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  1. Replies
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    2,437

    Screw-in filter in Lee holder

    I have a 77mm B+W polarizing filter without a front thread. I also have the Lee filter system (filter holder and lens adapters). I would like to use the polarizer in the holder, so I'm thinking of...
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    Measuring bellows compensation factors

    Thank you very much for the replies and suggestions - sounds like I'm on the right track but need to check what points to measure from and to.
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    7,291

    Measuring bellows compensation factors

    I'm quite new to large format photography, so I spent some time looking into bellows compensation factors. I ended up designing rulers in Photoshop to measure the bellows compensation factor based on...
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    Underexposed 4x5 slides

    There's a good description of loading film into darkslides here
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    Pentax Digital Spotmeter - problem?

    Thanks for the reply.

    Bizarrely, it has just started to work. I had previously tried holding down the metering button for several seconds but only got '0', but trying that again gave a reading and...
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    Pentax Digital Spotmeter - problem?

    I bought this meter on Ebay recently. It looks to be in good condition, but only reads '0' in the viewfinder, no matter what I point it at or what ASA it is set to. I am using a new 4SR44 battery.
    ...
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