Player One Astronomy Photosphere 10nm 1.25 inch Filter S-series

Player One Astronomy Photosphere 10nm 1.25″ Filter S-series

Player One S series filter using high quality optical glass substrate and multi-layer composite coating technology, which has excellent optical performance in astrophotography.

1.25inch Photosphere 10nm filter（Photosphere enhanced filter）

Photosphere filter is an assistant filter, telescope must use baader film or Herschel wedge for adequate reduction of sun light, then you can use this filter for imaging.

Photosphere filter is a narrowband filter, CWL is 540nm, bandwidth 10nm

Where should I setup my photosphere filter?

Usually, we recommand to setup your photosphere filter on T-mount, this also can help you against dust drop on camera glass.

• Specifications: 1.25 inch, thread M28.5*0.6
• Frame thickness: body 5mm+ thread 2mm, a total of 7mm
• Thickness of filter lens: 2mm
• Bandwidth: 10nm
• CWL (center wavelength): 540nm
• PV: 1/4 lambda
• Transmittance: ≈97%
• Blocking depth: OD3