Small but fine: Guide Orion O435CS - very compact thermal imaging attachment

Das Guide Orion O435CS is a very compact thermal imaging clip-on device for hunting and is considered the entry-level model of the new Orion-C series from Guide Sensmart. It was introduced in 2026 and is primarily designed for low weight, high image quality, and a comparatively affordable price.
Technical Data

Feature
Value




Sensor
400 × 300 Pixel VOx


Pixel size
12 μm


NETD
≤ 15 mK


Lens
35 mm F/0.9


Frame rate
50 Hz


Detection range
up to 1,800 m


Field of view
13 × 10 m at 100 m


Display
AMOLED 1024 × 768


Weight
only 285 g


Protection class
IP67


Recoil resistance
up to 6,000 J


Battery life
6.5–8 hours


Start-up time
approx. 3 seconds

Strengths
Very light and compact – at 285 g it is one of the lightest clip-on devices on the market. This hardly changes the weapon balance.
Very sensitive sensor (15 mK NETD) – detects even slight temperature differences in fog, rain, or summer temperatures.
Bright 35 mm F0.9 lens – ensures high image brightness and good detail recognition.
Price-performance ratio – with an MSRP of about €1,099, it is one of the more affordable quality clip-on devices.

Who is it suitable for?
The O435CS is especially suitable for:

Stand hunters
Users looking for a lightweight clip-on device
Secondary weapon equipment
Budget-conscious hunters who still want a modern sensor with very good NETD