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Speciality filters for everything else: UV/IR cut, Venus, Solar (white-light or Ca-K), methane (CH4), planetary contrast filters

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9 products

Anti-Halo 2 inch UV IR-CUT Filter

Anti-Halo 2 inch UV IR-CUT Filter

R 1 290.00

Player One

UV/IR-cut (visible-pass) filter: ≥ 95% transmittance
Blocking depth OD 4.0 (outside 400-700 nm)
Frame ~7.5 mm thick (5 mm body + 2.5 mm thread); glass 1.85 mm

CH4 8nm 1.25 inch Filter E-series

CH4 8nm 1.25 inch Filter E-series

R 2 990.00

Player One

CH4 Methane filter: CWL 889 nm, 8 nm bandwidth
Threaded 1.25″ filter: M28.5×0.6
Transmittance ≈ 90%, OD 4 blocking

UV IR-CUT 1.25 inch Filter S-series

UV IR-CUT 1.25 inch Filter S-series

R 390.00

Player One

UV/IR cut: 420-680 nm passband
1.25″ threaded (M28.5×0.6)
Protects sensors and color accuracy

ERF 1.25 inch Filter S-series for Quark Chromosphere

ERF 1.25 inch Filter S-series for Quark Chromosphere

R 1 090.00

Player One

Energy rejection for solar Hα imaging
Reflects IR/UV, reduces glare & heat
1.25″ threaded (M28.5×0.6)

ERF 2 inch Filter S-series for Quark Chromosphere

ERF 2 inch Filter S-series for Quark Chromosphere

R 2 250.00

Player One

Energy rejection filter for solar Hα imaging
Reflects UV/IR; enhances contrast
2″ threaded (M48x0.75)

IR685nm 1.25 inch IR-Pass Filter S-series

IR685nm 1.25 inch IR-Pass Filter S-series

R 550.00

Player One

IR pass above 685 nm
M28.5×0.6 1.25″ thread
Improves lunar/planetary clarity

IR850nm 1.25 inch IR-Pass Filter S-series

IR850nm 1.25 inch IR-Pass Filter S-series

R 550.00

Player One

IR long-pass >850 nm
M28.5×0.6 1.25″ thread
Blocks visible light

Photosphere 7.5nm 1.25 inch Filter E-series

Photosphere 7.5nm 1.25 inch Filter E-series

R 2 250.00

Player One

Hα 656.3 nm ±7.5 nm
Transmission ≥ 90%
M28.5×0.6 1.25″ thread

UVenus 1.25 inch UV-PASS Filter E-series

UVenus 1.25 inch UV-PASS Filter E-series

R 3 250.00

Player One

UV pass: 320-380 nm
Transmission ≥ 85-90%
M28.5×0.6 1.25″ thread