Size comparisons between the ELT primary mirror and other large planned facilities | ESO
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Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope
Japan Signals Its Commitment to the Thirty Meter Telescope (TMT) Project | NAOJ: National Astronomical Observatory of Japan - English
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30" - Convex Acrylic Safety & Security Mirror (Indoor/Outdoor) W/1 Telescope Bkt
Newton reflector telescope secondary mirror 20/25/28/30/40/42/45/50/54/60/70mm | eBay
30inch Newtonian Reflector telescope parabolic primary mirror - AliExpress
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Amazon.com : Telescope Reflector Secondary Mirror 28/30/42/50/54Mm Short Axis Elliptical Oblique Mirror DIY Astronomical Telescope Mirror Kit : Electronics
30inch Newtonian Reflector telescope parabolic primary mirror - AliExpress
![Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope](https://www.bbastrodesigns.com/30/30%20in%20driveway%202023.jpg "Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope")
Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope
Buy 30" New Technology Telescope (Alt-Az Folded Newtonian)
Newton reflector telescope secondary mirror 20/25/28/30/40/42/45/50/54/60/70mm | eBay
Amazon.com : Telescope Reflector Secondary Mirror 28/30/42/50/54Mm Short Axis Elliptical Oblique Mirror DIY Astronomical Telescope Mirror Kit : Electronics
Zeiss Ground Telescope Mirror Scope 30×60B | eBay
TMT International Observatory
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Thirty Meter Telescope
Elliptical Secondary Mirror 20mm 25mm 30mm 35mm 40mm 42mm 50mm 54mm for DIY Newtonian Reflecting Astronomical Telescope - AliExpress
The Thirty Meter Telescope | astrobites
![Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope](https://www.bbastrodesigns.com/30/no%20ladder%20zenith%20viewing.jpg "Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope")
Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope
![Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope](https://www.bbastrodesigns.com/30/30%20inch%20mirror%20on%20test%20stand.jpg "Making two matching 30 inch [0.76m] F2.7 telescope mirrors and one telescope")