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About Jim Chang

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Rank
Member
Profile Information
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Gender
Male
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Location
Los Angeles, California
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Interests
Anamorphic lens, video production, indie films
Contact Methods
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Website URL
www.rapidotechnology.com
Recent Profile Visitors
3,002 profile views
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ISCO ULTRA STAR HIGH DEFINITION ANAMORPHIC Disassembly
Jim Chang replied to Francisquito's topic in ANAMORPHIC
Welcome, glad it helps. -
Jim Chang reacted to a post in a topic: Some Galileo action going on
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ISCO ULTRA STAR HIGH DEFINITION ANAMORPHIC Disassembly
Jim Chang replied to Francisquito's topic in ANAMORPHIC
You need to separate the helicoid from the front glass housing. Just take out all the screws, and go from there. Soon you will figure it out. When you have the front glass housing & rear glass housing separately, then you have a lot of options to go from there, check our recent rehousing efforts on a similar 35mm scope: https://rapidotechnology.wordpress.com/2021/02/16/story-behind-developing-fvd-35np-fmj-35/ -
Seeking Info About the Bausch & Lomb Projection Lens
Jim Chang replied to Bold's topic in ANAMORPHIC
Finally, the tutorial about rehousing the B&L attachment I scope: https://rapidotechnology.wordpress.com/2021/02/16/story-behind-developing-fvd-35np-fmj-35/ Enjoy my friends. -
Ian Edward Weir reacted to a post in a topic: why is this "too wide?"
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You should adjust the rear glass's orientation, instead of removing the locking tab from the front glass housing. Best of luck.
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Jim Chang reacted to a post in a topic: Seeking Info About the Bausch & Lomb Projection Lens
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Check the FVD-35A, which is designed for 35mm projection anamorphic scopes, like HIFI-2: https://www.rapidotechnology.com/products/front-variable-diopter/fvd-35a
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HI, Racer5, PM me on facebook, will send you the manual of 16A, it has instructions to adjust the drag force yourself. Best, Jim Rapido
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Let’s Talk About Larger 35mm Projection Scopes
Jim Chang replied to Caleb Genheimer's topic in ANAMORPHIC
I have most of larger 35mm scopes, probably 20 of them. I like HIF-2, Bausch Lomb Attachment I, and Moller 63/2x, which are vintage look, the ISCO & Schneider are modern & cleaner looks. I am trying to shoot some tests of these scopes pairing with FVD-35A, stay tuned. https://www.rapidotechnology.com/products/front-variable-diopter/fvd-35a -
Rapido Anamorphic Lens Clamp V2 with Rail Support
Jim Chang replied to Jim Chang's topic in ANAMORPHIC
You don't need to modify it, just a little bit heavier than 16mm scopes. Pretty sharp lens. -
Jim Chang reacted to a post in a topic: Cosmicar 75mm f/1.4 C-mount Lens and Isco Ultra Star 2x Anamorphic Test
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Jim Chang reacted to a post in a topic: 75 GBP vs 750 GBP Single Focus Adapter
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Jim Chang reacted to a post in a topic: Anamorphic Flares Comparison shots
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webrunner5 reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Jim Chang reacted to a post in a topic: Iscorama 36 Proxiscope rehousing – close focus and cine gears
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buggz reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Jim Chang reacted to a post in a topic: Schneider ES Cinelux 2x (Custom Single Focus Test)
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Dr. Verbel' reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Jim Chang reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Bold reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Ian Edward Weir reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Jim Chang reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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buggz reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Bold reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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Bold reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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buggz reacted to a post in a topic: Rapido Front Metal Jacket for Rectilux HardCoreDNA or SLRMagic Rangefinder
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This is developed for the people who like to build a definite professional looking anamorphic lens with Rectilux HardCoreDNA or SLRMagic Rangefinder. Customized engraving service is available, so you can put focal length & T stop engraving on the lens, like real cinema anamorphic lens does. Features: Exchangeable connection to Rectilux HardCoreDNA or SLRMagic Rangefinder Rail support bracket with ¼-20 screw mounting hole to use with SmallRig Quick Release Lens Support Build-in locking mechanism to prevent focus ring of the anamorphic lens from rotating S
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Jim Chang reacted to a post in a topic: Modified Lenses / Accessories that produce unique flares & bokeh
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Hi, Hank, Here is the independent encoder unit, which can be rail mounted on the side to record rotational information of the focus ring. I also provide two controller packages for order, package A & package B. package B is the one without the motor unit, and it's part 0009 at http://www.rapidotechnology.com/home I can modify the controller parameter to work with your Berkey motor, I can also provide an additional motor cable connector, which you can wire it to your Berkeley motor. Thanks. Jim Rapido