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Extension Tubes
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Optec - 2-" to 3"x 24 tpi male threaded mount.
The 2-inch to 3-inch thread adapter was developed to easily adapt the Apogee and SBIG cameras and filters wheels for the TCF-S focuser.By holding tight tolerances (+/- 0.003") Optec has achieved a slip-fit that is second-to-none ... Learn More
Model#: 17666
$95.00 -
Optec - AP2.7 knurled female threaded retaining ring, 1/10" thick.
AP2.7 Retaining RingOverall Height: 0.10" (2.5mm)Outside Diameter: 3.0" (88.9mm)Clear Aperture: 2.69" (68 mm)Weight: 0 ... Learn More
Model#: 19888
$15.00 -
Optec - AP2.7 x 24tpi Extension Tube Set, 4-piece.
Provides ¼” incremental extensions from ½” to 3-¼” Includes ½”, ¾”, 1”, and 1- ½” extensions (#19891 through #19894)AP2 ... Learn More
Model#: 19880
$115.00 -
Optec - AP2.7 x 24tpi Extension Tube Set, 5-piece.
Includes ½”, ¾”, 1”, 1- ½”, and 3” extensions (#19891 through #19895)AP2 ... Learn More
Model#: 19881
$150.00 -
Optec - AP2.7 x 24tpi Extension Tube, 1" length.
AP2.7 Extension - 1" LengthOverall Height: 1.38" (35.0mm)Clear Aperture: 2.52" (64mm)Weight: 1.8 oz (55 g)Back-focus Usage: 1.00" (25 ... Learn More
Model#: 19884
$30.00 -
Optec - AP2.7 x 24tpi Extension Tube, 1-1/2" length.
AP2.7 Extension - 1-1/2" LengthOverall Height: 1.87" (47.5mm)Clear Aperture: 2.52" (64mm)Weight: 2.4 oz (70 g)Back-focus Usage: 1.50" (38 ... Learn More
Model#: 19885
$30.00 -
Optec - AP2.7 x 24tpi Extension Tube, 1/2" length.
AP2.7 Extension - 1/2" LengthOverall Height: 0.88" (22.4mm)Clear Aperture: 2.52" (64mm)Weight: 1.0 oz (30 g)Back-focus Usage: 0.50" (12 ... Learn More
Model#: 19882
$30.00 -
Optec - AP2.7 x 24tpi Extension Tube, 3" length.
AP2.7 Extension - 3" LengthOverall Height: 3.38" (85.8mm)Clear Aperture: 2.52" (64mm)Weight: 8.2 oz (230 g)Back-focus Usage: 3.00" (76 ... Learn More
Model#: 19886
$40.00 -
Optec - AP2.7 x 24tpi Extension Tube, 3/4" length.
AP2.7 Extension - 3/4" LengthOverall Height: 1.13" (28.7mm)Clear Aperture: 2.52" (64mm)Weight: 1.4 oz (40 g)Back-focus Usage: 0.75" (19 ... Learn More
Model#: 19883
$30.00
9 Item(s)
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