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  1. Thread: Twitter bans!

    by r.e.
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    13
    Views
    518

    Re: Twitter bans!

    Twitter doesn't make laws. It is a private company that offers one of the several platforms that people use to express their views. In case you haven't noticed, some people use Twitter to harass,...
  2. Thread: Twitter bans!

    by r.e.
    Replies
    13
    Views
    518

    Re: Twitter bans!

    I think that this is PetaPixel working really hard at spinning this into something it isn't. Given the purpose of the policy, its exceptions and the way it has to be invoked, I don't think that this...
  3. Thread: Twitter bans!

    by r.e.
    Replies
    13
    Views
    518

    Re: Twitter bans!

    I think that people should read the actual policy before getting worked up about this: https://blog.twitter.com/en_us/topics/company/2021/private-information-policy-update

    I don't think that it's...
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    Re: Aspect ratio of 10x8 and 5x4?

    Exactly. The following post explains that one of my objectives is to make photographs that can be incorporated seamlessly into a film, i.e. without letterboxing or cropping the photos. I'm also...
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    Re: Aspect ratio of 10x8 and 5x4?

    As @abruzzi points out, 16:9 and 4:3 are shorthand ways of referring specifically to High Definition and Standard Definition Television. Those ratios are used for marketing televisions (and computer...
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    Re: Foot candle to aperture and ISO.

    It's fine that you're a believer, but neither your post #21 nor your link reveal the history of Mr. Rossi and his company. To put it mildly, there are reservations about Mr. Rossi's claims over the...
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    Re: Aspect ratio of 10x8 and 5x4?

    I think that it's neat to know that 4x5 and 8x10 share the same aspect ratio. Notwithstanding some of the posts in this thread, I would like to think that nobody is actually going to disagree with...
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    Re: Aspect ratio of 10x8 and 5x4?

    It isn't even mathematics, it's basic arithmetic. If you're shooting one of those formats, and know that you're printing to those sizes, you're presumably past having to think about aspect ratio in...
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    Re: Aspect ratio of 10x8 and 5x4?

    I think that the original post raised a perfectly good question that deserved a proper answer, not dismissal. I guess I'm thick as a brick too. Nevertheless, I'm happy to reiterate what I say in post...
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    Re: Great app for managing your Film Holders

    Hi Guido,

    In my iPhone Settings, I had Larger Text > On. Turning it off fixed the problem.

    I also had Control Centre > Rotation Lock set to On. Unlocking that and turning the phone 90 also...
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    Re: Great app for managing your Film Holders

    Hi Guido,

    I've figured out the problem. I'm using an iPhone 11 Pro Max. In the first screen capture below, the film type is off-screen and not visible. In the second, I've made the film type...
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    Re: Aspect ratio of 10x8 and 5x4?

    Why? Leaving aside the original post, almost all of the 72 posts before my post #73 either disagree with me or suggest that I'm being eccentric. I appear to be in a minority of one, although I think...
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    Re: Foot candle to aperture and ISO.

    See this Wikipedia article on that company's cold fusion claims: https://en.wikipedia.org/wiki/Energy_Catalyzer

    This is the Wikipedia article on CEO Andrea Rossi:...
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    Re: Aspect ratio of 10x8 and 5x4?

    For a different view on the question discussed in this thread, see the November 2021 thread Masking a Ground Glass for Cinema Aspect Ratios

    See, in particular, the first post and then post #4 and...
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    Re: Winter Weather Photography

    Further on this, I purchased the Apple Books version of Brooke's book on architectural photography. It looks to me like it's a detailed summary of the class that I assume he teaches at the University...
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    Re: Winter Weather Photography

    Coincidentally, an architectural photographer named Steven Brooke uploaded this video to his YouTube channel today. I don't know much about Brooke, except that he teaches at the School of...
  17. Re: Masking a Ground Glass for Cinema Aspect Ratios

    Since writing the above posts, I've come across a 2004 thread that I missed on my initial search but which is useful: How best to mask ground glass to change aspect ratio

    There's also a two page...
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    Re: Winter Weather Photography

    I'd like to make some 4x5 photographs during a good snowstorm, but have been deterred by lack of a practical way to protect my lenses. I received a Lee100 Hood last week, which should solve this...
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    Re: Foot candle to aperture and ISO.

