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#1 Neither company knows how to spell the word "view".

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When Tele Vue originated the name, it was a clever play on words. Quite some time later, the name was *ahem*, 'borrowed' and modified by the other company. Why? To confuse the novice? Why would anyone name a new company with a name so similar to a highly respected one? I've always found that rather interesting.

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"Vue" is the correct spelling.

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David E

So when at times the mob is swayed
To carry praise or blame too far,
We may choose something like a star
To stay our minds on and be staid.

-Robert Frost

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...if the market continues to nosedive, look for big sales... So for those who desire a TV102, start saving up.

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Or an NP101


New, an NP101 really is 3x more than an sv102ed. Someday... someday.

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-Dave

C11 ~ CGE ~ 101mm refractor ~ EZtouch ~ various eyepieces

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They have had a 102ED. Not sure if they still offer it or not.

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Only a few at a time and only through their Hong Kong office and they usually sell them from their ebay store.

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Chris
Mallincam Color Hyper Plus
10" DSH with SC DSC, CPC 800 XLT
M102ED S.V., ZS 80FD 10th Anniv, ZS 66SD, PST
POD XL3 http://POD.SchroederCity.com

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I would really recommend a Fluorite doublet with longer focal lenght and premium quality optics. My FSQ 106 ED shows no color in focus and has more sharpness than the SV 102 ED and is a f/ 5 system.

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Okay, now we're really getting way, way off from the original poster's question. He was asking about the differences between a scope that sells for approximately $1000 vs. an approx. $2000 scope. Now you're talking about a >$4000 scope?

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Scott
SV80/9D
SV102EDT
SV102ABV
Orion 4.5" Starblast
Meade LX90 8" UHTC

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They have had a 102ED. Not sure if they still offer it or not.

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I would really recommend a Fluorite doublet with longer focal lenght and premium quality optics. My FSQ 106 ED shows no color in focus and has more sharpness than the SV 102 ED and is a f/ 5 system.

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Okay, now we're really getting way, way off from the original poster's question. He was asking about the differences between a scope that sells for approximately $1000 vs. an approx. $2000 scope. Now you're talking about a >$4000 scope?

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Yeah, $4000 today. Keep your eye on the stock market. We hit 6000 on the Dow and you watch. Plenty of stuff will be heavily discounted, including the NP101.

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An economist is someone who knows more about money than the people who have it.

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Celestron C4-R 102mm achromat
Celestron Nexstar 6SE
Meade 80mm APO ED Triplet
Stellarvue SV102ED
Vixen A80Mf
Vixen A70Lf
CG4 mount
Vixen Porta Mount

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"The SV102ABV triplet may be 'just the ticket' if you can afford it."

This scope, is a doublet.

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Actually, it's a semi-triplet!

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It's a fantastic scope. I keep having to talk myself out of replacing the one that I had. Hopefully they'll sell out, before I crack

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Don't go here...

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Least it's one you had. I have to keep talking myself out of replacing my f/8.7 LOMO Doublet SV102BV.

David E had been very helpful when ever I start having these thoughts he gets out the 2x4

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David B

10" f/5 DOB
8" Celestron C8
Antares 1529 6" f/6.5 Achromat
Stellarvue SV102BV
Stellarvue SV80S
Stellarvue NH7
Stellarvue SV50

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I would really recommend a Fluorite doublet with longer focal lenght and premium quality optics. My FSQ 106 ED shows no color in focus and has more sharpness than the SV 102 ED and is a f/ 5 system.

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Okay, now we're really getting way, way off from the original poster's question. He was asking about the differences between a scope that sells for approximately $1000 vs. an approx. $2000 scope. Now you're talking about a >$4000 scope?

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Scott,

You're correct. Vic won't call the SV102ED an APO, the TV102 is called an APO by Tele Vue, it's one of the last last top tier 4" Doublet APO's still in production. I own a long Doublet APO and I love my f/8.7 LOMO SV102BV. I have never looked through one of the f/7 ED Doublets reports say there is slight color on bright objects. I see no in focus color in my SV102BV and I would expect the TV102 to also be color free in focus.

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David B

10" f/5 DOB
8" Celestron C8
Antares 1529 6" f/6.5 Achromat
Stellarvue SV102BV
Stellarvue SV80S
Stellarvue NH7
Stellarvue SV50

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I would really recommend a Fluorite doublet with longer focal lenght and premium quality optics. My FSQ 106 ED shows no color in focus and has more sharpness than the SV 102 ED and is a f/ 5 system.

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Okay, now we're really getting way, way off from the original poster's question. He was asking about the differences between a scope that sells for approximately $1000 vs. an approx. $2000 scope. Now you're talking about a >$4000 scope?

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Yeah, $4000 today. Keep your eye on the stock market. We hit 6000 on the Dow and you watch. Plenty of stuff will be heavily discounted, including the NP101.

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We hit 6000 and buying telescopes will be the least of our worries. I don't think you will see sales, you will see places closing up.

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Preston



Celestron 11" Nexstar GPS XLT
Lunt LS60T/Ha 60mm f/8.33 (on order)

It’s not finishing something when your tank is empty that makes you a stronger person. It’s brushing yourself off and refacing the foe that defeated you with the same determination and willingness to fight that you had when you began your journey.

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Vic won't call the SV102ED an APO, the TV102 is called an APO by Tele Vue, it's one of the last last top tier 4" Doublet APO's still in production.

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Vic won't market it as an APO, but he doesn't mind when others dub it an APO. He's said so here.


If SV didn't include triplets in the lineup (which Vic reserves the term "apo" for), then he'd very likely market the 80ED and 102ED scopes as apochromats.

Of course, there's nothing wrong with his use of the terminology. It's up to the individual vendors to decide how they wish to market their scopes. When correction gets close to truly apochromatic, most companies will take the slightly optimistic route. SV did that once before with their SV85S. An ED doublet with a bit of color, which they sold as an apo. Of course, back then, they didn't have ED triplets... (except the 102EDT, but that's a different can o' worms )

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A few telescopes of dubious value.
Understanding wife and three curious cats.

"Semper ubi sub ubi"

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[ SV did that once before with their SV85S. An ED doublet with a bit of color, which they sold as an apo. Of course, back then, they didn't have ED triplets... (except the 102EDT, but that's a different can o' worms )

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Clive, I have an 85S, which has a LOMO doublet objective. You are saying that it is not an apo? Would you show me the evidence that it does not meed all the criteria for an apo?

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David E

So when at times the mob is swayed
To carry praise or blame too far,
We may choose something like a star
To stay our minds on and be staid.

-Robert Frost

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Apochromat: an objective corrected parfocally for three widely spaced wavelengths and corrected for spherical aberration and coma for two widely separated wavelengths.

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[ SV did that once before with their SV85S. An ED doublet with a bit of color, which they sold as an apo. Of course, back then, they didn't have ED triplets... (except the 102EDT, but that's a different can o' worms )

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Clive, I have an 85S, which has a LOMO doublet objective. You are saying that it is not an apo? Would you show me the evidence that it does not meed all the criteria for an apo?

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Hi David.
I wouldn't contest the apo-ness of your SV85S.
It's certainly apochromatic enough, IMO.
Just saying that if the SV85S was still offered by SV, it probably wouldn't be marketed as "apo".
Even the currently offered 102ABV isn't sold as an apochromat, cuz it's not a triplet either.
Vic changed the criteria. That's his perogative.

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A few telescopes of dubious value.
Understanding wife and three curious cats.

"Semper ubi sub ubi"

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