Newest 'canon-400d+canon-400d+or+lens' Questions - Page 63

200 votes

15 answers

135k views

What do all those cryptic number and letter codes in a lens name mean?

When looking at a lens name, there are a lot acronyms describing its features (often specific to the manufacturer). Examples, Nikon: Nikon AF-S DX 16-85mm VR f/3.5-5.6G IF-ED Nikon AF-I 600mm f/4D ...

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8 revs, 7 users 65%
Mikael Sundberg

11 votes

4 answers

7k views

How many optical aberration types are there in lenses? And what are they?

Everyone hears something about chromatic aberration but are there any other types? What causes them?

spinodal

753

asked Jul 16, 2010 at 6:21

11 votes

8 answers

6k views

For greater telephoto range, should I use 70-200mm + teleconverter or a longer zoom lens?

Right now, I have a Nikon 18-200mm f/3.5-f/5.6 VR lens. I like it, but want more telephoto range and would also like to be able to use faster shutter speeds. I am interested in the 70-200mm f/2.8, but ...

Josh Goldshlag

1,898

asked Jul 16, 2010 at 2:40

7 votes

5 answers

9k views

Are third-party alternatives to the Canon 70-200 f/2.8 worth the price savings?

Has anyone used the 3rd party 70-200 lenses? Are you happy with the quality, or do you wish you had saved up for longer and got the Canon?

Daniel O

726

asked Jul 16, 2010 at 1:10

15 votes

11 answers

13k views

Which macro lens would you recommend for a full frame Nikon camera?

I use a full frame Nikon camera and would love to play with macro photography. Is the Nikon 105 macro strong enough or would you rather recommend some bigger third party lens?

Piotr Zurek

2,212

asked Jul 15, 2010 at 23:53

10 votes

9 answers

37k views

What lenses are must-have yet affordable for a Canon T2i camera?

I have a canon T2i camera. I am beginner looking for some tips on the best lenses to carry around.

CodeToGlory

2,291

asked Jul 15, 2010 at 23:39

19 votes

5 answers

2k views

What is an ultra-wide lens?

What is the point at which a lens is considered "ultra-wide angle" vs just wide angle?

chills42

23.7k

asked Jul 15, 2010 at 22:46

31 votes

6 answers

14k views

Can I damage the focus system by turning the focus ring when the lens isn't mounted?

I have a couple lenses that don't have an internal focusing system, and whenever I want to put them back in my bag, I turn the focus ring to make the lens shorter. I noticed that when the lens is set ...

Rismo

711

asked Jul 15, 2010 at 22:25

25 votes

6 answers

2k views

Should I be worried about getting dust inside my SLR?

I recently went to Silverstone to watch the F1 qualifying and took my DSLR camera with me. Throughout the day, I switched lenses a few times, but each time was very conscious that there was a lot of ...

adrianbanks

555

asked Jul 15, 2010 at 22:02

28 votes

10 answers

9k views

Are Sigma lenses comparable to Canon lenses for a Canon camera?

I always feel that I should buy a Canon lens for my Canon camera, and Sigma would just be a cheap knock-off. Is that the case?

Noel M

1,950

asked Jul 15, 2010 at 21:17

21 votes

4 answers

2k views

What is Chromatic Aberration?

What is Chromatic Aberration? Is it a physical part of the lens, or just an optical illusion?

WireGuy

1,499

asked Jul 15, 2010 at 21:16

17 votes

13 answers

2k views

What's an excellent walkabout lens?

(Happy to keep the question general, but personally interested in Canon fit) I've got a Sigma 18-125 that's served me well, but the image quality isn't stellar, it's unstabilised, max f3.5, and focus ...

frumious

1,148

asked Jul 15, 2010 at 21:14

23 votes

4 answers

1k views

What should I consider when purchasing a macro lens?

What should I be aware of when buying a macro lens (other than that it will fit my camera)? What features should I look for? What specs should I pay close attention to? What factors affect macro ...

