説明

• M42 to M42 Mount Lens Adjustable Focusing Helicoid Macro Tube Adapter - 17mm to 31mm The all-metal adapter is designed to slot the lens securely, but can still be removed smoothly when now not essential Introduction: This tube helpful for lens without focusing ring And it can be use as macro extension tube There isn't any digital features within the adapter aperture and focusing must be manually management Material: aluminum alloy Made of Anodized Aluminum in Black finish with nice The size of this Helicoid tube is 17mm (min) to 31mm (max),it presents a total of 14mm movement distance for the lens focusing You can use M42 screw mount lenses, reminiscent of Carl Zeiss or Pentax 42mm screw mount lenses, and even enlarger lenses This Helicoid tube is useful for those lenses without focus ring, Tube offers superb focus management for macro images This focusing helicoid tube is made with 42mm entrance mount and standard 42mm rear mount and is made with light-weight alloy It can be used as Macro Barrel Automatic diaphragm, auto-focusing won't function properly whereas using this adapter Manual focusing with A/M mode metering is fine with the adapter Compatible With: M42 Lens & Camera Package Include: 1 X M42 to M42 Mount Lens Adjustable Focusing Helicoid Macro Tube Adapter - 17mm to 31mm Only the above kit content, different merchandise usually are not included Note: Light shooting and different exhibits could cause the colour of the object within the photograph a little different from the real thing The dimension allowed error is +/- 1-3cm

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