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Altair 15.5mm T2 Spacer Extension Tube Ring - Easy Grip for Astro cameras
$14.10
Extension Tube with a male and female M42x0.75 (T2) camera-accessory thread on each end.It has an Easy-Grip knurled ring for easier loosening / tightening.The spacer can be "stacked" with other...
Altair 15.5mm M48 Spacer Extension Tube Ring - Easy Grip for Astro cameras
$14.10
Extension Tube with a male and female M48x0.75 (M48) camera-accessory thread on each end.It has an Easy-Grip knurled ring for easier loosening / tightening.The spacer can be "stacked" with other...