[Leica] IMGs: Friday: Look at flowers with “invisible” light
Ken Carney
kcarney1 at cox.net
Fri Sep 11 14:26:14 PDT 2015
Didn't know that (obviously). With the Fuji in bright sun, it is 1/15
and 2.8, ISO 2000.
Thanks,
Ken
On 9/11/2015 2:18 PM, George Lottermoser wrote:
> On Sep 11, 2015, at 2:09 PM, Ken Carney wrote:
>
>> Very nice. That must be a pretty long exposure with that steep a cut.
>>
>> Ken
>>
>> On 9/11/2015 10:36 AM, George Lottermoser wrote:
>>> C & C always welcome and appreciated
>>>
>>> <http://www.imagist.com/blog/?p=10086>
> Remember that the M8 is VERY infrared sensitive Ken.
> These exposures are all hand held
> 1/4 to 1/30 of a second
> f:2.8 to f:4
> with the camera set at ISO 320
> in the late afternoon
> many in shade
>
> When I put the same filter on the M (240)
> and set the camera at ISO 1250
> I need a 1/2 sec at f:2
> and the shadows are seriously underexposed;
> because the sensor has an IR cutoff filter over it.
>
> As do the Fuji sensors.
>
> So the M8 is really quite a different IR beast
> it was [inadvertantly] built as an IR body.
>
> Regards,
> George Lottermoser
>
> http://www.imagist.com
> http://www.imagist.com/blog
> http://www.linkedin.com/in/imagist
>
>
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