• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Search results

thxpress_search_the_forum Search Opus
  1. Miles Green

    Astroscope + DSLR = Setups!

    A couple pix with my scope The sunrise pic is to show contrast - no adjustments made in post - just default raw settings The flamingos are slightly cropped in average atmospheric conditions, processed Slightly better conditions for the egrets, processed The sparrow is 100% crop = full...
  2. Miles Green

    Astroscope + DSLR = Setups!

    I can speak of my 80/500mm super-apo triplet: regarding Dawes limit and apertures, my little experience has shown me that at longer distances (over 30 meters lets say) atmospheric/seeing conditions are the limiting factor most of the time. 90% of the time, the best way for me to squeeze more...
  3. Miles Green

    Astroscope + DSLR = Setups!

    I think i fixed the link now, thanks!
  4. Miles Green

    Astroscope + DSLR = Setups!

    Hello! Reading the latest posts i thought i'd chime in with some info on my TS 500/80 super apo. As i mentionned earlier in this thread, i inserted a baffle with drastically increased contrast. I've also been experimenting with stopping down the lens by about a stop. There is a noticeable but...
  5. Miles Green

    Astroscope + DSLR = Setups!

    Well that's what I went by, same info as the teleskop-express site. I'm a bit confused and upset about what they measured and weighing, as I expected something significantly smaller. Maybe there was some copy-pasting that went un-edited from the previous model? Maybe its because i know nothing...
  6. Miles Green

    Astroscope + DSLR = Setups!

    Aaah, thanks for the warning! Maybe i won't touch it then! :)
  7. Miles Green

    Astroscope + DSLR = Setups!

    Thanks Tord, The IQ is phenomenal, i have not seen any traces of chromatic aberration. With this scope, there's nothing, not even with test shots, shooting leaves against the sun. I don't correct for it, there's nothing to fix. What botheres me with my Sigma "apo" other than the fringing, was...
  8. Miles Green

    Astroscope + DSLR = Setups!

    Thanks Paul, I ended up cutting a few different "irises" yesterday. The 2.7mm one did produce some vignetting that I didn't like. I ended up making one with a rectangular opening a little bigger than my aps-c sensor, and inserted it quite close to the camera. Contrast is greatly improved, the...
  9. Miles Green

    Astroscope + DSLR = Setups!

    Thank you Cango! The scope and focuser are already flocked by TS. It's a very nicely finished piece of equipment, I'm impressed. I'll wait for the UV filter to arrive, then see if I need to flock the 5cm extender. I just did a little test attempting to stop down the lens a bit: I cut a...
  10. Miles Green

    Astroscope + DSLR = Setups!

    Hello again! So i got myself a telescope. Based on many recommendations (thanks everyboddy!) i decided on TS APO 80/500 super-APO triplet. I should point out at this point that I am allergiv to fringing and longitudinal chromatic aberrations, so i went for the full APO. When i first opened the...
  11. Miles Green

    Use of Filters to minus CA

    Even if you don't have a high-end raw developer, getting rid of the purples is easy, as long as the bird in the picture is not purple that is. All you need to do is desaturate all the purples, no selection necessary. I use Capture One Pro 6, which has a PF tool, but the above technique is faster...
  12. Miles Green

    Astroscope + DSLR = Setups!

    Hi Punta! I'm no expert, i don't even have a telescope yet. I use a manual focus Sigma 400 f/5.6, sometimes with a teleconverter. So i'll just share my experience, can't really call it advice... I have a tripod, but often retract 2 legs and use it as a monopod. I recently moved from a ballhead...
  13. Miles Green

    Comment by 'Guest' in media 'Grey Heron'

    Wow, superb close up, nice and sharp! May i ask how close you managed to get? White balance seems a little too green?
  14. Miles Green

    Comment by 'Guest' in media 'Red Grouse'

    That's a very nice picture!
  15. Miles Green

    Astroscope + DSLR = Setups!

    Thanks tord, I've had my gimbal for only a short time and i like it a lot. I can let go of the camera at any time and it will stay put. Shooting in the wind is hard. The camera won't stay still, same goes for the branches the birds are sitting on...
  16. Miles Green

    Astroscope + DSLR = Setups!

    Thank you Dan and Tord, I'll agree with you that f/7.5, in good light, is still decent for manual focusing using the viewfinder. On the Pentax, focus trap and AF-confirm work nicely up to a little past f/8. Focus trap is VERY responsive and accurate. I can even do BIFS with a good hit rate with...
  17. Miles Green

    Comment by 'Guest' in media 'Water snake'

    Thank you for your replies! Natrix natrix persa, after i looked it up, looks a lot like it. In Greek, it's commonly known as a "watersnake", so i got lucky with the title. It's not poisonous, but still, spotting one of these is definitely a good reminder that one needs to watch out...
  18. Miles Green

    Comment by 'Guest' in media 'Breakfast'

    Super shot eenymac! I've never seen one, it's the bird i'd like to see most!
  19. Miles Green

    Comment by 'Guest' in media 'Blossoms'

    Wow, such beautiful colors and crisp detail!
  20. Miles Green

    Comment by 'Guest' in media 'Capercaillie'

    What a beautiful bird, you must have been so close!
  21. Water snake

    Water snake

    I know it's not a bird, but can you tell me what kind of snake this is? It was hunting frogs at the water's edge.
    • Miles Green
    • Media item
    • Comments: 4
    • Category: Reptiles
  22. Miles Green

    Astroscope + DSLR = Setups!

    Thank you Dan and Paul for your replies. I'll be using it with a Pentax K5. I have a heavy tripod with leveler and gimbal. With the K5, I also get image stabilization (up to 800mm) and focus-confirmation and (native) focus trap (catch-in-focus as it's called in Pentax lingo). I use it a lot...
  23. Miles Green

    Comment by 'Guest' in media 'Jay'

    Super! We have a few jays here in the garden but they are VERY shy. I haven't been able to get anywhere close to them yet...
  24. Miles Green

    Comment by 'Guest' in media 'Up Close Barn Owl'

    Superb picture!!!
  25. Miles Green

    Comment by 'Guest' in media 'Frog Chorus'

    OMG, this picture is froggy-X-rated!!! ;) Excellent capture!
Back
Top