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

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  1. P

    Astroscope + DSLR = Gallery!

    Thank you for your help. How far were you away from the pigeon ? What is the configuration on the camera setup ? eg: Body + TC2+extension tube(?mm) Thanks
  2. P

    Astroscope + DSLR = Gallery!

    Hi Paul Your picture of the pigeon looks so clear and sharp. I just got the Nikon D3300 and teleplus NAS x2 MC7 mounted it on my skywatcher 80mm with 52mm extension tube but my picture a bit softer than yours. Please let me know what is the setting in your camera ? (such WB, shutter speed...
  3. P

    Astroscope + DSLR = Gallery!

    Hi cango. There is no vignette on my scope. I use the Skywatcher 80 ED.
  4. P

    Astroscope + DSLR = Gallery!

    Shore Birds Dunlin and Yellowlegs. SW80 + TN + extension tubes 68mm ISO 640 1/400 Ev +2 20% crop. Enjoy.
  5. P

    Astroscope + DSLR = Gallery!

    Hi Tord, I took these pictures by my Nikon D600 set at full frame.
  6. P

    Astroscope + DSLR = Gallery!

    Thank you very much for your kind words.
  7. P

    Astroscope + DSLR = Gallery!

    American Goldfinch Took these pictures at the local park, after the weather change to warmer these birds start to show up. Set up SW89 ED + 1.7 TN+ extension tubes ISO400, 1/400 50% crop Enjoy
  8. P

    Sigma or Tamron macro lens

    I'm using Tamron 90mm cheapest and here is some pictures that I took with two set of Kenko extension tube with my Nikon D90. These are uncrop.
  9. P

    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...
  10. P

    Astroscope + DSLR = Gallery!

    Thank you for Paul for all the great advice and here are first few samples of my initial test with the Skywatcher 600mm and nikon D90. There are uncrop, unedit just down size. Enjoy 1 - Sparrow 15m away, ISO1000, 1/125, TN x3 2 - Sparrow 15m away, ISO 640, 1/200, TN x3 3 - Kingbird 15m away...
  11. P

    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...
  12. P

    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
  13. P

    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
  14. P

    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...
  15. P

    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
  16. P

    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
  17. P

    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
  18. P

    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
  19. P

    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
  20. P

    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
  21. P

    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...
  22. P

    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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