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URL: http://www.thaiexcite.com/Askar-Backfocus-Adjuster-M54-F-to-M48-M-with-variable-16mm-20mm-extension.html

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Askar Backfocus Adjuster M54(F) to M48(M) with variable 16mm-20mm extension

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รายละเอียด

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Askar Backfocus Adjuster M54(F) to M48(M) with variable 16mm-20mm extension

The M48 backfocus adjuster's front telescope interface is female thread M54x0.75 and the rear camera interface is male thread M48x0.75 (Please note that it is NOT M48 on both sides). The overall thickness is 18mm and it offers ± 2mm of adjustment range.

The backfocus adjuster is CNC machined. Each unit is a 0.05mm precision adjustment, and the surface is printed with a scale for easy adjustment and to save the position. There are two holes for fixing screws, which make the adjuster easy to use with different products.

By rotating the backfocus adjuster, it can be adjusted between ±2mm to match the backfocus requirement, and to solve the various imaging problems caused by the backfocus.