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4 Inch Telescope Mirrors
NEW 4 Inch Telescope Mirrors, made by Carton Optical in Japan. Aluminumized w/Quartz overcoat.
4" f/6 Parabola $30
4" f/10 Parabola $30
4" f10 Spherical $25
...
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66
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Excellent
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$30.00
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Thu Nov 19, 2009 4:50pm
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Bronze 32 Pitch Worm Gears
New Bronze 32 Pitch Worm Gears. 3" & 4" available.
4" 120 teeth .750" Bore $15.00
3" 96 teeth .500" Bore $10.00
3" 96 teeth .625" ...
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56
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Excellent
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$15.00
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Thu Nov 19, 2009 4:26pm
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Astro Garage Sale Reduced need to sell
I'm offering the following at reduced prices. If it seems to high, make an offer.
SOLD 1) DSLRStar Controller for a Canon 300D 350D or 400D. Comes with all cables, (USB, ...
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209
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Excellent
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n/a
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Wed Nov 18, 2009 2:02pm
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[Wanted] semi apo objective 70 - 90mm
Hello,
I'm looking for a semi apo objective of 70-90mm diameter for astro imaging with a DSLR.
Thank you
Fabrice FAURE
France
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58
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Good
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n/a
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Tue Nov 17, 2009 9:40am
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Hoya 54mm Binocular Lenses
Hello guys
I have 265 Hoya 54mm X 170mm Multi-coated binocular objectives for sale.
139 of them are 1st quality. The other 126 lenses I will only claim are 2nd quali ...
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137
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Excellent
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$400.00
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Sat Nov 14, 2009 6:00pm
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2.37" Secondary Mirror
New Meade 2.37" Secondary Mirror. 1/10 wave and made from precision annealed Pyrex.
$60.00 plus shipping PP OK
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90
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Excellent
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$60.00
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Wed Nov 11, 2009 12:27pm
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Nice No-Name Triplet 5" diam.~missing Crown
This is a Big overall 5.25" Triplet,that is missing an Element.The front Crown Lens element is missing..
I don't feel like making another Thus So..
The two existing Ele ...
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176
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Good
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$100.00
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Tue Nov 10, 2009 10:46pm
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3" Cassegraine Quartz Secondary Mirror Blank
This piece is a Quartz Secondary mirror blank,such as those used for a Cassegraine.
The blank is 3" diam. x 3/4" tk..
Both sides are flat,and Clear like it was cas ...
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87
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Excellent
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$35.00
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Tue Nov 10, 2009 12:21am
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8" f/4.8 efl.Parabolic Hubble Optics 1/16th 0r better-
This is a 8" f/4.8 Hubble Optics Decent-1/16th wavefront.
The mirror is not coated, and i dont believe it has ever seen Aluminum.
The surface is smooth and there are no ...
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105
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Excellent
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$120.00
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Tue Nov 10, 2009 12:09am
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Large 9.25" Flint Optic`glass blank(Maybe a 8" BK-7 Too)
This is a 9.25" x 1.25" SF-12 Flint Glass Lens Blank,for sale.
This is virtually the same glass` Edmund Optical uses on their Big 5"lens(Biggest they manfactur ...
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88
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Excellent
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$125.00
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Mon Nov 9, 2009 11:57pm
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4" 1/10th wave Flat Mirror-Made by United Lens Co.
This is a 4" mirror Flat.It is flat on both sides..un-coated.
The mirror flat was made by United Lens Co(ULC)and is still in its' origional Sleeve.
Go for it!!
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49
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Excellent
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$48.00
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Mon Nov 9, 2009 9:35pm
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F.S. is for one larger Composite tube
This tube is a composite piece.It's inside dia.is 14.25(id)and a wall-thickness of 1/4th-inch.It is about 30" high.It is good in condition.
This type of tubing is ligh ...
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47
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Excellent
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$130.00
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Mon Nov 9, 2009 9:27pm
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Carton 1.5" Secondary Mirror
This is a NEW Carton 1.5" Secondary Mirror. Made by Carton Optical in Japan. 1/8 wave.
$18.00 shipped in CONUS PP OK
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126
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Excellent
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$18.00
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Sat Nov 7, 2009 11:51am
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2" Extension, 1.25" reducer, 1.25" 45 degree diagonal (all for $38)
2" Extension, 1.25" reducer, 1.25" 45 degree diagonal (all for $38) plus $4 P&S within the 48 states via Parcel Post.
(The 1.25" diagonal by itself ...
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75
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Excellent
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$38.00
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Thu Nov 5, 2009 9:01pm
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Cave Secondary Holder, Spider & Mirror
Cave Secondary Holder, Spider & Mirror. This is from a Cave 10" f/5. The secondary mirror is 2.5" and made from Pyrex. The spider fit a tube app. 12.75". Th ...
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81
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Excellent
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$100.00
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Thu Nov 5, 2009 11:17am
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REDUCED: Meade 4" newtonian seconday
Meade 4" newtonian seconday with collimation holder $90
Plus shipping and Paypal
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84
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Excellent
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n/a
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Thu Nov 5, 2009 10:20am
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AstroScan Optical Window
AstroScan Optical Window. Made by Carton Optical in Japan. Diameter is 4.8125" & .250" Thick. It's coated with MgF2.
$18 shipped in CONUS PP OK
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105
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Excellent
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$18.00
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Wed Nov 4, 2009 2:34pm
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4" F/4 (100mm x 400mm) Air-Spaced Achromat w/Cell
4" F/4 (100mm x 400mm) Air-Spaced Achromat w/Cell (NEW) The optics are Fully Multi-Coated. The lens cell is Aluminum. Ideal for a large finder or Richest-Field Telescope. ...
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91
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Excellent
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$75.00
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Wed Nov 4, 2009 10:50am
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WTB Edmund 4-1/4" scope parts.
I am looking for 1960 type 4-1/4" telescope parts from Edmund Scientific.
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111
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Excellent
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n/a
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Sun Nov 1, 2009 6:19am
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80mm x 300mm Achromat w/cell
80mm x 300mm Achromat w/cell The lens is cemented is MgF2 coated. The coatings are a bit worn from cleaning but, it doesn't hurt the optics. This would make a nice finder or R ...
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116
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Excellent
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SOLD!
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Sat Oct 31, 2009 12:07pm
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