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SV183 Filter Pass Filter 1.25 Inch 685nm Reduce The Effects of Seeing Planetary Photography Contrast Pass Filter 1.25

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$19.55

$ 9 .99 $9.99

In Stock

About this item

  • Fully reduce viewing and enhance contrast: With digital cameras, the Pass filter works well for solar imaging, reducing viewing and improving contrast when used for and planetary imaging.
  • The filter is made of light, strong metal and is machined, sandblasted, black anodized and then sculpted. The result is an ultra-thin filter with a net aperture of 26mm.
  • The Pass 685nm filter is made from high-end glass and is multi-coated using an ion-assisted deposition technique to ensure scratch resistance and central wavelength stability.
  • Filter darkens the for sky background to moon and planetary mages at or
  • The filter is located in a high-quality filter frame.


SV183 Filter Pass Filter 1.25 Inch 685nm Reduce the Effects of Seeing Planetary Photography Contrast pass filter 1.25
Features:
brand new and
Fully reduce viewing and enhance contrast: With digital cameras, the Pass filter works well for solar imaging, reducing viewing and improving contrast when used for and planetary imaging.
The Pass 685nm filter is made from high-end glass and is multi-coated using an ion-assisted deposition technique to ensure scratch resistance and central wavelength stability.
The filter is made of light, strong metal and is machined, sandblasted, black anodized and then sculpted. The result is an ultra-thin filter with a net aperture of 26mm.
Filter darkens the for sky background to moon and planetary mages at or
In addition to astronomical applications, ir-Pass filters can also be used for near-infrared nature photography to reveal surprising differences in skies and clouds (requiring the use of a camera sensitive to 670nm, such as as a modified DSLR or webcam).
The filter is located in a high-quality filter frame.
Specifications:
Material: B260
Size: 3.18cm/1.25in
Substrate Thickness: 1.1mm
Optical Aperture: 26mm
Wavelength Range: 350-1100nm
Cut-off Wavelength: 670nm
Light blocking: OD2@400-660nm
for transmission: 670nm @ for T = 50% 673-1100nm @ T> 95%
Surface quality: 60/40
Surface parallelism: 1/4 λ
Parallelism: 30 inches
Material: Aviation aluminum 6061T6
Thread: M28.5 x 0.6
Single thread: Yes
Package Includes:
1 X Filter
Note:
Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item.