Binoculars & Telescopes › Alpine › Extension Tube

Alpine Astronomical Baader T-2 15mm Extension Tube Part of the Astro T-2 Modul... Alpine Astronomical Baader T-2 15mm Extension Tube Part of the Astro T-2 Modular System, Adds Spacing for System Components, Internal T-2 Threads at One End, External T-2 Threads at Other End, Stackable with Other T-2 Extension Tubes... more

Today's larger imaging sensors require more light and with the Alpine Astronom... Today's larger imaging sensors require more light and with the Alpine Astronomical Baader M48 Extension Tube you get it. Unlike the smaller more common T-2 size the larger M48 provides significantly more light throughput and its 5mm optical length... more