2-inch Extension Tube
Helps to obtain the correct backfocus for your viewing needs. Made for use with 2-inch (50.8mm) telescope eyepieces with M48 mounted filter threads (M48*0.75mm). Includes two thumbscrews that tighten a brass compression ring to prevent scratches to your eyepieces when clamping. Constructed from anodized aluminum.
Specifications
- Optical Length
- 60mm, 40mm
Variants (2)
- 60mm — 19.95 USD — In stock
- 40mm — 17.95 USD — In stock
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