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 22 of 68 
Orion Telescopes
Advanced
Orion 1.25" Dark Frame Imaging Filter
$19.99
 
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In Stock
  • Capture dark frames quickly to optimize astrophoto quality
  • Easily eliminate camera noise and "hot pixels"
  • Opaque filter blocks all light from imaging camera sensors
  • Allows automated dark frame capture when used with an optional filter wheel or slider
  • Threaded for use with 1.25" camera nosepieces, 1.25" filter wheels, and 1.25" filter sliders


Learn more
Item #  05451

Optimize your astrophotos and completely eliminate camera noise and "hot pixels" with this opaque filter. It blocks all light from your camera's imaging sensor, making dark frame acquisition easy.

Pesky camera noise can ruin astrophotos by leaving distracting bright spots and unwanted fixed patterns on your captured exposures. Dark frame acquisition helps remedy such noise and "hot pixels" by canceling out these disruptive effects during image processing. This handy filter ensures your acquired dark frames will be completely free of unwanted stray light and reflections for great results. 

Figure 1. M42 close-up, data frame

Figure 1. M42 close-up - data frame (light frame) showing dark current "noise" and "hot pixels."


 

Figure 2. M42 close-up, dark frame

Figure 2. M42 close-up - dark frame showing dark current "noise" and "hot pixels."


 

Figure 3. M42 close-up, calibrated data frame

Figure 3. M42 close-up - calibrated data frame (light frame) after dark frame removal."


 

Figure 4. M42 close-up, staked calibrated data frame

Figure 4. M42 close-up - resultant stacked calibrated data frames (light frames) with additional post processing.


 

Figure 5. M42 Wide Field

Figure 5. M42 Wide Field image -final resultant image.

 

The 1.25" Dark Frame Imaging Filter is threaded for direct attachment to 1.25" camera nosepieces or 1.25" filter wheels and sliders. When installed in a filter wheel or filter slider accessory, the Orion 1.25" Dark Frame Imaging Filter can be used to automate dark frame capture, saving you valuable time and effort while enhancing image quality.

The included foam-lined plastic case will keep your Dark Frame Imaging Filter safe during transport and storage.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-447-1001.

Orders received by 1pm Eastern Standard Time for in-stock items ship the same business day. Order received after noon will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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