SKY ROVER 2-inch Herschel Solar Filter Prism Observation of Bard Black Spot Eclipse

Tianhu Optics 2-inch Herschel Solar Filter is a high-quality accessory for observing the solar photosphere (white light observation). You can
It safely observes details on the solar photosphere, such as sunspots and their penumbra, bright spots, etc. Its imaging quality and safety
Full coverage and working life are the optimal choices among common accessories for solar white light observation.
For safe visual observation, the SKYROVER 2-inch Herschel solar filter is equipped with a polarization filter when it leaves the factory
Piece (2-inch interface, removable if necessary), you can change the brightness of the sun by rotating the eyepiece holder for comfort
Observation. If you want to use a camera for photography, you can remove the polarizing filter and choose not to use it or add it as needed
Adding other filters, such as a 540nm filter to improve contrast, will make it easier to capture rice grain tissue.
But due to the built-in ND3 density filter (at which point the imaging brightness is equivalent to 0.05% of the sun), if combined with a cutoff
Deeper filters may cause the image to appear darker.
Attention: Due to the limitations of the working mode of Herschel solar filters, please do not use them directly on reflective telescopes or catadioptric telescopes
On the telescope to avoid damage.

Model: 2-inch Herschel Sun Filter
Item number: # 29157
Interface specification: 2 inches
Aperture: 46mm
Occupation of light: about 125mm
Built in filter: ND3.0 (1/1000 transmittance, multi-layer broadband coating, cured)
CPL (adjustable dimming polarizer, multi-layer broadband coating, detachable if necessary)
The product includes: 2-inch Herschel solar filter x1, M54-M48 adapter x1
Volume: Approximately 170x163x125mm (length x width x height)
Net weight of the product: approximately 1000g