Easy blowing, High tone dog whistle, fitted with solid, waterproof pearl, to give a trill for those who want a distinctive and different sound. With a frequency that fluctuates by 750 Hertz. 210 Small ultra high pitch whistle has a natural cork ball which produces the familiar 'trilling' roll of the pea whistle. 210.5 Same as the 210 but with out the cork ball, produces a single extremely high frequency.
Easy blowing, High tone dog whistle, fitted with solid, waterproof pearl, to give a trill for those who want a distinctive and different sound. With a frequency that fluctuates by 750 Hertz. 210 Small ultra high pitch whistle has a natural cork ball which produces the familiar 'trilling' roll of the pea whistle. 210.5 Same as the 210 but with out the cork ball, produces a single extremely high frequency.
구경: 90mm 초점거리: 900 분해능: 1.3초 집광력: 157배 적정최고배율: 225배 접안부: 31.7mm 접안렌즈: MA9mm,MA25mm 마운트: 경위대 마운트 삼각대: 알루미늄삼각대 파인더: Red Dot Finder 사이즈: 970x850x270 총무게: 약 10Kg * 망원경 가방(이동형케이스) 사은품 제공