Our low expansion telescope mirror blanks are typically Schott Borosilicate ( Borofloat) or suprax.

All mirror blanks are of a very high quality with ground edges and front and rear surfaces.

Our low expansion telescope mirror blanks are typically Schott Borosilicate ( Borofloat) or suprax.

All mirror blanks are of a very high quality with ground edges and front and rear surfaces

Below is a list of our LOW EXPANSION telescope mirror blanks that are available.

Each item line is a specific single Low Expansion mirror blank  and is referenced with a unique  number.

Once a mirror blank is sold it will be removed from the list

The diameter and thickness is shown in millimeters.

We also supply optical grinding powders, polishing pitch and cerium oxide optical polish

Please contact us for price and availability if the size mirror blank you require is not shown.

Part No.DescriptionThicknessProduct TypeSpecificationUnit PriceQuantity
MBLE210-3001 210MM DIAMETER 39 TELESCOPE MIRROR BLANK LOW EXPANSION £270.00
MBLE210-3002 210MM DIAMETER 39 TELESCOPE MIRROR BLANK LOW EXPANSION £270.00
MBLE152-3003 152MM DIAMETER 27.5 TELESCOPE MIRROR BLANK LOW EXPANSION £80.00
MBLE150-3004 150MM DIAMETER 21 TELESCOPE MIRROR BLANK LOW EXPANSION £72.00
MBLE152-3005 152MM DIAMETER 25 TELESCOPE MIRROR BLANK LOW EXPANSION £75.00
MBLE295-3006 295MM DIAMETER 41 TELESCOPE MIRROR BLANK LOW EXPANSION £315.00
MBLE159-3008 159MM DIAMETER 40 TELESCOPE MIRROR BLANK LOW EXPANSION £82.00
MBLE133-3009 133MM DIAMETER 24 TELESCOPE MIRROR BLANK LOW EXPANSION £50.00
MBLE296-3010 296MM DIAMETER 41 TELESCOPE MIRROR BLANK LOW EXPANSION £315.00
MBLE295-3011 295MM DIAMETER 41 TELESCOPE MIRROR BLANK LOW EXPANSION £315.00
MBLE149-3012 149MM DIAMETER 27 TELESCOPE MIRROR BLANK LOW EXPANSION £72.00
MBLE151-3013 151MM DIAMETER 20 TELESCOPE MIRROR BLANK LOW EXPANSION £70.00
MBLE152-3014 152MM DIAMETER 27 TELESCOPE MIRROR BLANK LOW EXPANSION £70.00
MBLE207-3015 207MM DIAMETER 38 TELESCOPE MIRROR BLANK LOW EXPANSION £250.00
MBLE208-3016 208MM DIAMETER 38 TELESCOPE MIRROR BLANK LOW EXPANSION £250.00
MBLE215-3017 215MM DIAMETER 36 TELESCOPE MIRROR BLANK LOW EXPANSION £270.00
MBLE221-3018 221MM DIAMETER 21 TELESCOPE MIRROR BLANK LOW EXPANSION £285.00
MBLE159-3019 159MM DIAMETER 41 TELESCOPE MIRROR BLANK LOW EXPANSION £82.00
MBLE159-3020 159MM DIAMETER 40 TELESCOPE MIRROR BLANK LOW EXPANSION £82.00
MBLE158-3021 158MM DIAMETER 22 TELESCOPE MIRROR BLANK LOW EXPANSION £80.00
MBLE202-3022 202MM DIAMETER 32 TELESCOPE MIRROR BLANK LOW EXPANSION £220.00
MBLE191-3023 191MM DIAMETER 24 TELESCOPE MIRROR BLANK LOW EXPANSION £185.00
MBLE203-3024 203MM DIAMETER 38 TELESCOPE MIRROR BLANK LOW EXPANSION £220.00
MBLE207-3025 207MM DIAMETER 39 TELESCOPE MIRROR BLANK LOW EXPANSION £250.00
MBLE214-3026 214MM DIAMETER 30 TELESCOPE MIRROR BLANK LOW EXPANSION £260.00
MBLE300-3027 300MM DIAMETER 32 TELESCOPE MIRROR BLANK LOW EXPANSION £320.00
MBLE297-3028 297MM DIAMETER 42 TELESCOPE MIRROR BLANK LOW EXPANSION £315.00
MBLE152-3029 152MM DIAMETER 38 TELESCOPE MIRROR BLANK LOW EXPANSION £75.00
MBLE152-3030 152MM DIAMETER 38 TELESCOPE MIRROR BLANK LOW EXPANSION £75.00
MBLE152-3031 152MM DIAMETER 38 TELESCOPE MIRROR BLANK LOW EXPANSION £75.00
MBLE152-3032 152MM DIAMETER 28 TELESCOPE MIRROR BLANK LOW EXPANSION £70.00
MBLE252-3033 252MM DIAMETER 35 TELESCOPE MIRROR BLANK LOW EXPANSION £300.00
MBLE204-3034 204MM DIAMETER 33 TELESCOPE MIRROR BLANK LOW EXPANSION £220.00
MBL256-3035 256MM DIAMETER 25 TELESCOPE MIRROR BLANK LOW EXPANSION £300.00
MBLE198-3036 198MM DIAMETER 33 TELESCOPE MIRROR BLANK LOW EXPANSION £200.00