Vol. XVIII · Free shipping $75+ · Read the collection
Login Register
Feature · Product Review

91F Flat-Field ADM For advanced users with additional

91F Flat-Field ADM For advanced users with additionalThe Askar 91F is an OTA with an aperture of 91mm, a focal length of 609mm, and a native focal ratio of F6. 7. The optical design of the Askar 91F features a four element configuration (three elements in the front and one in the rear), including one piece of ED glass which can effectively reduce chromatic aberration. The Askar 91F supports 44mm full frame imaging with great performance of the surrounding star points. The Askar 91F is a self flattened

SKU: 551305732 · From brudezeceramics.com

4.3
USD499.50 USD526.50

Pay in 4 interest-free payments of $124.88 Learn more

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

Description

For advanced users with additional guiding hardware

Schott substrate material

At the time of listing

Optical Head

91F Flat-Field ADM For advanced users with additionalThe Askar 91F is an OTA with an aperture of 91mm, a focal length of 609mm, and a native focal ratio of F6. 7. The optical design of the Askar 91F features a four element configuration (three elements in the front and one in the rear), including one piece of ED glass which can effectively reduce chromatic aberration. The Askar 91F supports 44mm full frame imaging with great performance of the surrounding star points. The Askar 91F is a self flattened

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

You may also like

recommand products