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Zoom or prime.
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Dec 13, 2018 21:36:41   #
wrangler5 Loc: Missouri
 
Bipod wrote:
Speaking of the Nikon 300mm f/2.8, check out the MTF graph
at the bottom of the linked page--it's danged near perfect:
https://imaging.nikon.com/lineup/lens/f-mount/singlefocal/Telephoto/af-s_300mmf_28g_ed_vr2/index.htm

And sooooo fast....and contrasty.


I rented one of those to use at a weekend horse show, back in my film days. Got a couple of my most memorable images with that lens, that I don't think would have been the same blowing up the same shot taken with my (normal) Nikon 80-200/2.8 (this was with ISO 400 film.) BUT - when I took the lens back on Monday I asked 'em why they didn't give me the wheel set for it. My shoulder hurt for the better part of a week from hauling that thing around (it was usually on a monopod that I would put over a shoulder when moving from one place to another.) Fabulous lens, but that sucker is HEAVY.

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Dec 13, 2018 22:47:48   #
Spirit Vision Photography Loc: Behind a Camera.
 
Do not pixel peep. Human eyes aren’t as discerning as you may think. Get the best glass (primes or zooms) that you can afford. Then just shoot! Photography is all about vision. Any lens made in the last couple of decades will serve your purpose. I shoot with older glass on film. My images have never been denied publication due to technical reasons. It’s allabout vision. Consider the the fact that 99% of the most memorable images made in phototographic history, were made with cameras and glass (lenses) that are far inferior to what we are shooting with. It’s all about the vision of the shooter.

“A photograph that mirrors reality, cannot cannot compare to one that reflects the spirit.”

Russ
KironKid

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Dec 13, 2018 22:51:56   #
issa2006.
 
Doing news photography I have found my prime 50 1.8 nikon very limiting. I recently bought the nikon 18-300 which is going to cover all situations since I have to be able to change focal length very fast or I will miss the shot,especially with children. I was pretty much using my 18-140 lens for everything but it seems the longer reach lens will stay on my camera. I have a 17-50 fixed aperture and a 17-70 zoom which I hardly ever use and may sell even though they are faster than the zoom. They do not perform any better in low light than the 18-300 which was why I bought them.

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Dec 14, 2018 12:43:35   #
henrycrafter Loc: Orem Utah
 
I shoot primarily 120 film using either a Mamiya RB67 or a Sinar F view camera.
My lenses of choice are primary and though I also have a Canon T5i which uses zoom I prefer may film and primary lenses.

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Dec 14, 2018 22:44:54   #
jwoj69
 
I just spend couple hours using my Tamron 45mm USM VC, my favorite lens. I be honest, my job would be much easier with my Sigma 17-50 USM IS, but the fun factor and the quality of my pics force me to go with Tamron. No regrets hear, I just love this lens!

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Dec 15, 2018 00:18:13   #
tenny52 Loc: San Francisco
 
I would be confused which prime I should use; I guess the best way would be to try all per instance.
You would be the busiest shooter switching lens. Beware of dust exposure to you camera sensor.

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Dec 15, 2018 02:18:23   #
JimH123 Loc: Morgan Hill, CA
 
Bipod wrote:
Speaking of the Nikon 300mm f/2.8, check out the MTF graph
at the bottom of the linked page--it's danged near perfect:
https://imaging.nikon.com/lineup/lens/f-mount/singlefocal/Telephoto/af-s_300mmf_28g_ed_vr2/index.htm

And sooooo fast....and contrasty.

But I rarely (if ever) need a lens longer than my old Nikon 200 mm, for the stuff I do.
Oh well.


I have a 300mm f2.8. But it is so big and heavy, I seldom get it out. But I do like primes!

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Dec 15, 2018 02:38:50   #
Spirit Vision Photography Loc: Behind a Camera.
 
When using zooms, I find that my Vivitar Series 1, 28-90 & Kiron 70-150 cover everything. With very high image quality.

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Dec 15, 2018 16:02:53   #
Bipod
 
User ID wrote:
`


10X zoom [28-300] wide open at the long end.
Would a prime do any better ? Probably would.
Does the difference matter ? Probably not. If
you don't like living with probability, then you
are in the wrong universe. No exaggeration.

But what about the corners ? ? ? They do look
great, don't they ? But there's no subject detail
there, to show off the optics. Uhhh huh. And if
if there was detail or texture there, would really
good optics strut its stuff ? No. Not wide open
at 300mm, cuz there's no DoF so it won't focus
the details anywho .... unless you stop down a
few stops to improve DoF. But if you stop down
a few stops, almost any lens will look terrific.
` br br br 10X zoom 28-300 wide open ... (show quote)

That photo is very low contrast.

Insidious flare caused by an overhead light or white ceiling
outside the angle-of-view?

