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71F Flat-Field Diagonal The objective lens features a

71F Flat-Field Diagonal The objective lens features aThe Askar 71F is an OTA with an aperture of 71mm, a focal length of 490mm, and a native focal ratio of F6. 9. The Askar 71F adopts a quadruplet air spaced APO lens design, including one piece of ED glass which can effectively reduce chromatic aberration. The Askar 71F supports 44mm full frame imaging with great performance of the surrounding star points. The Askar 71F is a self flattened design that allows users to avoid calculating the back focus and

SKU: 68818870906 · From ldesquadrias.com.br

4.6
USD299.50 USD341.50

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Description

The objective lens features a sextuplet air-spaced APO design and includes two pieces of ED glass

durable design engineered for smooth

14-bit ADC– giving high dynamic range of 13 stops

C92  |  ASKAR SQA55 +  ZWO ASI2600MM Pro

but have natural colors

71F Flat-Field Diagonal The objective lens features aThe Askar 71F is an OTA with an aperture of 71mm, a focal length of 490mm, and a native focal ratio of F6. 9. The Askar 71F adopts a quadruplet air spaced APO lens design, including one piece of ED glass which can effectively reduce chromatic aberration. The Askar 71F supports 44mm full frame imaging with great performance of the surrounding star points. The Askar 71F is a self flattened design that allows users to avoid calculating the back focus and

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