The ring adapter can't auto focusing :The adapter ring has no electrical connection and diaphragm & focusing are required to be set by manual. 1 X Photography Extension Tube. Thread: Both the adapter are universal M42x0.75 thread.
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Material und Stabilität: CNC-gefräste Aluminiumlegierung, leicht und dennoch vibrationsarm, geeignet für langbelichtete Deep-Sky-Fotografie.
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M48 external thread: 3MM. - M48 internal thread: 5MM. Usually it costs about 30USD-50USD.
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1 Piece 42mm Spotting Scope Mount Adapter. - Thread: Both the Adapter are Universal M42x0.75 Thread.
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Typically used for imaging nebulae, galaxies and other large (but dim) deep sky objects. The projected image size increases with distance, similar to a flashlights beam. A "Variable" Projection adapter allows you to change the projection distance.
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Photos are of the item that you will receive. It has been stored in our smoke free home. Binding is tight. There are no markings, tears or dog ears to the pages. However, there is evidence of very mild water damage to the upper portions of the pages. However, this does not interfere with the content. Pages are white and crisp. Photos of Table of Contents as well as representative pages are included. Please review.
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Is the equatorial mount battery sufficient?. - 1 x Set of Equatorial Mount. Precision Influence Factor and Solutions - Balance kit: 2.3kg. - Base weight: 0.45kg. - Main body weight: 1kg.
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Material und Stabilität: CNC-gefräste Aluminiumlegierung, leicht und dennoch vibrationsarm, geeignet für langbelichtete Deep-Sky-Fotografie.
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