Flat4 draw tube adapter Gold (AD4-A006-L00GD03)
William Optics Flat4 draw tube adapter for 3" focuser (For 2007-2016 model only)
Flat4 draw tube adapter for FLT telescope models (98, 110, 132, and 152) for better connection also increase image circle and prevent vignetting!
Note: Not working for 3" V-Power focuser
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