Askar M54 Backfocus Adjuster ±2mm Backfocus Adjustment Professional Astronomical Accessory for Telescopes
Impossible de charger la disponibilité du service de retrait
Specifications
Brand
Technical specs
Design and durability
Askar M54 Backfocus Adjuster ±2mm Backfocus Adjustment Professional Astronomical Accessory for Telescopes
Description:
- In daily astronomical shooting, the backfocus will have an influence. Astronomical photographers are often frustrated by the change of backfocus due to various reasons such as refraction of filters or when using some products with sensitive backfocus. To solve this problem, the backfocus adjuster can be adjusted ±2mm of the backfocus (providing the adjustment range from 16mm-20mm). We offer two specifications for the backfocus adjuster, the camera side adapter M54 and M48, which are convenient for users to choose from.
- The M54 backfocus 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 backfocus 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 backfocus 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 backfocus adjuster, it can be adjusted between ±2mm to match the backfocus requirement, and to solve the various imaging problem caused by the backfocus.
- Users just need to choose according to their product's rear adapter.
Package Included:
- 1 x Backfocus Adjuster
- Businesses may need to employ various types of legal pages on their websites or mobile apps. Some, like Privacy Policies, are required by law, while others, such as a Terms and Conditions agreement (T&C), are not. Regardless of legal demands, you may find that your company needs one or more legal pages for compliance and optimal operation.
- In this article, we will go over the most common legal pages, walk you through a summary of what each requires, and explain why you may need it. In addition, you'll find a sample template for each type of legal page so you can quickly get started writing your own.
If you have any questions about this product, please let us know by filling out the form below, and we will contact you as soon as possible.