Camera and focus

This section houses the core imaging components, including the high-resolution CMOS camera and the mechanisms for focus adjustment.

Completed camera assembly

Parts

The following 3D printed parts are available in our hardware repository .

Camera mount (3D printed)

Focus Motor Mount (3D printed)

Set of Focus Pulleys (3D printed)

Quantity Description McMaster Part Number
1 Positioning Table 60935K71
4 18-8 Stainless Steel Hex Drive Flat Head Screw 92125A052
4 Zinc-Plated Alloy Steel Hex Drive Flat Head Screw 91263A862
4 18-8 Stainless Steel Socket Head Screw 91292A831
2 18-8 Stainless Steel Socket Head Screw 91292A264
2 18-8 Stainless Steel Thin Hex Nut 90710A145
1 18-8 Stainless Steel Socket Head Screw 91292A833
1 Oil-Resistant Buna-N O-Ring 9262K183

Procedure

Start by attaching the Positioning Table (60935K71) with two M1.6 socket head screws (91292A264) and thin hex nuts (90710A145) to the camera mount.  Then attach the focus motor mount to the other side of the positioning table with 4 zinc plated flat head screws (91263A862).  Then mount the stepper motor (STEPPERONLINE Micro Step Motor Nema 8 Bipolar Stepper Motor 0.6A 5.7oz.in/4Ncm DIY Robot, stepperonline.com) with 4 flat head screws (92125A052).  Attach the small pulley to the motor and the large pulley to the adjustment knob and tighten the pulley with one M2 socket head screw (91292A833).

Connect the two pulleys a 2x22 Buna-N O-ring (9262K183). Mount the camera (XSenIMX183) to the camera mount with 4 Socket Head Screws (91292A831).  Set the subassembly aside.