Question about Swift 860R (175 x 60mm) Telescope
Can i clean lenses? which lenses do i use to view moon? i have h20mm sr4mm and i need a small lense for my hm6mm.
You can clean the lenses by using a camera brush/puffer. For stains: 1 part distilled water 1 part 97% or better isopropyl alcohol. Use a cotton ball to apply. One stroke per ball. Dry with cotton balls working form the center out.
The eyepieces you have are pretty poor. I suspect they are also 0.965 diameter. If so, go to Ebay and get 2 or 3 MA (modified achromat) or Kelner eyepieces They are very inexpensive.Your H20 (lowest power) is not too bad but very narrow field of view.
If your scope uses 1.25 inch diameter eyepieces, your options are too wide to expound here.
You will get a good, low power view of the moon with the 20mm but the sr4's eye relief (distance your eye has to be to the top of the eyepiece to focus) may make it difficult
Posted on Jul 10, 2013
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Posted on Jan 02, 2017
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