    One consequence of the widespread use of LED lights for cinematography and still photography, and the abandonment of tungsten, is that watts are no longer a reliable indicator of light output. In my...
  20. Re: Masking a Ground Glass for Cinema Aspect Ratios

    I have two reasons for doing this. One is simple interest in what large format still images in some of these aspect ratios will look like. My practical reason is that I'm interested in making still...
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    Re: Great app for managing your Film Holders

    Hi Guido. I've installed your app on an iPhone 11 and it looks like it's going to be quite useful. One question. At the start, it asked me to input a camera name and a film. I entered an Arca-Swiss...
  22. Re: Masking a Ground Glass for Cinema Aspect Ratios

    The attached screen capture from RED Cinema Cameras shows the horizontal differences between certain of these aspect ratios overlayed on a single photograph. While not shown in this photo, RED...
  23. Re: Masking a Ground Glass for Cinema Aspect Ratios

    Thanks Greg. I'm looking into the 3M tape and how easy it is to remove the tape and residue from my ground glass.
  24. Re: Masking a Ground Glass for Cinema Aspect Ratios

    I'm attaching a table that might be useful to someone in the future. It applies the aspect ratios for seven cinema formats to 4x5 and 8x10 sheet film. The table assumes landscape orientation and full...
  25. Re: Masking a Ground Glass for Cinema Aspect Ratios

    Thanks guys for the replies. Looks like this will be straightforward.
  26. Masking a Ground Glass for Cinema Aspect Ratios

    I'm interested in masking my 4x5 and 8x10 backs (Arca Swiss F-line) for four aspect ratios that are used in feature films. I have two questions:


    What’s the best way to mask the ground glass so...
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    Re: 3d printing lens boards

    Simon Forster, who made this recent video, makes and sells lens caps, etc. Looks like he's also about to start selling lens boards. His web site is at https://simonforsterphotographic.co.uk

    ...
  28. Thread: Shalom!

    by r.e.
    Replies
    5
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    350

    Re: Shalom!

    Hi Hugo,

    I noticed that your profile mentions an interest in Israeli wine. I knew Daniel Rogov fairly well. Daniel and Barry Saslove were very helpful while I was doing some research in Israel on...
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    Re: Intrepid 4x5 - new model due.

    The hardwood versions are now on Intrepid's website: https://intrepidcamera.co.uk/products/intrepid-4x5-hardwood
  30. Re: Monalog photography group looking for new members

    Check out their website.

    Adding a few people who are 35 or younger might bring the average age of the group down to about 65 :)
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    Sticky: Re: Large Format Channels on YouTube

    I've added David Hancock from Colorado to the list in post #1 under Camera Makers. Originating as a Kickstarter campaign, he makes 4x5, 5x7, 8x10 and 4x10 pinhole cameras under the brand name 5119...
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    Re: Intrepid 4x5 - new model due.

    Nothing about it on the Intrepid site yet. I already have a camera, but I've started following what Intrepid is doing and I'm curious to see whether this model is simply an upgrade in materials or if...
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    Re: Lee Filters Lee100 System

    Lee goes back to 1961. It's a major player in filters and gels for stage, photography and cinematography. It competes with Rosco. This is just one part of the business. The predecessor of the Lee100...
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    Re: Lee Filters Lee100 System

    Lee100 Hood photos, continued from the above post...

    5. Hood and the Attachment Ring, Hood side

    This shows the Hood side of the Attachment Ring.

    221242

    6. Hood and the Attachment Ring,...
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    Re: Lee Filters Lee100 System

    Here are some photos of the Lee100 Hood, split over two posts due to forum limits.


    1. Lee Filters photo showing the Hood's features

    221238

    The rest are iPhone photos.

    2. Hood in...
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    Re: arca swiss F metric 5x7?

    Given the currently small market for 5x7, it's interesting that Arca-Swiss doesn't offer the components that are unique to 5x7 at a price attractive to existing 4x5 and 8x10 owners. I would think...
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    Re: Lee Filters Lee100 System

    The Lee100 Hood, the component that's new to my Lee100 setup, arrived this afternoon.

    Comes in a decent storage/transport case that opens and closes with two zippers.

    Dimensions: 21.5cm x...
  38. Replies
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    Re: Lee Filters Lee100 System

    For me, the use cases for this are limited. With the caveats in post #10, I'll probably try it anyway, just to see what happens. When it comes to screw-in filters, I'm mostly standardised to 82mm:
    ...
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    Re: Provia 100F and Velvia 50

    Don't sweat it. I think that that was clear from your post.
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    Re: Lee Filters Lee100 System

    The Lee100 System was launched in March 2019. The ProGlass IRND filters were released in 2017.

    Sounds like you're talking about Mark Bauer's video (post #5). Starting at 04:37 he uses a Lee round...
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