T2 Thread Extension Tube M42x0.75 Photography Equipment for Telescope 20 mm Black
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Description
Amazon
please make sure this is the correct size and thread before purchasing; if you have any problems about your purchase , please don't hesitate to contact we'll make it right. the extension tube has a t2 interior thread and a t2 exterior thread for solving spacing problems in astrophotography and eliminates a range of focusing problems. use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners. please note : this is m42 (42mm) thread , not thread. fully metal construction and anodizing aluminum process , durable for long time use.
Description
(1)
please make sure this is the correct size and thread before purchasing; if you have any problems about your purchase , please don't hesitate to contact we'll make it right. the extension tube has a t2 interior thread and a t2 exterior thread for solving spacing problems in astrophotography and eliminates a range of focusing problems. use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners. please note : this is m42 (42mm) thread , not thread. fully metal construction and anodizing aluminum process , durable for long time use.
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