Apertura 1.25" 13% Transmission Neutral Density Filter
With this ND91 Neutral Density Filter from Apertura, 13% of light is allowed to be transmitted through to your eyepiece. This provides excellent lunar views that are not overpowered by excess light and therefore exhibit much greater detail. The (neutral color) Density value for this filter is 0.89.
Capable of threading into 1.25" eyepieces, diagonals, and extension tubes, this ND91 Neutral Density Moon Filter also has threads on the top side to allow additional filters to be stacked so you can fully customize your observing experience!
This Product Comes with the Apertura Absolute Warranty!
- Two-Year Warranty against product defects.
- Three-Year Accident Replacement Program that begins after your initial 2 year warranty expires.
- Your Apertura Absolute Warranty is transferable.
Download a copy of the for more information on this program, how to make a claim, and why it is important to keep your original receipt and the product's original boxes & packaging!
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.
