70mm
在摄影器材领域，各大知名品牌都有着自己的风格。而尼康的风格是最独特的——不出手则已，一出手必然一鸣惊人。如今距离上次尼康的新品发布已经有将近一年，人们对于尼康新品的期待值也越来越高
产品间距 请选择产品间距 2.50mm 2.54mm 3.50mm 3.81mm 4.57mm 5.00mm 5.08mm 5.00/5.08mm 6.35mm 7.50mm 7.62mm 8.00mm 8.255mm 8.50mm 9.00mm 9.10mm 9.525mm 10.00mm 10.16mm 11.00mm 11.10mm 11.125mm 12.00mm 12.70mm 13.00mm 14.27mm 14.50mm 14.70mm 15.00mm 15.88mm 16.00mm 20.00mm 21.00mm 27.00mm
产品间距 请选择产品间距 2.50mm 2.54mm 3.50mm 3.81mm 4.57mm 5.00mm 5.08mm 5.00/5.08mm 6.35mm 7.50mm 7.62mm 8.00mm 8.255mm 8.50mm 9.00mm 9.10mm 9.525mm 10.00mm 10.16mm 11.00mm 11.10mm 11.125mm 12.00mm 12.70mm 13.00mm 14.27mm 14.50mm 14.70mm 15.00mm 15.88mm 16.00mm 20.00mm 21.00mm 27.00mm
分享你的喜好: 与 Nikon F-mount 一样，Z-mount 同样能做到内部对焦和变焦。Nikon 称镜头对焦呼吸效应（lens focus breathing) 减至最少。加上 NIKKOR Z 70-200mm 是近焦镜头，可以在变焦时保持聚焦
人造草坪的制作材料及选择人造草坪的制作材料一般有两种：聚丙烯和聚乙烯。PP材料的人造草坪坚实，缓冲力较小，一般适用于冲击力较小的运动项目如网球等。而PE材料的人造草坪质地柔软，缓冲性能良好，对运动员的伤害作用小，适用于冲击力较大的运动项目如足球、橄榄球等
产品间距 请选择产品间距 2.50mm 2.54mm 3.50mm 3.81mm 4.57mm 5.00mm 5.08mm 5.00/5.08mm 6.35mm 7.50mm 7.62mm 8.00mm 8.255mm 8.50mm 9.00mm 9.10mm 9.525mm 10.00mm 10.16mm 11.00mm 11.10mm 11.125mm 12.00mm 12.70mm 13.00mm 14.27mm 14.50mm 14.70mm 15.00mm 15.88mm 16.00mm 20.00mm 21.00mm 27.00mm
产品间距 请选择产品间距 2.50mm 2.54mm 3.50mm 3.81mm 4.57mm 5.00mm 5.08mm 5.00/5.08mm 6.35mm 7.50mm 7.62mm 8.00mm 8.255mm 8.50mm 9.00mm 9.10mm 9.525mm 10.00mm 10.16mm 11.00mm 11.10mm 11.125mm 12.00mm 12.70mm 13.00mm 14.27mm 14.50mm 14.70mm 15.00mm 15.88mm 16.00mm 20.00mm 21.00mm 27.00mm
线切割机很难切割大厚度。不是线框能升多高，而是能剪多厚。由于电火花加工条件的限制，当电火花加工厚度达到一定程度时，加工将变得非常不稳定，直到出现电流短路而没有放电为止
1.门扇厚度为45mm，已达到国际标准，也是五星级家居装潢的标准。 2.隔音可达到80分贝的完美效果。 3.门扇实木方（网格式）填充，重量相当于部分厂家两个门的重量，开门关门都有很好的手感
产品间距 请选择产品间距 2.50mm 2.54mm 3.50mm 3.81mm 4.57mm 5.00mm 5.08mm 5.00/5.08mm 6.35mm 7.50mm 7.62mm 8.00mm 8.255mm 8.50mm 9.00mm 9.10mm 9.525mm 10.00mm 10.16mm 11.00mm 11.10mm 11.125mm 12.00mm 12.70mm 13.00mm 14.27mm 14.50mm 14.70mm 15.00mm 15.88mm 16.00mm 20.00mm 21.00mm 27.00mm