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Microscope Objective Cases and Caps


  • Protective Cases for Microscope Objectives
  • Caps for RMS-Threaded Objectives and Turret Ports

OC2M32

Lid with Internal
M32 x 0.75 Threading

OC22

Objective
Canister

RMSCP2

Cap with External
RMS Threading

Assembled objective containers have an air gap around the objective to prevent abrasion damage.

Objective Case Lids and Canisters
Sold Separately

Application Idea

OC2RMS Lid and OC22 Canister
Shown with Thorlabs Microspot Objective

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Thorlabs offers both objective cases and caps to protect microscope objectives. Our cases are ideal containers for objective storage and transport and are available for objectives with RMS (0.800"-36), M25 x 0.75, C-Mount (1.000"-32), M26 x 0.706, and M32 x 0.75 threading. Two canister sizes are available to fit objectives with a shoulder-to-tip length of up to 91.0 mm (3.58"). SM05 (0.535"-40) and SM1 (1.035"-40) threaded options are available for optical assemblies built using our Ø1/2" lens tubes or Ø1" lens tubes, respectively.

We also offer RMS-threaded caps that can be used to protect the back aperture of an objective or open ports on an RMS-threaded objective turret. 


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Microscope Objective Cases (Lids and Canisters Sold Separately)

Optic Storage
Click to Enlarge
View Imperial Product List
Item #QtyDescription
OC2SM11Lid for Objective Case, Internal SM1 (1.035"-40) Threads
SM1A651Adapter with External SM1 Threads and Internal 8-32 Threads, 0.23" Thick
POLARIS-C1G1Polaris Ø1" Glue-In Fixed Mount, Optimized for Mirrors
BB1-E021Ø1" Broadband Dielectric Mirror, 400 - 750 nm
OC221Canister for Objective Case, Fits Objectives up to 50 mm Long (Lid Not Included)
View Metric Product List
Item #QtyDescription
OC2SM11Lid for Objective Case, Internal SM1 (1.035"-40) Threads
SM1A661Adapter with External SM1 Threads and Internal M4 x 0.7 Threads, 5.7 mm Thick
POLARIS-C1G1Polaris Ø1" Glue-In Fixed Mount, Optimized for Mirrors
BB1-E021Ø1" Broadband Dielectric Mirror, 400 - 750 nm
OC221Canister for Objective Case, Fits Objectives up to 50 mm Long (Lid Not Included)
SM1-threaded optomechanical adapters can be used to secure a glue-in Polaris® mount in an objective case.
Magnet on the Objective Case Secures the Bottom to an Optical Table
Click to Enlarge

The bottom of the canister
features a magnet for stability.
  • Plastic Lids with Internally Threaded Brass Inserts 
  • Clear Plastic Canisters for Objectives up to 50.0 mm or 91.0 mm Long (Shoulder-to-Tip Length)
  • Magnet on Canister Increases Stability on Optical Tables
  • Lids and Canisters Sold Separately

These microscope objective cases are comprised of a lid and a canister, each sold separately. These are designed to store and transport microscope objectives or other small optical assemblies mounted in our Ø1/2" lens tubes or Ø1" lens tubes. Please refer to the tables below for objective compatibility.

Each lid has a brass insert with internal threading to secure the objective. They are designed with large external ridges to reduce the likelihood of the canister rolling when on its side and include an adhesive label for noting the stored objective. Cansiters are offered in two lengths; the maximum allowed objective length is measured from the shoulder to the tip (end) of the objective and does not include the threaded portion. The bottom of each canister has an integrated magnet for stability when upright on an optical table. Polycarbonate should only be cleaned with ethanol, methanol, or isopropyl alcohol. Acetone and other solvents may damage the material.

Microscope objectives with thread types other than those available here can be mounted to a lid using a thread adapter. We also offer optomechechanical adapters for compatibility with 1/4"-20 (M6) and 8-32 (M4) threaded components as shown in the photo above. Please ensure that the adapter and mounted component fit together inside the canister; the adapter must have an outer diameter less than 1.81", and the configuration must not exceed the max objective lengths given below. 

Objective Case Lids
Item # OC2SM05 OC2RMS OC2M25 OC2CM OC2SM1 OC2M26 OC2M32
Product Image
(Click to Enlarge)
SM05 Objective Lid OC2RMS OC2M25 C-Mount Objective Lid OC2SM1 OC2M26 OC2M32
Internal Brass
Threading
SM05 Series
(0.535"-40)
RMS
(0.800"-36)
M25 x 0.75 C-Mount
(1.000"-32)
SM1 Series
(1.035"-40)
M26 x 0.706 M32 x 0.75
Material Polycarbonate
with Brass Insert
Objective Case Canisters
Item # OC22 OC24
Product Image
(Click to Enlarge)
OC22 OC24
Max Objective Length
(Shoulder-to-Tip)
50.0 mm (1.96") 91.0 mm (3.58")
Inner Diameter 1.81" (45.7 mm)
Material Polycarbonate
with Neodymium Magnet
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
OC2SM05 Support Documentation
OC2SM05Lid for Objective Case, Internal SM05 (0.535"-40) Threads
$14.42
Today
OC2RMS Support Documentation
OC2RMSLid for Objective Case, Internal RMS (0.800"-36) Threads
$14.42
Today
OC2M25 Support Documentation
OC2M25Lid for Objective Case, Internal M25 x 0.75 Threads
$16.48
Today
OC2CM Support Documentation
OC2CMCustomer Inspired! Lid for Objective Case, Internal C-Mount (1.000"-32) Threads
$16.48
Today
OC2SM1 Support Documentation
OC2SM1Lid for Objective Case, Internal SM1 (1.035"-40) Threads
$14.42
Today
OC2M26 Support Documentation
OC2M26Lid for Objective Case, Internal M26 x 0.706 Threads
$16.48
Today
OC2M32 Support Documentation
OC2M32Lid for Objective Case, Internal M32 x 0.75 Threads
$16.48
Today
OC22 Support Documentation
OC22Canister for Objective Case, Fits Objectives up to 50 mm Long (Lid Not Included)
$10.30
Today
OC24 Support Documentation
OC24Canister for Objective Case, Fits Objectives up to 91 mm Long (Lid Not Included)
$12.36
Today

Microscope Objective Caps

Objective Lens Turret Protected by RMSCP2 Dust Cap
Click to Enlarge

RMSCP2 Protecting Turret Ports
Microscope Objective Covered by RMSCP1 Dust Cap
Click to Enlarge

RMSCP1 Covering an Objective
  • RMSCP1: Internally RMS-Threaded Cap for Microscope Objectives
  • RMSCP2: Externally RMS-Threaded Cap for Objective Lens Ports

These RMS-Threaded Caps are designed to protect microscope objectives, objective lens turret ports, and other RMS (0.800"-36) threaded components. The RMSCP1 has internal RMS threading; with the addition of the RMSA2 adapter, it is also compatible with objectives with M25 x 0.75 threading. The RMSCP2 has external RMS threading to cover unused lens ports (see far right image). Each of these caps is made from anodized aluminum and has a knurled edge for secure hand tightening.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available
RMSCP1 Support Documentation
RMSCP1Internally RMS-Threaded Cap for Microscope Objective Lenses
$16.71
Today
RMSCP2 Support Documentation
RMSCP2Externally RMS-Threaded Cap for Objective Lens Ports
$16.71
Today
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