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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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    Nikon D90 + Vixen ED81S ?

    Still waiting for a new TN, I have another test with my Skywatcher + Kenko 1.4 as well as a set of Extension tube (12,20,36mm) for now the TC 1.4 is mount very close to the body. I will be moved it between these tube to increase the magnification a little higher. This sparrow is around 10m...
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    Nikon D90 + Vixen ED81S ?

    Thank you very much for all the great respond, I recent have a few TN, but all seem to be magnify more than my TC x2. I placed my TN very close to the camera body. (vivitar 75-205, soligor 75-200) Camera body + TN + 75mm tubes + T mount + scope. It would be great of someone could post some...
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    Nikon D90 + Vixen ED81S ?

    Please help, I just took apart an old vivitar 75-205mm and here is the part that I think is a telenegative. I'm not sure how I could remove the housing. Thanks
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    Nikon D90 + Vixen ED81S ?

    Test again today, and found when I took away 27.5mm extension tube my range to up to almost infinity. So 95.5mm extension not a good idea. Also test with Kenko 1.4x the picture looked very good. Thanks again for all you help Paul
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    Nikon D90 + Vixen ED81S ?

    Alright, here is the pictures of my first test with my Skywatcher black diamond 80mm ED, FL 600mm. I don't have any TC yet, so just the my extension tubes; 36mm+20mm+12mm+27.5MM. What I found, there is a limit range of focus, within 6 meter to 30 meter anything closer or further is out of...
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    Nikon D90 + Vixen ED81S ?

    Hi Paul I saw able to locate two lens Sigma 100-200mm F/4.5 Telephoto Zoom lens, this is a bayonet mount Telephoto zoom lens used on a Konica for $30 and Canon 100-200mm FD $40 How are they compare to Sunagor 100-200 ? Thanks
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    Nikon D90 + Vixen ED81S ?

    The Vixen ED81S didn't working out. I saw this one for sell use locally. Please let me your opion regarding to this. Thanks WO Megrez 90 Doublet APO for $800 http://www.williamoptics.com/telescopes/megrez90_spec.php
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    Nikon D90 + Vixen ED81S ?

    WOW, beautiful picture, how far are you away from it ? (% crop ?) With my DX body (nikon D90) without TC 1.4. I still have 625mm from ED81S should be enought the get some decent bird body not head shot like yours yet. Thanks
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    Nikon D90 + Vixen ED81S ?

    Hi Tord Thank you for your replied. Is your new set up on tripod or monopod ? Is shutter release cable is a must ? Thanks
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    Nikon D90 + Vixen ED81S ?

    Thanks again for your fast reply. Do you have any experience with TC 1.4 or 1.7 or 2 ? how is the image quality ? I have try sigma TC 1.4 on my sigma lens 50-500 OS and the image is a little soft at 500mm. Thanks
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    Nikon D90 + Vixen ED81S ?

    Hi Paul Thank you for your fast reply, what is the total weight of your set up ? if you don't mind please let me know what you're using beside skywatcher 80ED ? (camera body, extension, mount, flash ??) Thanks
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    Nikon D90 + Vixen ED81S ?

    Hi Paul Thank you very much for your advice, Another question. Since I already have Manfrotto 486RC2 Compact Ball Head with RC2 Rapid Connect System and a monopod. Will I be able to use these or at least the ball head ? I don't have any triop at the moment any suggest for a tripod...
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    Nikon D90 + Vixen ED81S ?

    Hi I'm new to bird photo currently own a sigma 50-500 OS but I wish to have more reach. I'm currently in the market for a telescope, my local store have two ED in stock Astronomy Technologies Astro-Tech AT72ED 72mm f/6 ED doublet refractor $500 or Vixen Optics ED81S Telescope...
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