SKU:57916987827
Antlia Sulfur II (SII) 2.5nm Ultra Narrowband 2" Filter (ANT-25-SII-2)
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
Description
Antlia Sulfur II (SII) 2.5nm Ultra Narrowband 2" Filter (ANT-25-SII-2)The Antlia SHO 2. 5nm Ultra series filters are made with quartz glass and undergo precisely controlled coating processes to ensure optimal performance. The 2. 5nm Ultra series is designed with a FWHM (full width half maximum) of 2. 5nm +0. 3 0. 1nm and a transmission efficiency >92 95% at the Central Wavelength. The quartz glass possesses an ultra low thermal expansion coefficient with outstanding thermal and mechanical properties. When combined with
as all unwanted light from other wavelengths than 656nm is blocked form UV up to the IR
Optical thickness of this adapter is just 3mm
from any smartphone
This part is machined and assembled exclusively for Tele Vue
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Motors provide more torque
if you use optics faster than f/2
faster focal ratio
TV-76-sized case with rigid foam for safely carrying your complete Ethos or Delos eyepiece collection and smaller types
like their size
The Celestron EclipSmart 10x42mm Solar Binoculars also provide a generous field of view
TeleVue has been known for producing visual instruments "even better than you imagined
Quick Dispatch:
Your Antlia Sulfur II (SII) 2.5nm Ultra Narrowband 2" Filter (ANT-25-SII-2) orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Antlia Sulfur II (SII) 2.5nm Ultra Narrowband 2" Filter (ANT-25-SII-2) ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy