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Thread: half a sixpence

  1. #1

    Default half a sixpence

    well the front half anyway ,having a play last night with the sigma 150mm macro plus sigma tc-1401 teleconverter and the newly acquired LED ring flash .quite pleased with the result ,still lots to learn but getting there

    half a sixpence by jeff and jan cohen, on Flickr

  2. #2
    Member* Tigger's Avatar
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    Default Re: half a sixpence

    where you square on the coin? it looks soft top right
    :- Ian

    5D Mk III, 24-105 / 70-200 f2.8 L / 100-400 Mk II / 100 macro / 16-35 L / 11-24 L / 1.4 & 2x converters and a bad back carrying it all ;o)

    :- https://www.flickr.com/photos/fotosespana/

  3. #3

    Default Re: half a sixpence

    Good shot, yes a little soft at 2o/c could be f5.6 is not enough? Even for something so small

    Sent from my Nexus 6P using Tapatalk

  4. #4
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    Default Re: half a sixpence

    Wondering why you would want to put a t/c on a macro lens, particularly one with a relatively long focal length already.

    It should be able to produce a sharp image across the frame at F5.6 see :
    https://www.lenstip.com/313.4-Lens_r...esolution.html
    EOS 6D, 6D Mk II, 80D, 70D, 100D, 200D. Canon 10-18, 18 - 55, 55 - 250 IS STM lenses, Canon 16 - 35 mm F4L, 35 mm EF-S macro, 50 mm F1.8 STM, 60 mm EF-S macro, MPE-65 macro, 85 mm F1.8, 200 mm F2.8 L II, Sigma 24 - 35 F2 Art, 135 mm F1.8 Art, 17 - 50 F2.8 DC, 105 mm OS macro, 100 - 400 C, 150 - 600 C.

  5. #5

    Default Re: half a sixpence

    It was hand held so not square on as noticed ,and Richard I was just experimenting to see what can be done .,also got a set of extension tubes to try yet ,just getting used to the equipment in reality

  6. #6

    Default Re: half a sixpence

    I have found that a 1.4x t/c is fine on a 100mm macro, only lose one stop, and I mostly shoot at f5.6 to 8 when hand holding so not an issue, you still get 1:1 macro and the extra reach can be useful on insects, add a ring flash or regular with a soft box and you're good to go

    Sent from my Nexus 6P using Tapatalk

  7. #7

    Default Re: half a sixpence

    Question from a newbie - Are reversing rings any good, I have bought one and had no luck as yet. Everything is dark.......

  8. #8
    Member tesarver's Avatar
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    Default Re: half a sixpence

    Jeff

    Tom

  9. #9

    Default Re: half a sixpence

    Reversing rings are fine...when you say everything is dark, what are you shooting, where, what settings? Hand held? Flash? Need some more info...also, you may need a lense that you can manually open up the aperture, as it may close to it's highest setting, as it won't be connected to the camera...not an issue on a tripod, just decrease the shutter speed/use a flash


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    Last edited by supergeeman; 02-04-2018 at 21:29.

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