These attachment optics have an integrated compass, inclinometer as well as a stadiametric rangefinder. Power is supplied via batteries or an external USB power cable.

The MERLIN-42 can be handheld and used as an attachment optic for day optics. The optic has an integrated compass, inclinometer. Power is supplied by standard 2xCR123 batteries or rechargeable batteries. The powerful VOx detector and the LCOS display in QVGA format (1,280 x 960 pixels) provide sharp, high-contrast images. The manually focusable 42 mm objective lens allows a detection range of up to 1,482 m. The built-in VOx detector enables an 8x magnification of the daytime optics. Please observe the respective national hunting laws

Technical features:

- Objective lens (mm): 42
- Frame rate Hz: 50
- Detector material: VOx
- Detector resolution (pixels): 384 x 288
- Pixel pitch: 17
- Shutter/calibration: auto/manual
- Display resolution (pixels): 1. 280 x 960
- Optical magnification: 3- Zoom digital: 2/4x
- Field of view: 9x7°
- Field width at 100 m in m: 16
- Pixel FOV (mRad): 0.4
- Weight: 420 g
- Power: 2 x CR123 batteries/rechargeable
- Image video storage (internal): no
- Wi-Fi Life: no
- Detection (m): 1482
- Dimension L x W x H: 155 x 55 x 55 mm