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GSO M42 Spacers extension ring 30mm
รายละเอียด
GSO M42 Spacers extension ring 30mm
- Provides the missing backfocus length to help you achieve that perfect focus! This is an M42, also known as a T-thread or T-2 Extension.
- Length = 30 mm
- Particularly useful in setting the correct distance for astrophotographic elements (mainly cameras and guiders, OAG, projection connectors)
