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Nikon rear-mount bayonet filter, ND options?

babowcbabowc Registered Users Posts: 510 Major grins
edited March 16, 2013 in Accessories
Is there any option for an ND filter on the rear mount bayonet of something like a 16mm 2.8 fisheye?

I've been googling and came up empty.
It'd sure be great for something like a FE beach shot with a long exposure..
Has anyone heard of such thing?
-Mike Jin
D800
16/2.8, f1.4G primes, f2.8 trio, 105/200 macro, SB900.
It never gets easier, you just get better.

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    ziggy53ziggy53 Super Moderators Posts: 23,827 moderator
    edited March 6, 2013
    Here's one solution:

    http://www.magic-filters.com/tips/dslr_fit.html

    Be aware that a rear-mounted filter can throw off critical focus, but that's usually not a problem for ultra-wide and fisheye lenses.

    For the gel material itself, Kodak apparently still produces some optical-grade ND gel sheets:

    http://www.bhphotovideo.com/c/product/549036-REG/Kodak_8645541_3_x_3_Neutral.html

    http://www.bhphotovideo.com/c/search?Ntt=Optical+Gelatin&N=0&InitialSearch=yes&sts=ma&Top+Nav-Search=
    ziggy53
    Moderator of the Cameras and Accessories forums
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    babowcbabowc Registered Users Posts: 510 Major grins
    edited March 6, 2013
    Yikes, the Kodak is a bit too rich for my blood..
    I will be ordering from Lee filters and attempt to rig something on one of my spare filters!
    Thanks for the idea, ziggy!
    -Mike Jin
    D800
    16/2.8, f1.4G primes, f2.8 trio, 105/200 macro, SB900.
    It never gets easier, you just get better.
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    babowcbabowc Registered Users Posts: 510 Major grins
    edited March 6, 2013
    By the way..
    If I stacked two ND 0.9 filters on top of each other, would it effectively make ND 1.8 (6 stops)?
    -Mike Jin
    D800
    16/2.8, f1.4G primes, f2.8 trio, 105/200 macro, SB900.
    It never gets easier, you just get better.
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    ziggy53ziggy53 Super Moderators Posts: 23,827 moderator
    edited March 6, 2013
    babowc wrote: »
    By the way..
    If I stacked two ND 0.9 filters on top of each other, would it effectively make ND 1.8 (6 stops)?

    Yes, you can stack filters but I believe that you will see more optical degradation stacking rear filters than stacking the larger front filters. I believe that you are correct in your arithmetic and resulting ND value.
    ziggy53
    Moderator of the Cameras and Accessories forums
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    babowcbabowc Registered Users Posts: 510 Major grins
    edited March 6, 2013
    Great!
    I will experiment with the 0.9ND (3 stops) and go from there..
    since a CP filter consumes 2 stops..
    -Mike Jin
    D800
    16/2.8, f1.4G primes, f2.8 trio, 105/200 macro, SB900.
    It never gets easier, you just get better.
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    babowcbabowc Registered Users Posts: 510 Major grins
    edited March 16, 2013
    So I got some ND filter sheets and experimented.

    It looks decently promising!
    I will post up the results after returning from my trip!
    -Mike Jin
    D800
    16/2.8, f1.4G primes, f2.8 trio, 105/200 macro, SB900.
    It never gets easier, you just get better.
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