A photographic lens is used to focus the light onto film or a digital sensor. Many cameras have interchangeable lens systems, allowing the photographer to choose the type of lens to use.
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1answer
183 views
Differences b/w normal lens and macro lens? [duplicate]
Possible Duplicate:
What’s the difference between a regular lens and a macro lens?
what are the main differences b/w macro lens and normal lens. How a 100mm macro lens achieves more ...
3
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1answer
594 views
Very old Ricoh camera and lenses to work with newer DSLR cameras
I've been given an old bag of Ricoh camera and lenses and I find that it would be such a waste not to be able to use in some way all this again for something.
Can you give me some suggestions as to ...
2
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2answers
244 views
Nikon - Are two lenses better than one? [duplicate]
Possible Duplicate:
What are the tradeoffs when replacing two zoom lenses with a superzoom?
I'm after a zoom range of 28mm to 200mm.
Budget is £600 GBP
The Nikon 18-200mm VR II has a ...
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1answer
770 views
Which wide-angle lens for Nikon?
I have a Nikon D70 and my better half has a Nikon D3000. She uses a 18-55mm lens (I think) and I have a Nikon 18-200mm lens which I love.
We are going to Peru next year and I would like to get a ...
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0answers
55 views
Camera to align my passion and purpose [duplicate]
Possible Duplicate:
What should I look for when shopping for my first DSLR?
I need great recommendation to buy a camera which aligns my passion and purpose. I own cannon SX20 since three ...
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3answers
359 views
Can the lenses of a Canon EOS film camera be used on a digital one?
I have lenses from a Canon EOS rebel Xs film camera: 28-80mm f/4-5.6 II (diameter 58mm) and a Sigma 100-300mm f/4.5-6.7. I am thinking to buy a Canon Digital 40D and use these lenses. Will those ...
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1answer
141 views
What lens and mount is this Sigma lens for Canon?
I have recently been given old(ish) Sigma 55-200mm lens for Canon (not EF mount), I believe that it is f/4-5.6. It is zoomed by pulling the barrel out.
What mount is it? And what specifications does ...
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3answers
419 views
What lenses can I mount on Canon that will give me a different, exotic look for portrait photography?
I was usually working with Canon lenses (the 85mm f/1.2, 8-15mm, 16-35mm), but recently, I've got myself the Zeiss 100mm f/2, and it blew me away. I never thought it possible, but it, while making ...
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1answer
161 views
Starting out professionally in families/kids/events photography in mostly natural setting vs studio
I am starting out and would appreciate advice on what lenses are ideal for families/kids/events in mostly natural settings with some indoor for events and such. The plan is to purchase a Canon 7D ...
5
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3answers
1k views
Why does my Canon 7D get blurry pictures with a 70-200mm f/2.8 IS (series 1)?
I'm wondering if it's normal for a Canon 7D with its crop sensor to get unsharp pictures with a 70-200mm 2.8? I just bought a used 70-200 and it seems a little bit blurry. Maybe it needs calibration? ...
6
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3answers
2k views
Is the Canon EF 70-300mm f/4-5.6 IS USM suitable for wildlife photography?
I got my first DSLR about a week ago (600d) + af-s 18-135mm kit lens, but I want another lens with greater focal length.
So I thought about this lens:
CANON 70-300mm f/4-5.6 IS USM
How does it ...
2
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1answer
282 views
Tamron 18-200 lens
I am looking for a budget telephoto lens. The Canon 55-250 and Tamron 18-200 are both within my budget. I am slightly inclined towards getting the 18-200 because of the range it has. I looked up for ...
3
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5answers
1k views
Canon 70-200 F4 L USM (non-IS) vs Tamron 70-300 VC
Please help, I am very torn between these 2 lenses in my budget. I am looking for a telephoto lens to use primarily outdoors for photos of my 3 year old, husband playing football and longer focal ...
12
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3answers
367 views
Distortion/quality when using a full frame lens on a crop sensor camera
I am looking for a sharp, affordable wide-angle prime for my Nikon D7000, primarily for landscape shots.
I am really interested in the Samyang (aka Rokinon, Bower) 14mm f/2.8 lens due to its ...
4
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7answers
418 views
Trip to India - choosing which lens to carry
I will be traveling to Jaipur India, and wanted to know which lens to take along with my Nikon d5100. I currently have a 35mm f1.8, 55-200mm, 70-300mm and a 18-70mm.
I want to take pictures of the ...
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3answers
438 views
White spots on some photos
I'm fairly new here and fairly new to photography too. So I'm hoping someone can help me out here. You see, there is this white spot that appears in my photos and I don't know what causes it. It ...
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2answers
500 views
Broken Canon 28 -135 mm lens
I have a 28 - 135 mm Ultrasonic; the mechanism for the auto focus has failed, and there is some plastic bouncing around inside.
Is it worth repairing this lens?
Second question, assuming I don't get ...
6
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2answers
810 views
Any reason to buy stock lens for Sony Alpha if I already have good Minolta Maxxum lenses?
I am a novice photographer looking to get into DSLR photography. I have an old Maxxum 5 and a couple lenses for it: a 75-300 zoom and a 28-80 zoom. After reading this question, it is clear that ...
5
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4answers
417 views
Are there any pinhole “lenses” available from lens manufacturers?
I know that it is possible to make your own pinhole, but do lens manufacturer's make pinhole "lenses" that include aperture data, etc? If so, who makes them?
