ZWO SII 7nm 2in Filter - The Binocular and Telescope Shop

ZWO SII 7nm 2英寸滤镜

SKU: ZWO-SII7nm2
Barcode: 40737861

$399.00

Available to order
Delivery time: Typically 3 weeks from order

Delivered to anywhere is Australia and New Zealand.
Orders placed before 2 PM are usually shipped the same day.
ZWO SII 7nm 2英寸滤镜

$399.00

$399.00

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Same day shipping

If you order before 2pm we will ship your items same day.
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Expert aftersales support

We fully support our products!
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Minimum 2-Year Warranty. 

+ extended manufacturer warranties
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Aussie Owned & Stocked

Our store is Australian owned and stocked.

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ZWO SII 7nm 2in 滤光片可使波长为 672nm 的光通过，带通为 7nm，专为星云观测而设计。它适用于对大多数发射星云、行星状星云和超新星遗迹进行目视观测，可与 H-alpha 和 OIII 窄带滤光片（SHO 套装）配合使用，用于三色 CCD 天文摄影。

技术数据

  • 半高宽：7±0.5nm
  • 精细光学抛光，确保两个表面均具有精确的 1/4 波前
  • SII 线 672nm 处透射率约为 90%（SII 滤光片）
  • 红外波长截止700-1100nm
  • 带外透过率 <0.1%，OD3（光密度）

透射曲线

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