8mm Forum: Eiki lens thread sizes please.

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Topic: Eiki lens thread sizes please.

Mark Todd
Film God

Posts: 3846
From: UK
Registered: Aug 2003

posted December 01, 2014 04:29 PM

Hi this is probably one for Maurice ( thanks if it is )and thank you anyone else.

But can someone please tell me the outer and inner thread sizes on a supaer sankor eiki 25mm lens please.

Also can someone tell me the external ( one thats screws in ) thread size on elmo zoom converters please.

Many Thanks Mark.

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Mark Todd
Film God

Posts: 3846
From: UK
Registered: Aug 2003

posted December 02, 2014 12:08 PM

Hhhhheeeellllppppp.

Thanks Mark.

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Mark Todd
Film God

Posts: 3846
From: UK
Registered: Aug 2003

posted December 07, 2014 06:36 AM

I am going to try to work it out myself but can someone tell me if you measure in to the depth of the thread so say the same as the front before the thread, or the outside of the thread.

Likewise on an inside the lens ring thread please.

Thanks Mark.

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Maurice Leakey
Film God

Posts: 5895
From: Bristol. United Kingdom
Registered: Oct 2007

posted December 07, 2014 09:59 AM

Mark
Sorry that I cannot help with measurements, however, I suggest you get in touch with SRB. They recently made a special adapter ring for me to screw blue filters onto my prime Bell & Howell 2" lens.
The lady who answers the telephone is the proprietor's daughter, I eventually spoke to him, and he's been in the business for years, and knew off heart the size of the Bell & Howell lens. No doubt, he would be able to help with your enquiries.
http://srb-photographic.co.uk/lens-adaptors-1167-c.asp

--------------------
Maurice

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Mark Todd
Film God

Posts: 3846
From: UK
Registered: Aug 2003

posted December 07, 2014 12:42 PM

hi Marice that looks great, thank you, I will speak to him this week and also see if I can work out where to measure etc with a small metal ruler.

Not very scientific, and lots of options on there.

Anyone know if you measure from the valley of the thread or top please.

Many Thanks Mark.

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