A prime lens might have produced a more contrasty image.

Also, the edges (e.g., of the shirt) are not sharp--but that's
actually a good thing in a portrait.

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Dec 15, 2018 16:23:16   #
Bipod
 
JimH123 wrote:
I have a 300mm f2.8. But it is so big and heavy, I seldom get it out. But I do like primes!

Great lens. Who said photography was supposed to be convenient? Not this guy:
https://i.pinimg.com/originals/8c/6c/82/8c6c8213f9881122d2d39778a7dd9d56.jpg
https://i.pinimg.com/236x/d5/ef/7e/d5ef7eabe903853581c6b679b273b038.jpg

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Dec 15, 2018 16:34:06   #
Bipod
 
wrangler5 wrote:
I rented one of those to use at a weekend horse show, back in my film days. Got a couple of my most memorable images with that lens, that I don't think would have been the same blowing up the same shot taken with my (normal) Nikon 80-200/2.8 (this was with ISO 400 film.) BUT - when I took the lens back on Monday I asked 'em why they didn't give me the wheel set for it. My shoulder hurt for the better part of a week from hauling that thing around (it was usually on a monopod that I would put over a shoulder when moving from one place to another.) Fabulous lens, but that sucker is HEAVY.
I rented one of those to use at a weekend horse sh... (show quote)

Lugging heavy lenses and cameras is good for one's photographic karma
(especially if accompanied by a prayer to St. Ansel).

I'm trying to think of an art form that is convenient: oil painting? No.
Stone carving? Definitely not. Assembling a symphony orchestra? Hardly.
Ballet company? Egads!

Compare the time required to complete a photograph with the time required
to complete a drawing of the same scene--photographers have it easy.

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Dec 16, 2018 06:59:12   #
Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)
 
User ID wrote:
`


10X zoom [28-300] wide open at the long end.
Would a prime do any better ? Probably would.
Does the difference matter ? Probably not. If
you don't like living with probability, then you
are in the wrong universe. No exaggeration.

But what about the corners ? ? ? They do look
great, don't they ? But there's no subject detail
there, to show off the optics. Uhhh huh. And if
if there was detail or texture there, would really
good optics strut its stuff ? No. Not wide open
at 300mm, cuz there's no DoF so it won't focus
the details anywho .... unless you stop down a
few stops to improve DoF. But if you stop down
a few stops, almost any lens will look terrific.
` br br br 10X zoom 28-300 wide open ... (show quote)


And that's not even a great zoom!

There is a lot of contrast in the image, providing a perception of sharpness.

Not bad, but . . .

I'm with Reverand and the 24-70. This is what a good sharp zoom lens at full zoom (70mm) can do, and no I don't think if I used my 85 2.8 it would be any sharper:

.


(Download)


(Download)


(Download)

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Dec 16, 2018 08:02:17   #
jerryc41 Loc: Catskill Mts of NY
 
jwoj69 wrote:
I currently own 24mm f 2.8 Canon, 35mm f2.8 IS `Canon, 45mm USDD VC Tamron, 50mm f1.4 Canon, 85mm f1.8 Canon, 90mm f2.8 Tamron, 105mm f2.8 Sigma. I use them more often than my zooms.


That's my only objection to primes: you need too many of them. Lots of spending, storage, and switching.

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Dec 16, 2018 15:09:16   #
Bipod
 
Gene51 wrote:
And that's not even a great zoom!

There is a lot of contrast in the image, providing a perception of sharpness.

About that previous image: No true black, not true whate, just shades of gray an pink.
Maybe it was taken in a steambath?

Like most bad lenses, it's pretty sharp in the center of view.
Quote:


Not bad, but . . .

I'm with Reverand and the 24-70. This is what a good sharp zoom lens at full zoom (70mm) can do, and no I don't think if I used my 85 2.8 it would be any sharper:

.

Res too low to say much about the image.

Again, sharpest in the center, not as sharp in the edges (where they are in the plane of focus)

Cropping the center is like looking for leaks on the top of water tank, instead of the bottom.
"No leaks on top--must be OK"

To test a lens, you need to take a photo of a high contrast subject in very good light,
with detail throughout the image. And you can't compresss it.

And if you want to detect distoration, then you need some straight lines in the subject.

If these are the only kinds of photos you take, then you don't need a sharp lens.
To shoot a wedding, you don't need or want a sharp lens.

Maybe that's your point?

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Dec 17, 2018 22:09:34   #
jwoj69
 
After my last countdown, I have nine prime lenses and seven zooms. I just got Canon 135mm f2.8 soft focus. I got it from Japan so it will be after Xmas before I will put my hands on it. I extremely interested on how the soft focus works, what kind effects I can get out of it. From what I find out, it's a very nice lens.

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