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ED doublet refractors. Objective lens type & quality.

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in Discussions - Scopes / Whole setups

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Adam J

Adam J

Posted
Posted
17 minutes ago, John said:

I'm not the pedantic type :smiley:

 

Lol. But I guess depending on your point of view another word for pedantic is precise. 🙂 It's the scientist in me. 

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Stu
Stu

Understood, although I think it difficult to compare scopes from memory as that big variable ‘sky conditions’ can have a huge impact on perceived performance on different nights. Again, I’m not s

GazOC
GazOC

It's also a lot longer than the ED80, there'd be something seriously amiss if the Stellamira wasnt better corrected for colour than the ED80 lanthanum or no lanthanum.

John
John

I've tended to take the view that if a company uses FPL-53, they have selected a very expensive glass type so are likely: a) to select a suitable and equal quality mating element. b) to take

John

John

Posted
Posted
1 hour ago, Adam J said:

Lol. But I guess depending on your point of view another word for pedantic is precise. 🙂 It's the scientist in me. 

You will have to excuse the non-scientists here for not knowing what the term doping means in this respect then :smiley:

All the definitions that I can find for the term refer to something quite different.

 

 

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Adam J

Adam J

Posted
Posted
1 hour ago, John said:

You will have to excuse the non-scientists here for not knowing what the term doping means in this respect then :smiley:

All the definitions that I can find for the term refer to something quite different.

 

 

You are forgiven. :)

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