ASKAR M54&M48 Backfocus Adjuster
The M54 back focus adjuster’s front telescope interface is female thread M54x0.75 and the rear camera interface is male thread M54x0.75, the overall thickness is 18mm and offers ± 2mm adjustment range.
The M48 back focus adjuster’s front telescope interface is female thread M54x0.75 and the rear camera interface is male thread M48x0.75, the overall thickness is 18mm and offers ± 2mm adjustment range.
The back focus adjuster is CNC machined. Each unit is a 0.05mm precision adjustment, 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 back focus adjuster, it can be adjusted between ±2mm to match the back focus requirement, and to solve the various imaging problem caused by the back focus.
Users just need to choose according to their product’s rear adapter.
![](https://omo-oss-image.thefastimg.com/common/design/detail/182d9202-dba4-47dd-9ba8-780e1eed1518.jpg)
Specifications
Product Size Diagram |
M54/M48 Backfocus Adjuster Installation |
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