Dan McClain

2,087

asked Jul 15, 2010 at 20:26

26 votes

2 answers

1k views

Considerations when purchasing a prime lens?

What should I be aware of when buying a prime lens (other than that it will fit my camera)? What specs should I pay close attention to?

Dan McClain

2,087

asked Jul 15, 2010 at 20:26

12 votes

4 answers

362 views

What are important considerations when purchasing a zoom lens?

What should I be aware of when buying a zoom lens (other than that it will fit my camera)? What specs should I pay close attention to?

Dan McClain

2,087

asked Jul 15, 2010 at 20:25

23 votes

7 answers

3k views

Which scenarios are better shot with a prime lens versus zoom lens or macro lens?

What scenarios are better shot with a prime lens? A zoom lens? A macro lens?

Dan McClain

2,087

asked Jul 15, 2010 at 20:22

9 votes

7 answers

10k views

What CCTV lenses can I use with Micro 4/3 and adapter?

I keep hearing things about using CCTV C Mounts hacked into a Micro 4/3 camera using an adapter. Does anybody have any experience with this? Can any ebay lens work, or is the C-mount not universal? ...

Suspi

437

asked Jul 15, 2010 at 20:18

11 votes

1 answer

1k views

How can you tell if a lens is having problems with back focusing?

I recently bought a Canon EF 24-70/2.8L to use with my 450D and I suspect that it is constantly back focusing. Is there any way of determining if it is something wrong with the lens or if it is a ...

Mathias

381

asked Jul 15, 2010 at 20:10

6 votes

0 answers

518 views

How do I avoid getting any chromatic aberration in my photographs?

Another question is how to correct it (suggested in proposals), but ... are there ways of avoiding it in the first place?

Lazer

4,059

asked Jul 15, 2010 at 19:56

73 votes

11 answers

14k views

Are there any downsides to using a good-quality UV filter?

Are there any real downsides to using a UV filter? I know that a poor quality UV filter can effect image quality ... but, assuming I use a good quality UV filter, will that actually be an issue? Is ...

David G

1,769

asked Jul 15, 2010 at 19:38

70 votes

12 answers

94k views

Is there a noticeable difference between 1.8 and 1.4 prime lenses?

I have been shopping around for a prime lens for my Nikon D50. I noticed that the 1.8 is hundreds of dollars cheaper than the 1.4 AF-S. What will I gain for that cost difference? Is it really ...

jessegavin

1,413

asked Jul 15, 2010 at 19:28

25 votes

10 answers

12k views

Should I really lug around a lens cap everywhere?

I lose lens caps by the billion. Is there another way to protect my lenses without having to carry these things around with me?

Brian

591

asked Jul 15, 2010 at 19:22

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All Questions

What do all those cryptic number and letter codes in a lens name mean?

How many optical aberration types are there in lenses? And what are they?

For greater telephoto range, should I use 70-200mm + teleconverter or a longer zoom lens?

Are third-party alternatives to the Canon 70-200 f/2.8 worth the price savings?

Which macro lens would you recommend for a full frame Nikon camera?

What lenses are must-have yet affordable for a Canon T2i camera?

What is an ultra-wide lens?

Can I damage the focus system by turning the focus ring when the lens isn't mounted?

Should I be worried about getting dust inside my SLR?

Are Sigma lenses comparable to Canon lenses for a Canon camera?

What is Chromatic Aberration?

What's an excellent walkabout lens?

What should I consider when purchasing a macro lens?

Considerations when purchasing a prime lens?

What are important considerations when purchasing a zoom lens?

Which scenarios are better shot with a prime lens versus zoom lens or macro lens?

What CCTV lenses can I use with Micro 4/3 and adapter?

How can you tell if a lens is having problems with back focusing?

How do I avoid getting any chromatic aberration in my photographs?

Are there any downsides to using a good-quality UV filter?

Is there a noticeable difference between 1.8 and 1.4 prime lenses?

Should I really lug around a lens cap everywhere?

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