colinsk
Carpal Tunnel
Reged: 01/17/08
Posts: 2150
Loc: CA
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The way I understand it it was the Dark Blue objectives that went bad and at first started getting replaced with gold then later with the light blue objective. Reading through this thread again I found a couple of other gold objectives that had failed.
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Mahalo,
Colin Kaminski
Coulter 10.1" Dobsonian
TV-76/Baader Film White Light
LS60T/DS50/FT/BF1200
LDX-75
AT Voyager
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Paul Hyndman
sage
Reged: 07/13/04
Posts: 312
Loc: Madison, CT USA
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Quote:
As far as I know yours is the first report of a bad gold objective. 
Can you describe how it started to fail? Do you have a picture?
No pics...sorry.
I'd been on a very tight work schedule, but was finally about to score a PST "nooner" (ahhhh... solar nirvana once again). Alas it was not going to happen quite so easily, as the view was uncharacteristically devoid of detail.
A quick examination revealed the culprit: a somewhat foggy, "rust" had begun taking over the objective (arrrgh!) It had always been stored in an equipment-friendly environment (my other Coronado stuff... some older than the PST... exhibit no such degradation).
It had been several months since my previous PST outing and, to be honest, it likely had already been breaking down at that point but I did not realize it (or examine) at that time.
Quote:
#95028??, did they start renumbering them or did they take old ones and just change the objectives or was it already repaired once?...
I am the original owner of this one... it was the first and only repair and was returned with the same serial number.
Oh yeah... RE the repair: I AM a happy camper, but for the lack of time to use it( sigh!)
PS: A big thank you to all here in the CloudyNights Solar forum for helping me maintain my daily solar "fix" (I am reduced to lurking these days)!
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AP160, AP Traveler,
Coronado 90/90/30, PST H-a, PST CaK,
Baader Wedge, 260mm Kendrick/Baader,
Fraunhofer circa 1820, Fraunhofer circa 1825,
SBIG STL11K, DSI Pro (2), DSI Pro II, Canon 10D,
ToUcam II 840, AP900 GTO, AP Mach1
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Don W
Postmaster
Reged: 05/19/03
Posts: 14620
Loc: Wisconsin, USA
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Ok, this thread is to make a list of PST serial numbers, not a general discussion of them. Feel free to start a new thread, but leave this one to its purpose.
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Don Wyman
Obsession 18" f/4.5 #1166
W/Argo Navis DSC and Torus Primary
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Marko2
newbie
Reged: 12/28/05
Posts: 1
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Another for the list: 100946. Gold lens, no problems.
Mark
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Doug L
sage
Reged: 08/17/08
Posts: 206
Loc: Ottawa, Canada
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Just aquired (used). #101301 (gold lens - no problems)
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Bino reality... 1 + 1 > 2
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GolfSierra
member
Reged: 12/27/08
Posts: 24
Loc: Kansas
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Add Serial #99269, rust on lens, purchased new in October 2005. Returned to Meade 1/6/09. Less than 1 minute wait for CSR and quoted 6-8 weeks for return.
Gary
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TSA102 SV110 SV80 AT66 MN56
PST
Canon XTi,SSII,SSAG
GM8 LXD75
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George N
professor emeritus
Reged: 05/19/06
Posts: 672
Loc: Binghamton & Indian Lake NY
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My PST #99515 completely rusted over at about age 26 months. I had it repaired in December 2008. It took 7 weeks from the first phone call to having the repaired scope back in my hands.
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George N
Obsession 20
Optical Guidance Systems 10" F/9 R-C Cass
6" F/5 & 8" F/8 home-made Newts
MI-250 mount
SBIG STL-1301E CCD
Member, International Dark-Sky Association
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Evokal
member
Reged: 02/12/09
Posts: 42
Loc: Manitou Springs, CO
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Richard,
94530 can be added to the list of rusties. 
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PerH
member
Reged: 12/30/07
Posts: 16
Loc: West Texas
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103573 - blue lens - no problems
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Per
Celestron C8-SGT
Orion ST120
Orion ST80
Coronado Personal Solar Telescope
Nikon 10x50
Astro-Tech Voyager Tripod
33.5842°N, 101.9175°
Clear Skies :-)
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Gone caving
sage
Reged: 04/02/07
Posts: 316
Loc: Underground really
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The Rockland Astronomy Club's number 95060 can be added to the list.
