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Need help at deciding for lens

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watts

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Joined: Nov '10
Posts: 14
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Fellas, i came up to a dead end here: i bought a D7000 with 18-105mm, which has focal range from 45cm further.
Since i have (and i love) tons of details to be in picture (and i dont want to spend tons of money) i'm asking you some of things:

1. For a macro lens - what does milimeters count? (smaller mm - you need to get closer? does it touch the distance between lens and object?)
2. On macro lens - what does 1:2 or 1:1 mean? (Tell me long way, i'm not pure english man)
3. Depending on 1:1 or 1:2 (what it does): should i get zoom (70-300mm) or a fixed (105mm)?
4. Nikkor lens are really expencive, for example 105mm F/2.8 AF Mikro. Any difference between it and sigma macro 105mmF/2.8 AF?

Thats all for now - i'll pop later if i need more infos.

(Edit: i've already decided that 35mm/F1.8G is "A MUST" ;))

Posted 2 years ago #
lauzobe

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Joined: Oct '10
Posts: 106
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I'll let the more experience answer details and will also learn from their answers myself.

But after some search of my own, considering my budget and also that I can't commit to pro glass both financialy and talent wise. I went with the following setup.

- Nikon D7000,
- 18-105 mm VR,
- 70-300 mm VR,
- 35 mm/F1.8 (also a must for me),
- Speedlight SB-700,
- 3 U/V filters,
- 1 Hoya Polarizing 67mm (for the 18-105/70-300),
- 1 hoya ND 67mm (for the 18-105/70-300),
- 1 spare battery,
- and the new Nikon sling bag

I plan to first grow into amateur photography, but would not mind doing something on the side with it in a year or so. Then when and if the profits allow, will commit to better lens.

Cheers and welcome to the world of newbies, if you are that is.

Posted 2 years ago #
kishore

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Joined: Nov '10
Posts: 14
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get the 60mm af-s or the af-d for macro

on d7000 due to crop factor it would be more like 90mm lens and a great macro

Posted 2 years ago #
QuadraPixel

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Joined: Mar '09
Posts: 245
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The ratio you see when reading the specs basically tells you the relation between the size of the object you are photographing, and the size of the object on your image sensor at the lenses minimum focus distance. So, if you are photographing a postage stamp the exact same size as your image sensor, as close as you can get, then the stamp will fill the whole image. IE, WAAAAY close.

Any "Micro Nikkor" Nikon lens is a 1:1, and any 3rd party lens that says "Macro" will be only 1:3 to 1:1. You just need to read the specs.

Oh, and the longer the focal length of the lens, the further your working distance (105mm VR is 1 foot, and the 60mm AF-S 7.3 inches).

Edit: The AF-S DX 85mm f/3.5G VR should be an awesome choice. Can be had for $450 (USD)

Posted 2 years ago #
Pombo

new member
Joined: Nov '10
Posts: 2
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I have the D7000 now as well and my current set up is:

Tamron 17-50 2.8
Sigma 50-150 2.8 HSM
Nikon 35mm 1.8 AFS
Sigma 105mm Macro AF
SB-800
Various filters.

The actual working distance from the front of the lens to achieve 1:1 focus is around 15 cms for the Nikon 105mm and around 11 cms with the Sigma.

The Nikon AFS 105mm micro 2.8 is a great lense, built like a tank and focuses very quickly and quietly. It is however very expensive. I went for the Sigma as it is just as sharp but the AF is a lot slower. The price difference is huge.

Posted 2 years ago #
Drab

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Joined: Aug '10
Posts: 540
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QuadraPixel said:
Oh, and the longer the focal length of the lens, the further your working distance (105mm VR is 1 foot, and the 60mm AF-S 7.3 inches).

Working distance from object to the sensor. Not to be pedantic, but I think it is an important point. The 60mm AF-S has only a 2 inch working distance from the front of the lens. The 105 has over three times that. Something which makes its additional cost easier to justify IMHO.

QuadraPixel said:
Any "Micro Nikkor" Nikon lens is a 1:1, and any 3rd party lens that says "Macro" will be only 1:3 to 1:1. You just need to read the specs.

The 70-180 Micro Nikkor does (did?) not go to 1:1.

Posted 2 years ago #
adamz

The Predator
Joined: Mar '09
Posts: 3,461
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please search forum, we had this discussion already with d90

watts - 70-300 is not a macro lens, maybe with some extension tubs you gonna cross the 1:1 ratio but that's not the only factor with macro lenses, the other one which is almost as important is the f stop. with regular lenses once you cross +/- f11 the image degrades, while in macro it becomes visible with a bigger f-stop, allowing for deeper DOV.
yes there is difference between nikon and third party lenses, in most cases You pay not only for brand but for IQ too.

Posted 2 years ago #

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Need help at deciding for lens

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