1.25" Filters

 This page shows the visible spectra from my 1.25 " filter collection
I think there are a couple missing, but they will be added.  (A GSO IR blocking filter is definitely missing, and I had more than one blue filter

On several I have more than one of that color so there are 2 yellow filters shown as Filter#1 and Filter#2 and so on.
Visible spectrum of light - 400-700nm (nanometers)
less than 400 nm - Ultraviolet
400 nm - violet
445 nm - indigo
475 nm - blue
510 nm - green
570 nm - yellow
590 nm - orange
650 nm - red
700+ nm -near infra-red then infra-red
 
 
Orion Ultrablock filter
 above: Baader 685 nm Long IR pass filter; for taking IR pictures
 Orion Ultrablock filter. 
 
 
 GSO IR blocking filter - Taiwan
 
 
 
 Orion SkyGlow Pollution Filter from Japan
  Orion SkyGlow Pollution Filter from Korea
 
 
 Cheap small diameter (~1/2") moon filter in plastic case
 Cheap larger (1.0") moon filter in plastic case
 
 
 Orion polarizing moon filter (parallel) (two polaroid filters)
 Orion polarizing moon filter (perpendicular) (two polaroid filters)
 
 
 Meade Series 4000 0.9 Neutral Density Filter   Orion #15 Deep Yellow filter from Korea - Filter #1
 
 
 Celestron #21 Red from China
 Orion #15 Deep Yellow filter from Korea - Filter #1
 
 
 Orion #25 red from Korea Filter #1
 Orion #25 red from Korea Filter #2
 
 
 Orion #56 Green Filter #1
 Orion #58 Green Filter #2 yeah, one is #58, one #56 on filter.
 
 
 Celestron 80a blue filter from China.
 Orion Medium blue 80a from Korea (Filter #1)
 
 
 Orion Medium blue 80a from Korea (Filter #2) 

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