DFM Engineering, Inc.
1035 Delaware Ave. Unit D
Longmont, CO 80501
Phone: 303-678-8143
Fax: 303-772-9411

Slide Mirror (SM-125™)

• Flip mirror function with high position accuracy using a roller slide mechanism

• SM-125™ assembly allows fields viewing to verify and center an object and straight through direct imaging

• May be used to select between two different cameras

• Uses standard 1.25 inch eyepiece or a CCD camera for field viewing

• Manual operation with push rod and position indicator

• Parfocal between the two focal planes

• Optional motorized operation from control room

• D.C. motor used for low power consumption and heat generation

• Motorized version provides power for DFM Filter Wheel and for a field viewing camera

• DFM Filter Wheel directly attaches to the SM-125™

• Adapters allow mounting to any telescope

• Low profile - only 2.75 inches

• Low weight - only 2.5 pounds


Guide Acquire Module

Filter Wheel


X-Y Guider


Smart Auto Guider™ (SAG™)

Articulated Relay Eyepiece (ARE-125™)