8mm Forum: Additional Lenses For Bolex M8?

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Topic: Additional Lenses For Bolex M8?

Claus Harding
Phenomenal Film Handler

Posts: 1149
From: Washington DC
Registered: Oct 2006

posted January 18, 2008 10:13 AM

I am curious if other focal lenghts were offered for this machine in addition to the prime that came with it, as I have yet to see any such lenses for sale anywhere.

Thanks,
Claus.

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"Why are there shots of deserts in a scene that's supposed to take place in Belgium during the winter?" (Review of 'Battle of the Bulge'.)

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Joerg Polzfusz
Jedi Master Film Handler

Posts: 815
From: Berlin, Germany, Europe, Earth, Solar System
Registered: Apr 2006

posted January 18, 2008 10:33 AM

The Bolex Collector says: "LENS: Interchangeable lenses; Usually supplied with a Kern 20mm f/1.6. Later models were supplied with a Kern 20mm f/1.3 lens."
I'm not sure whether those "Interchangeable lenses" fulfilled any of those standards back then...

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Rob Watson
Junior
Posts: 22
From: Sheffield, UK
Registered: Apr 2005

posted January 18, 2008 11:00 AM

There were two others offered as standard, a 34mm and another around 25mm (I cant remember exactly). Very late M8s could take the 15mm lens used in the later 18-5. The 18-5's zoom lens will also fit the latest models but, being longer, interferes with the film path when rewinding. The lens housing on earlier M8s can be altered to take the 18-5 lenses by slightly grinding the lens locating pin with a Dremel or similar.

Rob

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Claus Harding
Phenomenal Film Handler

Posts: 1149
From: Washington DC
Registered: Oct 2006

posted January 18, 2008 11:41 AM

Thank you for the information; I have what I am assuming is the 'later' M8 (silver, not matte green, with the 1.3 lens)

I'll keep the 18-5 lens in mind.

Claus.

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"Why are there shots of deserts in a scene that's supposed to take place in Belgium during the winter?" (Review of 'Battle of the Bulge'.)

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Paul Adsett
Film God

Posts: 5003
From: USA
Registered: Jun 2003

posted January 18, 2008 02:24 PM

The Kern lenses used on the Bolex projectors are superb, just like their camera lenses - possibly the best 8mm lenses ever made. If you shoot reg 8 mm on a Bolex camera with Kern lenses, and then project on an 18-5 with a Hi-Fi Kern lens, you end up with unbelievable sharpness and contrast that puts even todays video to shame. High Definition? 8mm has had it for 50 years!

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The best of all worlds- 8mm, super 8mm, 9.5mm, and HD Digital Projection,
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Rob Watson
Junior
Posts: 22
From: Sheffield, UK
Registered: Apr 2005

posted January 21, 2008 06:37 AM

Claus - The grey finish M8 was introduced in August 1955, the revised lens holder much later, in December 1959. The later lens holder will accept both the M8 and the 18-5 lenses but you will only have it if you have a projector with serial number 467221 or later.

Rob

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Claus Harding
Phenomenal Film Handler

Posts: 1149
From: Washington DC
Registered: Oct 2006

posted January 21, 2008 07:59 AM

Rob, thank you, good to know.

I will check the number on it.

Claus.

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"Why are there shots of deserts in a scene that's supposed to take place in Belgium during the winter?" (Review of 'Battle of the Bulge'.)

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Anton Juan-Jorge Caro
Junior
Posts: 24
From: Slovakia, Bratislava
Registered: Jan 2008

posted January 26, 2008 02:02 PM

Hello,
May I ask you if you have a manual for the Bolex M8 to send to me a copy?
I have no idea how to put the film to make a projection...
I noticed that maybe everything is Ok. But when I switch off the projector but it is still powered, there is a crack in a minute or two. Is this thing dangerous for the projector?
Sorry for the spam and off-topic, but I did not want to write a new topic only for my fabulous experience with 8 mm...
Anton

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