Apertura Self-Centering 50 mm Extension Tube - 2"
The Apertura 2" Self-Centering 50 mm Extension Tube bolsters the existing focal length of your telescope by 50 mm. The CNC-machined tube has a total length of 85mm and diameter of 2". The barrel has been threaded to accept 2" filters. Designed for both visual observing and astrophotography, this extension tube uses helical compression mechanism to safely hold, and accurately center, your 2" accessory in place. You will not only have a centered accessory, you will find that operating this type of adapter is much easier, especially in the dark.
For all orders exceeding a value of 100USD shipping is offered for free.
Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.
Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.
