Dream Chip ATOM one Operationele handleiding - Pagina 12
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Optical System
4.2 Lens Recommendations
4.2.1 Corner Shading / Lens Shading
ATOM one is a 2/3" sensor class camera, but the pixels are ~6% larger than on
other cameras in the market. This leads to 6% more sensitivity and 6% more
field of view compared to other cameras. The projection circle is 13mm instead
of 11mm.
For this reason not all 2/3" optics will work on the ATOM one. This can be seen
as shading in the corners. Our tests have shown, that most 2/3" optics are
working fine, but you should perform tests before operation.
For wide angles 1" lenses are required due to the large sensor area.
To some degree shaded corners (not black) can be corrected with the camera
in-build lens shading correction functions.
4.2.2 Resolution
For maximum details we recommend 5M pixel C-mount lenses. These will give
best performance up to the outer corners. In many cases 2M pixel will also give
full resolution.
1M pixel CCTV lenses are not recommended for ATOM one.
4.3 Recommended lenses
The following lenses have been tested good on ATOM one cameras:
Kowa LM16JC5M2 2/3" 16mm/F1.4, 5MP
Kowa LM16JC10M 2/3" 16mm/F1.8 10MP
Pentax / Ricoh FL-CC1614-5M 16mm F1.5, 5MP
Computar M2518-MPW2, 25mm F1.8 2MP
Computar M1620-MPW2, 16mm F2.0 2MP
Computar M1224-MPW2, 12mm F2.4 2MP
Computar M0824-MPW2, 8mm F2.4 2MP
Kowa LM6HC 1" 6mm/F1.8 (* For wide angel 1" is required)