Spiders and Secondary Holders
Spieders and Secondary mirror holders for Newtons as an upgrade or for DIY.
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Holder for Newtonian secondary mirrors for telescope self-construction or improving Newtonian reflectors.
for secondary mirrors 50 mm diameter - minor axis Inner thread at the base: M6 - central Distance from the base to the beginning of the 45° slant: 47 mm Flat contact surface for bonding the secondary mirror with exact 45° incline
Long design with 52 mm diameter
Diameter of the minor axis: 62 mm
Holder for Newtonian secondary mirrors for telescope self-construction or improving Newtonian reflectors.
Diameter: 20 mm - suitable for secondary mirrors from 22 mm diameter - minor axis Inner thread at the base: M6 - central Distance from the base to the beginning of the 45° slant: 5 mm Flat contact surface for bonding the secondary mirror with exact 45° incline
Holder for Newtonian secondary mirrors for telescope self-construction or improving Newtonian reflectors.
Diameter: 30 mm - suitable for secondary mirrors from 32 mm diameter - minor axis Inner thread at the base: M6 - central Distance from the base to the beginning of the 45° slant: 5 mm Flat contact surface for bonding the secondary mirror with exact 45° incline
Holder for Newtonian secondary mirrors for telescope self-construction or improving Newtonian reflectors.
Diameter: 40 mm - suitable for secondary mirrors from 42 mm diameter - minor axis Inner thread at the base: M6 - central Distance from the base to the beginning of the 45° slant: 5 mm Flat contact surface for bonding the secondary mirror with exact 45° incline
Holder for Newtonian secondary mirrors for telescope self-construction or improving Newtonian reflectors.
Diameter: 60 mm - suitable for secondary mirrors from 63 mm diameter - minor axis Inner thread at the base: M6 - central Distance from the base to the beginning of the 45° slant: 7 mm Flat contact surface for bonding the secondary mirror with exact 45° incline
Holder for Newtonian secondary mirrors for telescope self-construction or improving Newtonian reflectors.
Diameter: 65 mm - suitable for secondary mirrors from 70 mm diameter - minor axis Inner thread at the base: M6 - central Distance from the base to the beginning of the 45° slant: 45 mm Flat contact surface for bonding the secondary mirror with exact 45° incline
Stable spider for Newtonian telescopes - ideal for building and upgrading an existing telescope.