Extension tube 4" extender for FLT series (110 and 132)

Practical 4" extension for FLT 110 and FLT 132: very useful if you use a CCD or need more dratube extension but still expect to flexure in your train. Fully anodized, and compatible with other similar telescopes. Male & female thread. It can accept the William Optics TMB field flattener for FLT. To mount on the telescopes, simply remove the 2" nosepiece adapter from the scope and thread the extender in.