Zeiss DTI 4/35 Thermal Imaging Camera

SKU 527017-0000-000      CID 160513

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Free tmA adapter with Swarovski tM35 purchase. See details below. Free tmA adapter with Swarovski tM35 purchase. See details below.
The Zeiss DTI 4/35 Thermal Imaging Camera with its 35mm f/1.0 lens has the wider field of view (FOV) of the DTI 4 models, 650' at 1000 yards. The DTI 4 imagers build on the features of the DTI 1 and DTI 3 Gen 2 models with a 640x512 pixel sensor with 12µm pixel pitch and <25mK sensitivity, all of which yields higher resolution and increased viewing and recognition distance (2017 yds) due to less pixelation.

The 4x digital zoom enlarges the base magnification of 2.0x up to 8.0x in 0.5x steps. The angular FOV is 12.5° x 10°

The DTI 4/35 has a built-in Lithium-ion battery that has a 7 hour life per charge, which is done by USB cable. The USB connection can also be used to download photos and videos or run off of an external power supply. Internal memory is 32 GB. The DTI 3/35 G2 is also 2.4 GHz WiFi IEEE 802.11 b/g/n capable and can provide streaming images to cell phones with the Zeiss Hunting app installed.

    New features include:
  • Improved Thermal Sensor 640x512 px, 12µm pixel pitch, <25mK sensitivity.
  • Longer Detection Range 2017 yards.
Generation: Digital/Thermal Hybrid
Sensor Resolution (pixels) 640x512 Pixels
Display Resolution (Pixels) 1024x768 Pixels
Frame Refresh Rate 50 Hz
Magnification: 2x optical, 2-8x digital zoom
Objective Dia. 35 mm
Field of View (°): 12.5 x 10 °
Battery type: Lithium-ion
Battery life: 7 hrs
Thermal Sensitivity <=25 mK @f/1.0
Video Output Wi-Fi (2.4 GHz) / USB-C
Product Weight (oz): 15.2 oz.

Included In The Box

  • ZEISS neck strap and pouch
  • USB-AtoUSB-Ccable
  • USB-AtoUSB-Cadapter end
  • ZEISS cleaningcloth
  • Quick guide
  • Safety instructions
  • Warranty Card
  • EULA document
ZEISS grants a minimum warranty period of two years from the date of purchase for the ZEISS DTI 3/25 and 3/35 Thermal Imaging Camera. The DTI 3/25 and 3/35 are also eligible to have the warranty extended by one year, for a total of three years, if the buyer registers the product via ZEISS Online Registration within four weeks of the purchase date. Register online at

Zeiss Smart Image Processing

Thermal images are typically dark and have difficulty separating warm temperatures from cool ones, resulting in a low contrast image. You can see this in the "Undesired Image" below. The Zeiss Smart Image Processing (ZSIP) software optimizes the thermal image to improve contrast and distinguishable detail into a "Desired Image".


Color Mode Comparison

All DTI models now have eight available color modes which can be chosen via the menu. Each color mode has advantages over the others, some in contrast, some in lowering eye fatigue, and some in finding the thing you're looking for.


Resolution and Contrast Comparison DTI 3/35 G2 vs. DTI 4/35

The DTI 4/35 has a larger sensor (640x512 vs. 384x288) and a finer pixel pitch (12µm vs. 17µm). The photos below show the difference.

image comparison

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