons, grenades, rockets, and guided missiles can be considered acts of shooting. When using a firearm, the act of shooting is often called firing as it involves initiating a combustion ( deflagration) of chemical propellants. Shooting can take place in a shooting range or in the field, in shooting sports, hunting, or in combat. The person involved in the shooting activity is called a shooter. A skilled, accurate shooter is a ''marksman'' or ''sharpshooter'', and a person's level of shooting proficiency is referred to as their ''marksmanship''. Competitive shooting Shooting has inspired competition, and in several countries rifle clubs started to form in the 19th century. Soon international shooting events evolved, including shooting at the Summer and Winter Olympics (from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sports Equipment
Sports equipment, sporting equipment, also called sporting goods, are the tools, materials, apparel, and gear used to compete in a sport and varies depending on the sport. The equipment ranges from balls, nets, and protective gear like helmets. Sporting equipment can be used as protective gear or a tool used to help the athletes play the sport. Over time, sporting equipment has evolved because sports have started to require more protective gear to prevent injuries. Sporting equipment may be found in any department store or specific sporting equipment shops. History and development of sports Historically many sports players have developed their own sporting equipment over time. For instance, the use of a football dates back to ancient China, between 225 BC and 220 AD. As football remains the most popular sport in the 21st century, the material of the ball has completely changed over the centuries; from being made out of animal skin, to being lined with multiple layers of polyes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Protective Gear
Personal protective equipment (PPE) is protective clothing, helmets, goggles, or other garments or equipment designed to protect the wearer's body from injury or infection. The hazards addressed by protective equipment include physical, electrical, heat, chemicals, biohazards, and airborne particulate matter. Protective equipment may be worn for job-related occupational safety and health purposes, as well as for sports and other recreational activities. ''Protective clothing'' is applied to traditional categories of clothing, and ''protective gear'' applies to items such as pads, guards, shields, or masks, and others. PPE suits can be similar in appearance to a cleanroom suit. The purpose of personal protective equipment is to reduce employee exposure to hazards when engineering controls and administrative controls are not feasible or effective to reduce these risks to acceptable levels. PPE is needed when there are hazards present. PPE has the serious limitation that it do ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corrective Lenses
A corrective lens is a lens (i.e. a transmissive optical device) that is typically worn in front of the eye to improve daily vision. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye. Contact lenses are worn directly on the surface of the eye. Intraocular lenses are surgically implanted most commonly after cataract removal but can be used for purely refractive purposes. Prescription of corrective lenses Corrective lenses are typically prescribed by an ophthalmologist or an optometrist. The prescription consists of all the specifications necessary to make the lens. Prescriptions typically include the power specifications of each lens (for each eye). Strengths are generally prescribed in quarter- diopter steps (0.25 D) because most people cannot generally distinguish between smaller increments (e.g., eighth-diopter steps / 0.125 D). The u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
50 Meter Rifle Three Positions
5 (five) is a number, numeral and digit. It is the natural number, and cardinal number, following 4 and preceding 6, and is a prime number. It has attained significance throughout history in part because typical humans have five digits on each hand. In mathematics 5 is the third smallest prime number, and the second super-prime. It is the first safe prime, the first good prime, the first balanced prime, and the first of three known Wilson primes. Five is the second Fermat prime and the third Mersenne prime exponent, as well as the third Catalan number, and the third Sophie Germain prime. Notably, 5 is equal to the sum of the ''only'' consecutive primes, 2 + 3, and is the only number that is part of more than one pair of twin primes, ( 3, 5) and (5, 7). It is also a sexy prime with the fifth prime number and first prime repunit, 11. Five is the third factorial prime, an alternating factorial, and an Eisenstein prime with no imaginary part and real part of the form 3 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Daniel Lowe
Daniel Lowe (born November 18, 1992) is an American sports shooter. He competed in the men's 10 metre air rifle and 50 metre rifle three positions 50 meter rifle three positions (formerly known as one of four free rifle disciplines) is an International Shooting Sport Federation event, a miniature version of 300 meter rifle three positions. It consists of the kneeling, prone, and standing ... events at the 2016 Summer Olympics. References External links * 1992 births Living people American male sport shooters Olympic shooters for the United States Shooters at the 2016 Summer Olympics Place of birth missing (living people) {{US-sportshooting-bio-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
10 M Air Rifle
10 metre air rifle (N.B. For "Meter" in this article – read "Metre") is an International Shooting Sports Federation (ISSF) shooting event, shot at a bullseye target over a distance of using a calibre air rifle with a maximum weight of . It is one of the ISSF-governed shooting sports included in the Summer Olympics since the 1984 Los Angeles Games. Shots are fired from the standing position only, as opposed to some other airgun disciplines such as for three positions (popular in the United States) or in disabled sports, which allows sitting and prone positions. Due to the low recoil of air guns and the need for stability, the shooter frequently adopts a deliberately lordotic and scoliotic posture, which allows the non-dominant elbow to be rested against the chest to support the forearm and improves the stability of the shooting stance. The use of specialized rigidly padded vest is allowed to prevent chronic back injury, which can be caused by prolonged asymmetric lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
25 M Pistol
25 meter pistol, formerly and unofficially still often known as sport pistol, is one of the ISSF shooting events. It was devised as a women's event in the 1960s, based upon the rules of 25 meter center-fire pistol but shot with a .22-caliber sport pistol instead of the larger-caliber guns men used. As with all ISSF pistol disciplines, all firing must be done with one hand, unsupported. In 1984, female shooting competitions began in the Olympic Games, and so sport pistol made its way into the Olympic program. Internationally, it is still only shot by women and juniors, while men have center-fire pistols instead. However, in many countries, there are also male classes in 25 meter pistol on the national level and lower. As 25 meter pistol is Olympic, it involves shooting a final, which the center-fire event does not. The top eight contestants reach the final, which consists of four additional rapid-fire stage series of 5 shots each. The final score is added to the qualification sc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Elizabeth Callahan
Elizabeth "Libby" Callahan (born February 25, 1952) is an American sport shooter. She is a four-time Olympian, and a two-time medalist for pistol shooting at the Pan American Games (1991 in Havana, Cuba and 1999 in Winnipeg, Manitoba, Canada). She also worked as a police officer in Washington, D.C. for almost three decades, before retiring in 2003. Shooting career Callahan, born in Columbia, South Carolina, started out her sporting career in 1980, when she learned shooting with the Metropolitan Police Department in Washington D.C. She went on to become a five-time women's police revolver champion in various local competitions, until she took up international, Olympic-style shooting, after joining the U.S. Army reserve in 1985. Three years later, Callahan became a member of the U.S. national shooting team, and had achieved numerous titles and top-ten finishes at the USA Shooting National Championships. She captured three more medals (one silver and two bronze) in air and pisto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Olfa Charni
Olfa Charni (born 24 May 1980) is a pistol shooter from Tunisia. She won the individual 10 meter air pistol and 25 meter pistol at the 2011 Pan Arab Games and 2011 and 2015 African Championships, and qualified for the 2016 Summer Olympics in these events. She competed at the 2020 Summer Olympics The , officially the and also known as , was an international multi-sport event held from 23 July to 8 August 2021 in Tokyo, Japan, with some preliminary events that began on 21 July. Tokyo was selected as the host city during the 1 .... References External links * Living people 1980 births Tunisian female sport shooters Olympic shooters for Tunisia Shooters at the 2016 Summer Olympics Shooters at the 2020 Summer Olympics 21st-century Tunisian women 21st-century Tunisian people Arab Games gold medalists {{Tunisia-sportshooting-bio-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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