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network profile
| bio | website | |
|---|---|---|
| location | ||
| age | ||
| visits | member for | 5 months |
| seen | yesterday | |
| stats | profile views | 4 |
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Jan 17 |
awarded | Commentator |
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Jan 17 |
comment |
What is the benefit of a dedicated wide angle zoom vs a superzoom? See a field of view comparator like this nikon simulator to feel the difference between 10mm and 18mm. 18mm on a cropped sensor approaches the "wide standard" denomination. 10mm is definitely a wide angle. |
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Jan 15 |
comment |
What benefit does Hasselblad have vs high-end Canon / Nikon? I would add the thiner depth of field due to sensor size, which can be very useful for studio portrait shot (where medium format are often used). By the way, MF are at the top of the DxO rank "portrait - color depth". |
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Jan 11 |
awarded | Supporter |
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Jan 11 |
comment |
Do full frame sensors gather more light than crop sensors? Thanks, it makes perfectly sense with your edit. |
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Jan 11 |
accepted | Do full frame sensors gather more light than crop sensors? |
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Jan 11 |
asked | Do full frame sensors gather more light than crop sensors? |
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Jan 6 |
awarded | Scholar |
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Jan 6 |
accepted | Lightweight telephoto lens |
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Jan 4 |
comment |
Lightweight telephoto lens +1 for the AF mirror lens. I will investigate to see if the AF on mirror lens are fast enough for sport and wildlife. |
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Jan 4 |
comment |
Lightweight telephoto lens You're right, the 180 f/2.8 is compatible for example with a Kenko 1.4 300 Pro DG TC. I know the 70-300 quality is not as "bad" as other low cost telezoom, especially under 250mm. But how does it compare with other alternatives at 300mm ? |
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Jan 4 |
asked | Lightweight telephoto lens |
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Nov 29 |
comment |
Lens and tripod for deep space photography You did well, it was a bit hidden indeed. |
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Nov 28 |
comment |
Lens and tripod for deep space photography Some beautiful shots are taken with a standard lens (e.g. 500px.com/photo/12983355). Other with telescope (500px.com/photo/17944199). |
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Nov 28 |
comment |
Lens and tripod for deep space photography My question was not about the camera sensor but the optical system, telescope or lens+tracking ? (note that I already considered the astrotrac in my question). Both ways exists and I wonder what is the best for a decent price. |
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Nov 28 |
comment |
Lens and tripod for deep space photography Thanks for your links. I already join my local astro club, where I tried my D700 on their 1500mm Celestron C6-GT. But the tracking and stability weren't good, limiting my exposures to 8 seconds. I hope this was due to their lack of knowledge on their own gear ! |
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Nov 27 |
awarded | Student |
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Nov 27 |
comment |
Lens and tripod for deep space photography I'm afraid that the astrotrac will not be as stable on my tripod as a telescope, and therefore won't allow me to stay sharp for long exposures (60s). Also, for M31, the biggest messier object, you only need a focal length of 600mm to fill the frame. When you say "Nikon's own fast telephoto primes", do you think of the $10k 600mm ? :p |
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Nov 27 |
awarded | Editor |
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Nov 27 |
revised |
Lens and tripod for deep space photography add my tripod gear |
