DAVID LUKEHURST


Astronomical Telescopes for the Discerning Visual Observer

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Newtonian Telescope Mirror Sets
High Quality - British Made   from Oldham Optical

Mirror Diameter Focal Length Focal Ratio Flat Minor Axis

 Price

Inches mm Inches mm f/ mm

            >0.82 Strehl >0.95 Strehl
               
12 305 60   5.0   ASK  
        4.0   ASK  
14 355 70 1778 5.0 75 ASK 1415
4.0 83 ASK 1665
16 406 80 2032 5.0 83 ASK 1665
4.4 89 ASK 2055
18 457 80 2032 4.4 89 ASK 2225
3.9 96 ASK 2455
20 500 80 2032 4 96 ASK 2965
3.6 102 ASK 3815
22 560 80 2032 4.0   ASK ASK
3.6 115 ASK 4875
24 600 80 2032 4.0 120 ASK 6890
        3.3   ASK 7185
2.92   ASK 8170
30 762 135 3430 4.5 130 ASK ASK

 

Prices are for complete Mirror Sets (main mirror & flat).

Other sizes and focal ratios are available - please ask

Mirrors are normally made from low-expansion boro-silicate glass.

Elliptical flats are available separately.

These mirrors are normally supplied with standard SiO overcoated aluminium

 Please contact me to discuss mirror options

Please confirm price and delivery times before ordering as these may change from time to time.

March 2018