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Posted

Okay ... a stupid question ... are you using a FF camera and a long zoom lens, then switching over to a crop camera and using the same zoom lens, to give 1.6x more reach?

 

A 2x TC could be used (with some light fall off) but a crop camera is the better choice? 

 

--Geoff

Posted
3 hours ago, Spearmint said:

You should be happy with these @gat474?

 

Taken with the D7100?

Yep, the 7100 @Spearmint. Most of them are off the camera JPEG just with some sharpening and cropped in Picasa.

I'll post one of the failures I took leaning on the car when I get into the pc later to show why I was bothered with the results.

Posted
2 hours ago, hired goon said:

Okay ... a stupid question ... are you using a FF camera and a long zoom lens, then switching over to a crop camera and using the same zoom lens, to give 1.6x more reach?

 

A 2x TC could be used (with some light fall off) but a crop camera is the better choice? 

 

--Geoff

Good question Geoff, I don't know the answer to that one.

Posted

HGs point is a good one, especially as you can simulate the 1.5 crop on the D750, albeit accompanied by a drop in MP count - but still more than enough to get a decent printable result. The D750 drops from 24MP to about 10 or so MP, still more than enough to produce a good-sized quality print. I took my D7100 body along with the D750 to Canada  couple of years ago, thinking I'd use the D7100 for birds and the D750 for bears and landscapes, but ended up hardly using the D7100.

 

 Having said all that, I've just got my hands on my new D500 (crop) and can't wait to try it out!

cheers

 

mick

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Posted
4 minutes ago, mickj1 said:

HGs point is a good one, especially as you can simulate the 1.5 crop on the D750, albeit accompanied by a drop in MP count - but still more than enough to get a decent printable result. The D750 drops from 24MP to about 10 or so MP, still more than enough to produce a good-sized quality print. I took my D7100 body along with the D750 to Canada  couple of years ago, thinking I'd use the D7100 for birds and the D750 for bears and landscapes, but ended up hardly using the D7100.

 

 Having said all that, I've just got my hands on my new D500 (crop) and can't wait to try it out!

cheers

 

mick

I've googled that a few times but never come up with a definitive answer.  I went to the trouble of trying out a Nikon 1.4 TCE mk2 teleconverter with my D750 and my 70 - 200 f4 lens a while back.   Image quality dropped quite a but and focus was a bit fussy.   The 1.4 TC made the camera see f5.6.    I have thought about buying a good second hand 1.4 tc but I already own the D7100 so it would be a waste of money.   Funnily enough the D7100 takes much better moon pics than the D750 with the 200-500 lens, even when I back the zoom off on the lens when using the D7100 to make it the same focal length (so around 400 on the D7100 vs 500 mm on the D750)  I'm not sure why that is, maybe something to do with smaller pixels on the crop sensor camera?

 

 

Posted (edited)

I think we should post some pics on this thread, and move the discusson somewhere else!! Here's my contribution:

 

Back-faced cormorant:

 

 

 

cheers

 

mick

Edited by mickj1
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Posted

Nice long exposure Ken.

This is my 45minute exposure @ f250, 100 iso, pinhole, 8x10 contact print.

 

Pinhole Fig Tree

 

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Posted

This is an unedited Picture that my new drone automatically takes, it has a panoramic function that's not too bad. 

Might make sure there's better lighting next time. 

IMG_9959.PNG

Posted (edited)

A couple of shots today with my new Nikon D500/ Nikkor 200-500mm lens combo:

Eastern spinebill out our front window:

 

 

Sooty oystercatchers just on dusk:

 

 

 

cheers

 

mick

 

Edited by mickj1
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Posted

Isn't evolution wonderful .......... who would have thought that dropping superfluous legs would work ............. :)

 

Lovely shots .......... I had better continue saving by the look of that ............ :-)

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Posted (edited)

Just been out in the cold, first real try at night photography, not so good, but fun.

Unusual streak of white light/cloud?

Here at 43 degrees south, it stretches across the sky from NW to SE.

 

 

Sky_light_030817_SNA.jpg

Edited by soundbyte
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Posted
Just been out in the cold, first real try at night photography, not so good, but fun.
Unusual streak of white light/cloud?
Here at 43 degrees south, it stretches across the sky from NW to SE.
 
 
Sky_light_030817_SNA.thumb.jpg.d02222c5389d6539a604a47d39671a1b.jpg
Cool photo Russell!

Posted

Maybe a fading contrail?

There aren't many that pass more or less directly over Hobart, but I spotted a high-altitude daytime jet contrail over Hobart two days ago that looked to be from SE to NW.

When I got home & went onto 'Flightradar' and it was a flight from Auckland to Doha;  in fact it turned out to be more ESE to WNW, but no idea why it swung so far South on its way to the Middle East..

Posted

I think it was a reflection of light from the moon on high level cloud, something similar to a rainbow.

It was directly overhead and moved south over time and did not fade, unlike vapour trails that dissipate and are not as long, it was almost horizon to horizon.

Interesting whatever it was, never seen anything like it before, camera did not do it justice, or maybe it was the camera operator!

Posted (edited)
23 minutes ago, robin-hobart said:

A single Noctilucent cloud then? Although there's usually more than one.

I bet your lens fogged up when you first went out!

Not so much like the "Noctilucent" clouds shown here https://www.nasa.gov/mission_pages/aim/multimedia/noctilucant_clouds.html

The "cloud" seemed to move in relation to the moon.

It may have been a moonbow see here https://www.timeanddate.com/astronomy/moonbows.html

 

No camera lens was fine, it came out of the warm into the cold, I place the camera in the laundry for ten minutes to transition to the warm in the living room after the photo shoot though.

Edited by soundbyte

Posted

Breakfast fish in a lane near our hotel D7000 DX35mm 1.8 - too dumb to do post processing so it's un naturale

 

DSC_4143.thumb.JPG.8208aa3d70fb731753d6aba44c312f17.JPGKeeping the fish theme a stroppy little fish in an urn, Bangkok, same lens/camera

 

DSC_4940.thumb.JPG.7bbc474c54cabcf972b5001c133eeacf.JPG

DSC_4873.thumb.JPG.e04ae70a186e3185dbcb3953a2430d27.JPG

 

 

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