8mm Forum: ELF/EIKI lens

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Topic: ELF/EIKI lens

Sam J. Clarke
Junior
Posts: 28
From: Newcastle, England
Registered: May 2008

posted July 05, 2008 05:05 PM

I have an ELF projector with a 50mm lens which I think is the standard lens ELF projectors came with. When I watch a film with the projector the picture is quite small.

The distance from the projector to the screen is about 10ft and the screen is about 3 1/2ft X 5ft ish.

What I want to know is what size lens I should try and get and also if getting a lens that size will do anything bad to the picture.

Thanks for any help,
Sam [Smile]

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Hugh McCullough
Expert Film Handler

Posts: 156
From: Old Coulsdon. Surrey. UK
Registered: Oct 2006

posted July 05, 2008 05:38 PM

Hello Sam.

Go to this web page
www.cinephoto.co.uk/amazing_film_facts.htm

It has a lens/picture size chart that might be of help.
The focal length of the lens are in inches, so you will have to convert to metric.

Hugh.

--------------------
EIKI Ex 6100 xenon machine.

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Sam J. Clarke
Junior
Posts: 28
From: Newcastle, England
Registered: May 2008

posted July 05, 2008 05:50 PM

Thanks, that page is great. [Smile]

Looking at it, it seems I want a 3/4" (20mm) lens. Will that size of lens do anything bad to the picture or are all lenses fine no matter what size? Sorry, I don't know much about lenses yet.

Thanks for your help,
Sam

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Mark Todd
Film God

Posts: 3846
From: UK
Registered: Aug 2003

posted July 05, 2008 06:50 PM

Hi Sam that sounds about right, the best way for an eiki is a 25mm lens, sankor etc with a zoom converter that will take you up or down 20%.
Elmo do a very nice 20mm lens but only 40mm bore so awkward to redo for an eiki.( 42.5mm i believe)
Very nice isco 25mms with a zoom converter come up fairly reasonably on ebay de.
Keep the faith, its worth waiting to get one, there is also a very nice chap in sunderland who may have a 25mm called keith, has lots of 16mm stuff, if you dont know him yet email your email address to me and i`ll pass it along to him.
Best Mark.

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Sam J. Clarke
Junior
Posts: 28
From: Newcastle, England
Registered: May 2008

posted July 09, 2008 02:07 PM

Thanks for the help. [Smile]

I've had a look on eBay but there are none on at the moment, I will keep looking though.

No, I don't know him yet, my e-mail is: sam [at] samclarke (dot) com

Thanks for all your help,
Sam [Big Grin]

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