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Welcome back my friends to the show that never end.............................
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Pedro Scorza
super member
Reged: 07/14/05
Posts: 154
Loc: Puerto Rico
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SN 94556, found totally rusted after 6 months stored.
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LX-90
C102HD
SN-10 on Skyscan
PST 40
WO ZS 80FD
SXVF-M7,Pictor 216,Rebel 300
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GolfSierra
member
Reged: 12/27/08
Posts: 24
Loc: Kansas
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Meade returned my PST #99269 this week with the lens replacement, it was a eight week turnaround. First impressions, my Televue plossls or the originally supplied 20KE will no longer achieve focus where they did prior to the fix. Seems to lack a sufficient in focus now. Using a SV26 plossl I did reach sharp focus and in moments of good seeing detail was visible across the full solar disk. Small prom's were dim but nothing noteworthy yesterday. Curious if any one else has noticed a change in the focus range.
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TSA102 SV110 SV80 AT66 MN56
PST
Canon XTi,SSII,SSAG
GM8 LXD75
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Asturies
sage
Reged: 06/14/07
Posts: 206
Loc: La Mancha, Spain
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No, sorry to hear that, I didn't have any focus problem, mine was repaired in Germany.
¿Have you tried with a barlow?
¿Did they change the objective to a blue one (if it was previously gold)?
Regards, Fernando
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LX90 12" with ultrawedge
CG5-GT
Equinox 80mm APO
Mak-Cass 100mm f/14
PST Repaired of rusty objective
Canon EOS 350D
Brand new DBK21 for guiding and planetary
My web translated to English at last!!!
http://perso.wanadoo.es/jfa926/Fernando_Mejido/index.htm
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Don W
Postmaster
Reged: 05/19/03
Posts: 14620
Loc: Wisconsin, USA
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This thread is to keep a record of PST serial numbers. For general discussions, please start a new thread in the forum.
Thank you.
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Don Wyman
Obsession 18" f/4.5 #1166
W/Argo Navis DSC and Torus Primary
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John Carruthers
Skiprat
Reged: 02/02/07
Posts: 2270
Loc: Kent, UK
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#101343 just rescued from a skip, blue lens, seems ok. 
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Jc
ATM 10" F6.1, 1/25th wave spec (max wavefront error +/- 1/12.6 in zone 4 of 6, sodium light )
6" F7 spec
127mm F9.4 Refractor
10 x 50 bin
ETX80 (finder)
Canon 20D
PST
DSI 1
and a curious mind
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grendel
sage
Reged: 04/12/09
Posts: 243
Loc: Canterbury, Kent, UK
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#104063- rescued at the same time as Johns  blue lens also OK
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howdypartner
journeyman
Reged: 03/28/08
Posts: 9
Loc: Henderson, NV
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Add SSN 99470 to the list.
Dug out my PST after a year of not using. Hoped to use it to welcome the end of the solar minimum. I had suspected it before (the rust), but now more obvious and affects the view. Will be contacting Meade.
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Evokal
member
Reged: 02/12/09
Posts: 42
Loc: Manitou Springs, CO
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I just got 94530 back from Coronado! They recieved it March 6th and I got it back on May 18th. They replaced the rusty lens with a blue one. I was able to look through it this morning. What an impovement!!!!
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Michael Huwe
Lunt 60mm Doublestack w/ B1200 BF
"Might the sun be a metaphor of the compassion we can only reflect if we turn in that direction, revealing every flaw? I wonder this every time I see a full moon light up the night around me..." -Anonymous
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Mickeymaro
journeyman
Reged: 05/17/09
Posts: 5
Loc: Netherlands
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You can also add Serial # 103944 on the list, has a blue lens and no problems whatsoever.
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Meade 12" LX90 GPS ACF
Telekit 12.5" F4.8 NGT Dobson
Coronado PST40
25 X 100 Robtics Binocular
Chevrolet Camaro 1971 Z28 V8 350.
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medieval1
super member
Reged: 12/18/08
Posts: 160
Loc: Colorado Springs
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My serial number is 109205.
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Jim West
Meade LX200-ACF 8"
Coronado P.S.T
Canon 40D (unmodified)
Meade DSI Pro II w/color filters
Galileoscope
astro.jameswest.com
Lifetime member of Colorado Springs Astronomical Society
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