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Filters helios apollo 15x70


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Hi all, 

 

I have just bought some skywatcher filters (uhc and o-iii) to use with my helios apollo 15x70 

 

But I can't seem to screw them into where the eyepieces are, I must be doing something wrong but thought it should be fairly easy to fit. 

 

Have added some pics just incase there is a model which can't accept them or something 

 

Many Thanks in advance 

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They can be specified with or without filter threads; worth asking before you buy. I think some of the Delta Optical (similar, but ED glass) may have filter threads.

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1 hour ago, BinocularSky said:

They can be specified with or without filter threads; worth asking before you buy. I think some of the Delta Optical (similar, but ED glass) may have filter threads.

 

Definitely something to keep in mind in the future great bins though

 

Have done a bit of a bodge solution by putting a rubber washer round the thread of the filter and they are now push fit. Given them a good shake upside down and seem pritty solid although they sit a bit proud. 

 

 

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