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Arthur Sanchez

OPTICS UPGRADE for Bolex REX 6X to 10X-PLUS Viewfinder

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I've been busy experimenting with optics lately and have come across a method to get a little more than 10X viewer form a 6X viewer. This what is what I go...

 

 

 

post-71166-0-45839100-1508340805_thumb.jpg

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On 10/18/2017 at 11:33 AM, Arthur Sanchez said:

I've been busy experimenting with optics lately and have come across a method to get a little more than 10X viewer form a 6X viewer. This what is what I go...

 

 

 

post-71166-0-45839100-1508340805_thumb.jpg

Hi Arthur -- I've seen your work and posts before in the Film Camera Repair Directory too, wonderful stuff! Can you share the details on how you worked this magic? I'm assuming you added a diopter into the finder? I'd bookmarked at least one other person trying something like this from Jan-Eric Nyström's now-defunct page on hand-modifying Bolexes to Super 16. He hot glues a small lens in place inside:

https://web.archive.org/web/20120123185702/http://www.sci.fi/~animato/s16/s16.html

I have to CLA a bunch of ancient Bolexes over this summer before our students use them in the Fall, and a lot of the ones we have are equipped with rather ancient finders (especially the non-reflex ones...) that could really benefit from some more magnification. The other idea I've been playing with is just to attach a cheap viewfinder magnifier -- less than $5 apiece straight from China, and with an eyecup attached to boot! Though the one at the link below may be way too much magnification (2.8x):

https://www.ebay.com/itm/2-8X-3-V1-LCD-Viewfinder-Eyecup-Magnifier-Extender-Hood-for-Canon-5D-II-7D/293071188759

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On 10/18/2017 at 5:33 PM, Arthur Sanchez said:

I've been busy experimenting with optics lately and have come across a method to get a little more than 10X viewer form a 6X viewer. This what is what I go...

 

 

 

post-71166-0-45839100-1508340805_thumb.jpg

I'm also very curious about how you did the modification Arthur?

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Hello Thomas,

Optics... I've come to the conclusion the it's simple VooDoo black magic... An understanding of the principles of light is essential.

I've found that it is a well kept secret, as I've yet to find a person that can do my optics. This is an early Ver. 1 of this attempt.

Do you do Optics?

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Hello David and Thomas...

Please contact me direct through my website: drbolex.com

Lets see where we can get with optics.

Arthur!

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