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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Inner diameter: 55mm (2pcs) & 58mm (2pcs)
fan at 70%
Install a signal amplifier to enhance the signal and extend the distance
The Ares cooled series is starting with a new design
ASKAR M54 to M48 Backfocus Adjuster Quintuplet Refractor Inner diameter: 55mm (2pcs) &ASKAR M54 to M48 Backfocus Adjuster for Enhanced Astronomical Imaging For those engaged in astronomical photography, managing backfocus is a critical challenge that can affect image quality. Variations in backfocus can arise from several factors, including filter refraction or the use of particular photography accessories that are sensitive to backfocus adjustments. ASKAR recognizes this issue and offers a practical solution with its M54 to M48
