Mike645 Member Allowing Ads Joined Nov 26, 2011 Messages 20 Format Medium Format Feb 21, 2013 #1 Hi folks... does anyone out there know the correct rating for the bulb in the SEI Photometer - Is 6 volt 6 watt correct? Thanks for all and any info Mike,
Hi folks... does anyone out there know the correct rating for the bulb in the SEI Photometer - Is 6 volt 6 watt correct? Thanks for all and any info Mike,
Bill Burk Subscriber Allowing Ads Joined Feb 9, 2010 Messages 9,546 Format 4x5 Format Feb 21, 2013 #2 Not 6 volt 6 watt, Inside you have a 1.5 volt D cell battery. I used a No. 131 from Bulbster.com 1.3V .1A/G3-1/2 Mini Screw Base SKU: 40252
Not 6 volt 6 watt, Inside you have a 1.5 volt D cell battery. I used a No. 131 from Bulbster.com 1.3V .1A/G3-1/2 Mini Screw Base SKU: 40252
Bill Burk Subscriber Allowing Ads Joined Feb 9, 2010 Messages 9,546 Format 4x5 Format Feb 21, 2013 #3 I don't see the bulb rating on page 10. Can't imagine a D-Cell even making such a bulb glow. The original bulb was frosted, the replacements are clear, so I "sanded" the bulb to make it frosted.
I don't see the bulb rating on page 10. Can't imagine a D-Cell even making such a bulb glow. The original bulb was frosted, the replacements are clear, so I "sanded" the bulb to make it frosted.
Ian C Member Allowing Ads Joined Feb 8, 2009 Messages 1,331 Format Large Format Feb 21, 2013 #4 A closer reading shows that PDF page 20 refers to an external illuminator accessory rather than the internal lamp. http://www.jollinger.com/photo/cam-coll/manuals/meters/SEI_Photometer.pdf
A closer reading shows that PDF page 20 refers to an external illuminator accessory rather than the internal lamp. http://www.jollinger.com/photo/cam-coll/manuals/meters/SEI_Photometer.pdf
Bill Burk Subscriber Allowing Ads Joined Feb 9, 2010 Messages 9,546 Format 4x5 Format Feb 21, 2013 #5 Now THAT, I believe. Sure would be nice to have an external standard illumnant. Instead I just adjust the bulb until the dial agrees with one of my other spotmeters then I mark a needle line on a piece of screen protector.
Now THAT, I believe. Sure would be nice to have an external standard illumnant. Instead I just adjust the bulb until the dial agrees with one of my other spotmeters then I mark a needle line on a piece of screen protector.
John G1NML Member Allowing Ads Joined Apr 29, 2006 Messages 4 Location Coventry, We Format Med. Format RF Feb 21, 2013 #6 Try this - it is Roger Hicks web site, and he has some good stuff there. http://www.rogerandfrances.com/subscription/sei.html There is a LED conversion made by huw@huws.org.uk. Don't know anything about it but it might help.
Try this - it is Roger Hicks web site, and he has some good stuff there. http://www.rogerandfrances.com/subscription/sei.html There is a LED conversion made by huw@huws.org.uk. Don't know anything about it but it might help.