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.
table.extra-information {background:#e0e0e0;margin:30px 0 60px 0;} table.extra-information th, table.extra-information td {font-weight:normal;text-align:left;padding-left:15px;background:#ffffff;font-family:Dotum;font-size:11px;height:28px;} table.extra-information th {width:15%;background:#f5f5f5;color:#515151;} table.extra-information td {width:35%;color:#666666;} 수입원 삼양테크 A/S 휴포레스트/삼양테크 KCC인증필 유무 해당없음 출시년월 2011.4.
배 율 : 7배율 대물 렌즈 지름 : 25mm 사출 동공 크기 : 3.6mm 실 시 야 각 : 6.5 ˚ 체 감 시 야 각 : 46 ˚ 최근접관측거리 : 10m 프 리 즘 타 입 : BAK-4 프리즘 렌즈 코팅 타입 : 풀리멀티코팅(전체풀코팅) 삼 각 대 장 착 : 쌍안경 거치대 별매 크 기 : 111 x 111mm (펼쳤을 경우) 81 x 111mm (접었을 경우) 무 게 : 396g 재 질 : 가벼볍고 튼튼한 합금, Rubber(충격방지,미끄럼방지) 방 수 : 결로방지 질소충진, 침수방수 구 성 품 : 스트랩, 케이스, 렌즈 커버 품 질 보 증 : 2년 7x25 WP Deep Sea, 100% waterproof and fogproof, Fully coated optics, BAK-4, Non-slip and ergonomic rubber design for a secure grip, Heavy-duty and shockproof rubber armor, Ideal for al
Specifications Fieldmicroscope Magnification (x) 20x (fixed) Optical system Upright, unreversed image; eyepiece diopter adjustable for right eye; 56-to-72mm interpupillary distance adjustment Field of vision (mm) 11 (diameter) Angle of view (º) 12.6 Vertical adjustment 50mm from the base of stage Eye relief (mm) 11.1 Plate Removal and reversible (top: flat; underside: built-in cup) Light source 2.5V-0.5A halogen lamp Light settings On/off Power source CR 123A lithium battery; approx. 1-hour bat