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Slots on the rear of the cabinet allow for wall mounting.

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ESK25 is shown on an RK4102 rack shelf, which is installed in an RK3884 19" rack.

Features

• Lens Tubes and Accessories for Ø1" Optics
• Frame Dimensions (L x W x D): 11.08" x 17.13" x 11.11" (281.3 mm x 435.0 mm x 282.3 mm)
• Drawer Dimensions (L x W x D): 2.27" x 4.14" x 10.90" (57.5 mm x 105.3 mm x 276.9 mm)
• Easy-to-Read Labels List Contents for Each Drawer
• Savings Over Individual Component Products

This kit contains our most popular SM1 (1.035"-40) threaded optomechanical components as well as many common accessories used with our SM1-threaded lens tubes. Refer to the Contents tab above for detailed information about the included components. The contents of this kit are compatible with our vast selection of 30 mm optical cage system components. Additionally, our ESK18 (ESK18/M) Ø1" Optics Mounts Kit includes components compatible with SM1 threads. We also offer the ESK13 (ESK13/M) and ESK24 SM05 Lens Tube Kits; the ESK26 SM2 Lens Tube Kit; the ESK07A
(ESK07A/M) Cage Assemblies and Lens Tubes Kit, which includes SM1-threaded and 30 mm cage system components; and the ESK07B ESK07B/M) Cage Assemblies and Lens Tubes Extension Kit, which includes SM1- and SM2-threaded components and 30 mm and 60 mm cage system components.

Mounting Options
The kit can be stored on a tabletop for easy, convenient access or placed on an RK4101 or RK4102 rack shelf, both of which can be installed in our RK3884 standard 19" rack. The image to the right shows an ESK25 as well as another custom-labeled 16-drawer cabinet installed in a 19" rack. The cabinet used in this kit has slots in the rear of the case (see image to far right) for wall mounting and features indentations on the top and four feet on the bottom for stable stacking. Warning: this kit weighs approximately 23 lbs (10.4 kg); ensure that the wall and wall mounts can support this weight before mounting.

Kit Components

The ESK25 includes the listed components and an ST16 16-Drawer Cabinet.

SM1 Lens Tubes
Item # and Description	Photo (Click to Enlarge)	Quantity
SM1L03 SM1 Lens Tube, 0.30" Thread Depth, One Retaining Ring Included		5
SM1L05 SM1 Lens Tube, 0.50" Thread Depth, One Retaining Ring Included		5
SM1L10 SM1 Lens Tube, 1.00" Thread Depth, One Retaining Ring Included		5
SM1L15 SM1 Lens Tube, 1.50" Thread Depth, One Retaining Ring Included		5
SM1L20 SM1 Lens Tube, 2.00" Thread Depth, One Retaining Ring Included		5
SM1L30 SM1 Lens Tube, 3.00" Thread Depth, One Retaining Ring Included		4
SM1L40 SM1 Lens Tube, 4.00" Thread Depth, One Retaining Ring Included		3
SM1E60 SM1 Extension Tube, 6" Long, 1" Thread Depth, One Retaining Ring Included		2
SM1M05 SM1 Lens Tube Without External Threads, 1/2" Long, Two Retaining Rings Included		4
SM1M10 SM1 Lens Tube Without External Threads, 1" Long, Two Retaining Rings Included		4
SM1M20 SM1 Lens Tube Without External Threads, 2" Long, Two Retaining Rings Included		4
SM1M30 SM1 Lens Tube Without External Threads, 3" Long, Two Retaining Rings Included		4
SM1L20C SM1 Slotted Lens Tube, 2" Thread Depth, 2 Retaining Rings Included		3
SM1L30C SM1 Slotted Lens Tube, 3" Thread Depth, 2 Retaining Rings Included		3
SM1V05 Ø1" Adjustable Lens Tube, 0.31" Travel Range		2
SM1V10 Ø1" Adjustable Lens Tube, 0.81" Travel Range		2
SM1V15 Ø1" Adjustable Lens Tube, 1.31" Travel Range		2

SM1 Couplers and Spacers
Item # and Description	Photo (Click to Enlarge)	Quantity
SM1T1 SM1 (1.035"-40) Coupler, Internal Threads, 0.29" Long		3
SM1T2 SM1 (1.035"-40) Coupler, External Threads, 1/2" Long		3
SM1T10 SM1 (1.035"-40) Coupler, External Threads, 1" Long		3
SM1S10 SM1 Lens Tube Spacer, 1" Long		4
SM1S20 SM1 Lens Tube Spacer, 2" Long		4

SM1 Adapters and Accessories
Item # and Description	Photo (Click to Enlarge)	Quantity
SM1ZM SM1 Zoom Housing for Ø1" Optics, Non-Rotating, 4.1 mm Travel		2
SM1NR1 SM1 Zoom Housing for Ø1" Optics, Non-Rotating, 2" (50.8 mm) Travel		1
AD9.5F SM1-Threaded Adapter for Ø9.5 mm Cylindrical Components		2
AD11F SM1-Threaded Adapter for Ø11 mm Cylindrical Components		2
AD12F SM1-Threaded Adapter for Ø12 mm Cylindrical Components		2
AD15F SM1-Threaded Adapter for Ø15 mm Cylindrical Components		2
SM1SH1 SM1-Threaded Manual Beam Shutter, Ø7.2 mm Clear Aperture		2
SM1D12D SM1 Ring-Actuated Iris Diaphragm (Ø0.8 - Ø12 mm)		2
SM1TC Ø1.20" Clamp for SM1 Lens Tubes and C-Mount Extension Tubes		5
SM1B3 SM1 Lens Tube Bellows, Rubber, 1.50" to 8.66" Long		2
SM1PL Externally SM1-Threaded Plug		3
SM1CP1 Internally SM1-Threaded End Cap		3
SM1CP2 Externally SM1-Threaded End Cap		3
VRC1SM1 SM1-Threaded UV and Visible Alignment Disk (250 - 540 nm)		1
VRC2SM1 SM1-Threaded Visible and IR Alignment Disk (400 - 640 nm, 800 - 1700 nm)		1
VRC4SM1 SM1-Threaded IR Alignment Disk (790 - 840 nm, 870 - 1070 nm, 1500 - 1590 nm)		1

SM1 Spanner Wrenches and Retaining Rings
Item # and Description	Photo (Click to Enlarge)	Quantity
SM1NT1 SM1 (1.035"-40) Locking Ring, 1.25" Outer Diameter, Slots for Spanner Wrench		5
SPW502 Spanner Wrench for Slotted SM05, SM1, and C-Mount Locking Rings		1
SPW602 Spanner Wrench for SM1-Threaded Retaining Rings, Graduated Scale with 0.1" (2.5 mm) Increments, Length = 3.88"		1
SM1RR SM1 Retaining Ring for Ø1" Lens Tubes and Mounts		10
SM1LTRR SM1 (1.035"-40) Stress-Free Retaining Ring		3