Height Spacers

Easily Adjust Optic Heights
Thicknesses Available from 0.01" (0.25 mm) to 2" (50 mm)
Equipped with an Array of Mounting Holes and Slots

BA2S6/M

12.5 mm Thick Spacer

BA2S1

0.010" Thick Spacer

BA2S8

2.0" Thick Spacer

LMR2
with Lens

TR Post

BA2
Base

BA2S7
Spacer

MVSNB

1.69" Thick Spacer

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Fixed Ø3" Kinematic Optic Mount Shown with BA2S3 (Silver Spacer Just Above the Breadboard) and BA2S7 (Black Spacer).

Features

Quick, Stable Adjustment of Fixed-Height Optical Systems
Thicknesses Available from 0.010" (0.25 mm) to 2" (50 mm)
Spacers Equipped with Various Hole Patterns (See Below for Details)

These spacers, except for Item # MSVNB(/M), are based on the outer profile of our BA2 Mounting Plate and are available in an array of thicknesses to facilitate changes in beam heights. The three thinnest spacers are fabricated from stainless steel, while the six thickest ones are fabricated from black anodized aluminum. Each spacer is equipped with two slots that accept 1/4"-20 (M6) capscrews and an arrangement of tapped, clearance, and/or through holes (see the tables below for details). The configuration of holes and slots provided on the BA2Sx(/M) spacers makes it easy to bolt multiple plates together and to create fixed-height optical systems. The MVSNB(/M) height spacer has two clearance slots perpendicular to each other that accept 1/4" (M6) capscrews and three 1/4"-20 (M6 x 1.0) tapped mounting holes.

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Spacers, Stainless Steel, Through Holes and Parallel Clearance Slots

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Item #	Thickness	Mounting Options	Material
BA2S1	0.010" (0.25 mm)	• 2 Clearance Slots: Ø0.27" (Ø6.7 mm) • 9 Through Holes: Ø0.27" (Ø6.7 mm)	Stainless Steel
BA2S1/M	0.25 mm (0.010")
BA2S2	0.025" (0.64 mm)
BA2S2/M	0.50 mm (0.020")
BA2S3	0.050" (1.27 mm)
BA2S3/M	1.25 mm (0.049")

Spacers, Black Anodized, Through Holes and Parallel Clearance Slots

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Item #	Thickness	Mounting Options	Material
BA2S4	0.15" (3.8 mm)	• 2 Clearance Slots: Ø0.27" (Ø6.7 mm) • 9 Through Holes: Ø0.27" (Ø6.7 mm)	Black Anodized Aluminum
BA2S4/M	4.0 mm (0.16")
BA2S5	0.25" (6.4 mm)	• 2 Clearance Slots: Ø0.27" (Ø6.7 mm) • 3 Through Holes: Ø0.27" (Ø6.7 mm) • 6 Taps: 1/4"-20 (M6 x 1.0)
BA2S5/M	6.25 mm (0.25")

Spacers, Black Anodized, Counterbored Holes and Parallel Counterbored Slots

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Item #	Thickness	Mounting Options	Material
BA2S6	0.50" (12.7 mm)	• 2 Counterbored Slots: Accept 1/4" (M6) Cap Screws • 6 Mounting Holes: 1/4"-20 (M6 x 1.0) • 3 Counterbored Holes: Accept 1/4" (M6) Cap Screws	Black Anodized Aluminum
BA2S6/M	12.5 mm (0.49")
BA2S7	1.00" (25.4 mm)
BA2S7/M	25.0 mm (0.98")
BA2S8	2.00" (50.8 mm)
BA2S8/M	50.0 mm (1.97")

Spacers, Black Anodized, Perpendicular Counterbored Slots

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Item #	Thickness	Mounting Options	Material
MVSNB	1.69" (43.0 mm)	• 2 Counterbored Slots for 1/4"-20 (M6) Cap Screws • 3 Mounting Holes: 1/4"-20 (M6 x 1.0)	Black Anodized Aluminum
MVSNB/M	43.0 mm (1.69")		Black Anodized Aluminum