Ca K module waiting for the ERF by Andy Dodson

Andy Dodson | all galleries >> Solar Photography >> Evoloution of my Ca K filter > Ca K module waiting for the ERF


14-MAY-2012

Ca K module waiting for the ERF

I was now waiting for an energy rejection filter (ERF) to reduce the heat load. This was especially importatnt as I planned to use the module in scopes of around 100mm aperture, so the heat load was going to be much greater than when it was in the 40mm f10 original configuration.

Canon EOS 5D
1/50s f/4.0 at 50.0mm iso640 hide exif

Full EXIF Info
Date/Time	14-May-2012 21:23:38
Make	Canon
Model	Canon EOS 5D
Flash Used	No
Focal Length	50 mm
Exposure Time	1/50 sec
Aperture	f/4
ISO Equivalent	640
Exposure Bias	0.33
White Balance
Metering Mode
JPEG Quality
Exposure Program
Focus Distance

other sizes: small medium large original auto

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