17.5mm - 25mm Length, S-Mount Fine Focus Tube

Volume Pricing
Qty 1-4	S$100.80 each
Qty 5-9	S$89.74 each
Qty 10-25	S$83.02 each
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Specifications

General

Type:

Fine Focus Tube

Function:

Extension Tube (Adjustable)

Physical & Mechanical Properties

Extension Length (mm):

17.5 - 25.0

Outer Diameter (mm):

20.0

Clear Aperture CA (mm):

10.0

Threading & Mounting

Barrel Thread:

M10 x 0.5

Thread Type:

S-Mount

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 235:

Compliant

Product Details

Finely Threaded Internal Barrel for Fine Focus Adjustments
Inner Diameter Baffle Thread for Stray Light Reduction
Knurled Lip on Female End for Controlled Adjustments

TECHSPEC® C, S, and T-Mount Fine Thread Focus Tubes are used for making precision adjustments to optical element positions within a system. These tubes feature an outer barrel with male C, S, or T-Mount thread at the base end and a finely threaded interior barrel to allow for fine focusing. The secondary barrel has a female S, C, or T-Mount thread, knurled ring at the front end for easy adjustment, and a threaded interior for light baffle. Set screws can be used to fix the extension position. TECHSPEC C, S, and T-Mount Fine Thread Focus Tubes offer different extension length options to meet specific application demands.

Note: Compatible Allen wrenches for C, S, and T-Mount Fine Thread Focus Tubes (#56-271, #55-452, and #58-637, respectively) sold separately.