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Player One Astronomy CH4 8nm 1.25″ Filter E-series
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Player One Astronomy CH4 8nm 1.25″ Filter E-series

Player One Astronomy CH4 8nm 1.25″ Filter E-series

$41.47

Original: $138.22

-70%
Player One Astronomy CH4 8nm 1.25″ Filter E-series—

$138.22

$41.47

The Story

Player One E-series is an upgrade series of S-series, using high quality optical glass substrate and multi-layer composite coating technology, producting with higher standard than S-series, optimized for CMOS/CCD camera, can provide very professional effect in astrophotography.

1.25″ CH4 8nm filter

Specifications: 1.25 inch, thread M28.5*0.6

Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm

Filter glass thickness: 1.85mm

Bandwidth: 8nm

CWL (center wavelength):889nm

PV: 1/4 lambda

Transmittance: ≈90%

Blocking depth: OD4

 

 

 

 

 

 

Description

Player One E-series is an upgrade series of S-series, using high quality optical glass substrate and multi-layer composite coating technology, producting with higher standard than S-series, optimized for CMOS/CCD camera, can provide very professional effect in astrophotography.

1.25″ CH4 8nm filter

Specifications: 1.25 inch, thread M28.5*0.6

Frame thickness: body 5mm+ thread 2.5mm, a total of 7.5mm

Filter glass thickness: 1.85mm

Bandwidth: 8nm

CWL (center wavelength):889nm

PV: 1/4 lambda

Transmittance: ≈90%

Blocking depth: OD4