8-12mm Long 42mm Variable Extension Tube (SFE-M42-V)
Category: Astrophotography Accessories
Description
This is an adjustable 42 mm extension tube that adds 8-12 mm of length. Thread is the standard 1.8" filter thread size of M42 X .75. The depth of the male thread is 8.3 mm and there is a thin (1.72 mm) threaded locking ring on this thread to adjust the spacing. The female thread is 5 mm deep. The body is 1.8" in outside diameter.
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
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Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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