SVBONY SV132 Astronomical Filter Lens 2 Inch 25nm H-Beta for Nebula Observation Astronomical Telescope Accessories
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- Model: SV132
- Type: H-Beta
- Size: 2 inches
- Substrate: B270
- Substrate thickness: 1.85mm
- Wavelength range: 400-700nm
- CWL: 486nm±2nm
- Half-height width: 25nm±2nm
- T peak: 90%
- Blocking: OD3 @300-1100nm
- Clear aperture: 44mm
- Surface quality: 60/40
- Surface parallelism: 1/4λ
- Parallelism: 30′
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When you order from Alexnld.com, you will receive a confirmation email. Once your order is shipped, you will be emailed the tracking information for your order’s shipment. You can choose your preferred shipping method on the Order Information page during the checkout process. Alexnld.com offers 3 different international shipping methods, Airmail, Airmail registered and Expedited Shipping Service, following are delivery times:
|Airmail and Airmail Registered||Area||Time|
|United States, Canada||10-25 business days|
|Australia, New Zealand, Singapore||10-25 business days|
|United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland||10-25 business days|
|Italy, Brazil, Russia||10-45 business days|
|Other countries||10-35 business days|
|Expedited Shipping||7-15 business days to Worldwide|
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