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Filter Options:
- Type Ia* (astronomical UV/IR blocking)
- Clear
- Infrared
* Utilizes new generation 3 Type Ia filter
Note: Due to the physical construction of the 5D body, front filters
(between the camera lens and mirror) cannot be used as in the case
for the smaller 300D/350D/20D models.
Additional info from recent Japanese astronomy magazines:
- Tenmon Guide [1MB, PDF]
Comparison of 5D noise with other Canon digital
cameras (1D Mark IIN, 20Da, 1Ds Mark II)
- Vertical axis is labeled in exposure seconds.
The samples shown are from the central 500 pixels
of each frame, taken at 25°C.
- Hoshi Navi [934K, PDF]
Comparison of 5D noise with Canon 20Da - Vertical
axis is labeled in exposure minutes.
Note: Within each article exposures were done under the
same conditions, but the camera settings (such as ISO) were not
stated except as noted above.
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