The Guide Orion O435CS is a high-performance thermal clip-on device designed for precision shooting and observation. Thanks to its true 1x magnification, it can be mounted in front of a daytime riflescope without changing the point of impact, making it a practical solution for hunting in low-light or night conditions.
The device combines compact dimensions with powerful internal technology, offering a highly sensitive thermal sensor and advanced image processing. This ensures reliable detection and identification of targets even in challenging environments such as dense vegetation or adverse weather conditions.
Its lightweight design improves handling and reduces overall system weight, while the rugged housing ensures long-term durability in demanding field use.
Orion O435CS Clip-On
- Ultra-Compact Clip-On Design: The Orion O435CS is one of the smallest thermal imaging clip-on devices on the market, measuring just 99 × 73 × 68 mm and weighing only 285 g, making it exceptionally lightweight and easy to handle in the field.
- Advanced Thermal Sensor: The Orion O435CS features a 400×300 @ 12 µm VOx sensor with an outstanding NETD of 15 mK, delivering exceptional image detail and thermal sensitivity even in challenging weather conditions such as fog, rain, or high humidity.
- ApexVision S1 Technology: Equipped with the ApexCore S1 detector, the Nexus 1.0 platform, and the Hyper-Light 2.0 algorithm, the device delivers enhanced image clarity, improved contrast, and improved object recognition in complex environments.
- Clip-On Design (1x Magnification): Designed as a thermal clip-on device with true 1x magnification, allowing seamless use in front of a daytime riflescope without affecting point of impact or requiring re-zeroing.
- High-Performance Optics: The 35 mm F0.9 objective lens ensures excellent light transmission and enables detection of heat signatures up to 1800 meters.
- Wide Field of View: Offers a field of view of 13 × 10 m at 100 m, providing a good balance between situational awareness and target detection.
- AMOLED Display: Equipped with a 1024×768 AMOLED display, delivering sharp, high-contrast images with smooth rendering for comfortable long-term observation.
- Multiple Color Palettes: Includes several viewing modes such as White Hot, Black Hot, Red Hot, Green Hot, Iron Red, Blue Hot, and Sepia, allowing users to adapt the image to different environments and preferences.
- Replaceable Battery System: Powered by a single 18500 battery with up to 8 hours of operating time, ensuring reliable performance during extended use in the field.
- Durable and Weatherproof: Built with IP67 protection and high shock resistance (6000 J), making it suitable for demanding outdoor conditions and heavy recoil calibers.
- Universal Mounting Interface: Compatible with adapter systems using a M33.5×0.75 thread, allowing flexible mounting on a wide range of riflescopes.
- 400×300 @ 12 µm thermal sensor
- NETD ≤ 15 mK thermal sensitivity
- 35 mm F0.9 objective lens
- 1x magnification (clip-on use)
- Detection range up to 1800 m
- Field of view: 13 × 10 m @ 100 m
- 1024×768 AMOLED display
- Multiple color palettes
- Manual focus
- 50 Hz frame rate
- USB-C interface
- Replaceable 18500 battery
- Up to 8 hours of operating time
- IP67 waterproof rating
- Shock resistance up to 6000 J
- M33.5×0.75 mounting thread
- Compact and lightweight design (285 g)

