Optec OPTEC-4300 to Receiver for OPTEC-3000 Drawtube Adapter
Best precision adapter for astrophotographers seeking seamless hardware integration.
This adapter bridges the gap between specific focusing systems and drawtube accessories. It provides a secure, reliable connection that expands the versatility of existing imaging equipment setups.
$135.00
at
Cloudbreakoptics
Who it's for
- Astrophotographers looking to bridge different Optec equipment standards
- Serious imagers requiring rigid support for heavy camera payloads
- Optical enthusiasts managing tight back-focus requirements in their imaging trains
Who should skip it
- General hobbyists seeking universal mounting solutions for varied equipment
- Budget-conscious astronomers looking for more affordable mounting alternatives
- Users needing versatile adapters for multiple different diameter connections
Performance breakdown
Mechanical Precision
Machined tolerances ensure zero wobble when integrating heavy imaging gear.
Installation Simplicity
Included hardware and hex key make the setup process intuitive.
System Compatibility
Perfectly bridges the gap between OPTEC-3000 and Gemini rotator standards.
Build Durability
Rugged construction withstands the rigors of frequent equipment swaps.
Alignment Stability
Setscrew design locks components firmly to prevent optical axis shifting.
Versatility
Expands your existing accessory library without requiring a full system overhaul.
Key Specs
Inside Diameter
3.5 inches DSI Thread
Outside Diameter
4.95 inches (125.7 mm)
Overall Height
0.75 inches (19.1 mm)
Clear Aperture
3.46 inches (88 mm)
Weight
8.2 oz (230 g)
Back-Focus Usage
0.75 inches (19.0 mm)
Compatibility
Gemini Focusing Rotator, Optec/DSI 3.5 inch Threaded Spacers, OPTEC-4300 Male Dovetail Adapter
Included Items
Three oval-point setscrews, 5/64 inch hex key
Barrel Diameter
3 inches
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