Daystar Filters

Off-axis energy rejection filter (ERF) for Schmidt-Cassegrain Telescopes Safely isolates a smaller aperture for high-contrast solar viewing Availa...

Adapts Daystar Quark filters for use with 2" eyepieces Maximizes the field of view for full-disk solar observation Features a non-marring brass co...

Creates Uniform Flat Fields for Solar Imaging Spun Aluminum Mounting Ring for Durability High-Quality Polymer Diffuser Available for Telescope Tub...

Fits standard 2-inch focusers and visual backs Provides a male T-thread (M42x0.75) output Designed for front-mounting on Daystar filter systems En...

Connects SCT-threaded components to T-threaded accessories Designed for Daystar solar filter systems Enables direct camera attachment for solar im...

Directly Mounts TeleVue 4X Powermate to Daystar Quantum or ION Filters Replaces the Standard 2-inch Powermate Drawtube Significantly Shortens the ...

Dual focal reduction: 0.5x native and 0.33x with included extension Adapts 2" focusers to T-mount (M42x0.75) cameras Includes a 20mm T-threaded ex...

Eliminates Newton's Rings in monochromatic imaging Provides precise, adjustable tilt for your camera sensor Connects 2" focusers and diagonals to ...

Eliminates Interference Fringes (Newton's Rings) Adjustable Sensor Tilt Mechanism Maintains Focus and Framing During Adjustment Designed for C-Mou...

Connects Daystar Quark filters to M42 T-thread cameras Provides +/- 5 degrees of tilt to eliminate Newton's Rings Supports 17.5mm and 12.5mm back ...

Eliminates interference fringes (Newton's Rings) in monochromatic imaging Maintains image centering and focus by tilting around the sensor's cente...

Observe the unique Magnesium I (Mg I) solar spectral line All-in-one design fits standard 1.25" diagonals Integrated 4.2X telecentric Barlow lens ...

Adapts Nikon-mount lenses to Daystar Quark Solar Filters Enables H-alpha solar viewing and imaging with telephoto lenses Allows lens's zoom featur...

Directly connects a TeleVue 4x Powermate to Daystar Quantum or ION filters Creates a shorter, more rigid optical train for solar imaging Replaces ...

Targets the Calcium II H-Line Emission Optimized for Visual and Imaging Use Reveals Lower Chromospheric Detail Produces a High-Contrast Violet Ima...

Targets the Calcium II K-line at 393.3nm 2Å Bandpass for high-contrast chromospheric detail PE (Professional Edition) Grade for research applicati...

Adds 80mm of physical length to a 2" focuser Provides 85mm of additional outward focus travel Standard 2" male and female barrels Features a non-m...

Features 1.375"x24TPI female threads Designed for Daystar Quantum series solar filters Allows for custom mounting to telescopes and accessories Pr...

Description FAQ Specifications In the Box Downloads Warranty Daystar Quantum Front Flat T Plate The Daystar Quantum Front Flat T Plate is...

Enables off-axis solar imaging with Daystar Quantum filters on SCTs Features a standard female T-thread (M42x0.75mm) connection Precision-wedged t...

Bandpass options from 0.8Å down to 0.3Å for specific solar targets Live LCD readout of the precise wavelength output, accurate to 0.1Å Red/blue pu...

Choice of 0.7-0.9Å or 0.3-0.5Å Tunable Hydrogen-Alpha Bandpass SE (Standard Edition) Grade for Amateur and Academic Use Live LCD Wavelength Readou...

Observes in the rare Helium D3 line at 5875.61Å Ultra-narrow 0.3Å bandpass for maximizing contrast Professional Edition (PE) grade for research-le...