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Features:

Useful for constructing special-purpose telescopes, bench set-ups, and other optical instruments.
Permits precise tip-tilt adjustment over a +/- 4 degree range.
Holder can be rotated 360-degrees.
Mirror is mounted using the metal shroud, or non-standard and oversized mirrors can be adhesively mounted.

A "vaneless spider" is useful as an adjustable mirror mount in folded refractors, shiefspieglers, and other reflective and catadioptric telescopes. You can also mount them to a curved Newtonian support of your own making. These are available with either a Newtonian-style holder (45° face), or a flat Cassegrain style holder. The body can be supplied with a flat portion to simplify mounting (please request this when you order). Made in U.S.A.

Detailed Product Images
(click to enlarge)

Prices:

Part No.

Description

Price (US$)

HH-07

Special-purpose holder; 0.75" mirror size

$60.00

HH-10

Special-purpose holder; 1.00" mirror size

$60.00

HH-13

Special-purpose holder; 1.30" mirror size

$65.00

HH-15

Special-purpose holder; 1.52" mirror size

$70.00

HH-18

Special-purpose holder; 1.83" mirror size

$75.00

HH-21

Special-purpose holder; 2.14" mirror size

$80.00

HH-26

Special-purpose holder; 2.60" mirror size

$85.00

HH-31

Special-purpose holder; 3.10" mirror size

$90.00

HH-35

Special-purpose holder; 3.50" mirror size

$100.00

HH-40

Special-purpose holder; 4.00" mirror size

$110.00


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Protostar P.O. Box 448 Worthington, Ohio 43085 U.S.A. 614-855-5341
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