More 4-vane product information...

Other products

Flocked Light Trap Mat'l

Support

Contact us

Features:

Unique simplified collimation procedure.
Carbon composite construction for major components with steel spider vanes.
Optional anti-dew heater available for most sizes.
Available for any size secondary mirror.
Ultra-black, low-scatter surface texture.

Protostar secondary mounts are professional quality optical mounts designed for the lowest possible diffraction and simplified collimation adjustment. Optional features are available, and custom offsets can also be specified when ordering. Larger models feature heavy-duty spider construction. Each secondary mount kit includes the spider, mirror holder, collimation tool, mounting screws and instructions. Made in the U.S.A.

Spiders are custom-made for your tube's inside diameter. When ordering, provide the information described on the ordering information page.

Secondary mounts for common mirror sizes.
Don't see your mirror size below? Contact us and we can supply a custom-sized holder for no extra charge. No more gluing mirrors!

Secondary size

(minor axis)

SKU

Price

Notes

1.25"

1254VALL

$115.00

For up to 240 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.30"

1304V

$115.00

For up to 240 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

35.0 mm

G03554V

$115.00

For up to 240 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.50"

1504V

$122.00

For up to 300 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.52"

1524V

$122.00

For up to 300 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

43.0 mm

G04304V

$124.00

For up to 300 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.83"

1834V

$126.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

46.5 mm

G04654V

$124.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

50.0 mm

G05004V

$128.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

2.14"

2144V

$128.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

2.25"

2254V

$128.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

62.5 mm

G06254V

$126.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

63.0 mm

G06304V

$126.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

2.50"

2504V

$138.00

For up to 600 mm tube inside diameter. One attachment lugs per vane.

2.60"

2604V

$138.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

68.0 mm

G06804V

$138.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

70.0 mm

G07004V

$140.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

72.0mm

G07204V

$144.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

74.0 mm

G07404V

$144.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

3.10"

3104V

$144.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

80.0 mm

G08004V

$150.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

82.0 mm

G08204V

$168.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

3.50"

3504V

$184.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

88.0 mm

G08804V

$184.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

90.0 mm

G09004V

$184.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

4.00"

4004V

$205.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

104.0 mm

G10404V

$205.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

Heavy-duty secondary mounts for large telescopes

Constructed with wider/thicker steel vanes and other larger components. Carbon fiber construction for the secondary holder and spider hub.
Don't see your mirror size below? Contact us and we can supply a custom-sized holder for no extra charge.

Secondary size

(minor axis)

SKU

Price

Notes

104mm HD

G10404VHD

$290.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

4.00" HD

4004VHD

$290.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

4.50" HD

4504VHD

$290.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

120mm HD

G12004VHD

$310.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

5.00" HD

5004VHD

$310.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

5.50" HD

5504VHD

$320.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

6.00" HD

6004VHD

$335.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

170mm HD

G17004VHD

$345.00

For tube or cage diameters up to 31.5" (800mm). Two attachment lugs per vane.

| warranty & return policies | privacy | contact us |

More 4-vane product information...

Other products

Flocked Light Trap Mat'l

Support

Secondary size

(minor axis)

SKU

Price

Notes

1.25"

1254VALL

$115.00

For up to 240 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.30"

1304V

$115.00

For up to 240 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

35.0 mm

G03554V

$115.00

For up to 240 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.50"

1504V

$122.00

For up to 300 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.52"

1524V

$122.00

For up to 300 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

43.0 mm

G04304V

$124.00

For up to 300 mm tube inside diameter. One attachment lug per vane. The anti-dew heater and finger collimation screws are not available for this size.

1.83"

1834V

$126.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

46.5 mm

G04654V

$124.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

50.0 mm

G05004V

$128.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

2.14"

2144V

$128.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

2.25"

2254V

$128.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

62.5 mm

G06254V

$126.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

63.0 mm

G06304V

$126.00

For up to 450 mm tube inside diameter. One attachment lug per vane.

2.50"

2504V

$138.00

For up to 600 mm tube inside diameter. One attachment lugs per vane.

2.60"

2604V

$138.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

68.0 mm

G06804V

$138.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

70.0 mm

G07004V

$140.00

For up to 600 mm tube inside diameter. Two attachment lugs per vane.

72.0mm

G07204V

$144.00