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1answer
2k views
Canon Zoom lenses: 18-135 STM vs 18-200 vs. 17-85
In my quest to buy a new camera, My local store has three bundles, that each comes with one of the three lenses mentioned in the title. I'm having a hard time deciding between the three as they all ...
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1answer
192 views
Sigma 17-70mm f/2.8-4 OS HSM over Canon EF-S 18-55mm f/3.5-5.6 IS II
I own the Canon lens (on a 400D camera). Rather satisfied, but it is not an inspiring lens.
I refer most of all to image quality. I know Sigma has some more focal length and it is a good thing ...
4
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2answers
272 views
Canon 50mm F1.8 quality
I recently bought 50mm f1.8 lens online, and quality is very poor as described in most of the reviews. But when i shake it gently I can feel some of the parts moving inside. And when ever I slide the ...
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3answers
193 views
Canon EF 24/28 mm f/2.8 IS USM Autofocus Lenses
Is there a good reason to choose one lens over the other?
Granted that the 24mm lens is a bit wider than the 28mm lens but are there any other reasons?
6
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1answer
243 views
Can anyone help identifying this lens?
I bought a Nikon FG today, with 2 lenses and a load of accessories.
One of the two lenses is kind of a mystery, as there's no manufacturer name on it.
I'm trying to figure out who's the manufacturer, ...
2
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5answers
798 views
Tamron 17-50 f2.8 lens vs Canon 17-40mm 4.0 lens
How is the quality of the Tamron 17-50mm f2.8 lens? Specifically, is it comparable to the Canon 17-40mm lens, in the following measurements.
Overall quality (Blur, aberrations, etc)
Parallel lines ...
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3answers
184 views
What lenses could I get for EOS 60D beyond the kit? [closed]
I have just bought the EOS 60D and I am thinking to buy some new lenses.
What are the next best lenses to buy to get more detail in my pictures and do they have to be EF-S lenses (like the kit lens ...
4
votes
4answers
1k views
Will the Canon EF 50mm f/1.4 give better auto-focus results than the 50mm f/1.8?
I'm currently shooting with a Canon EF 1.8 50mm. I like this lens — it's pretty sharp and the shallow depth-of-field at F1.8 is great.
But I always face a problem using auto-focus: almost every shot ...
5
votes
1answer
1k views
Why is my Nikon d3100 with 18/55 lens suddenly fuzzy?
I was taking some inside pictures with my Nikon D3100 and 18/55 lens when, all of a sudden, the lens started to work funny -- the more I zoomed in on the subject, the fuzzier the picture looked in the ...
3
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2answers
590 views
Nikon 50mm FX as general-purpose lens on DX?
I have a Nikon D5100 with the excellent 35mm 1.8 (DX) prime lens and am now looking at the 50mm 1.4 (FX). This is (according to my research) a 75mm equivalent on a DX body. Does anyone else have ...
5
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2answers
91 views
Does “the same” lens, with different autofocus systems, have the same optical quality?
I'll give examples with Nikon only, but the question is pretty general.
So, is this a fact or not?
Examples:
Nikkor 50/1.8G AF-S, Nikkor 50/1.8 AF-D and Nikkor 50/1.8 AF
70-300 AF and 70-300 AF-S
...
6
votes
1answer
257 views
What are the differences between Pentax weather sealings - DA★, WR, AW?
Pentax has in current product line weather-sealed lenses with three different markings -
DA★ on primes and fast zooms;
WR on consumer zooms and 100mm macro;
AW on some newer primes.
What are the ...
3
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1answer
435 views
lens math: focal length vs distance to subject?
I have found this illustration that shows how the framing of a subject varies at different focal lengths. At first glance, 10mm vs 17mm is quite a big difference. But then again, it seems like the ...
5
votes
3answers
3k views
Why is the 18 - 200 mm lens so expensive compared to equivalent alternatives?
I have been looking at various lenses and I found that that the 18-200 mm lens is pretty expensive (be it Canon or Nikon) when compared to the combination of the lenses 18-55 & 55-200.
Is there ...
3
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3answers
393 views
Why are there no autofocus tilt-shift lenses? or, why do tilt-shift movements appear to be incompatible with phase-detection autofocus?
I have never seen or heard of an autofocus tilt-shift (perspective control) lens. It seems like perspective control movements prevent phase-detection autofocus from working correctly; for example ...
6
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5answers
911 views
Can Nikon FX (full-frame) users use DX (APS-C) lenses?
I mean, through the "crop-mode", using only part of their sensor ? Does it work as intended or is it a gimmick ?
For the moment I shoot APS-C, with a possible perspective of converting to FF some ...
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votes
3answers
297 views
Comparison between acquiring the Canon EF-S 17-55mm f/2.8 IS or EF-S 24-70mm f/2.8 lenses
I'm thinking of getting either the Canon EF-S 17-55mm f/2.8 IS or EF-S 24-70mm f/2.8L lens. What are the main similarities and differences between these two lenses, and what are their relative ...
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1answer
181 views
Which of the following lenses do fit on a Nikon D 3100
I've been given the following lenses from my neighbour; which ones will fit a Nikon D3100?
Sigma 28-200 mm F F3,8 - 5,6
Nikon Af 70-210mm F/4,0-5,6
Nikon Af 28-85mm F/3,5-4.5
Nikon 50 mm F 1.4
Nikon ...
3
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2answers
1k views
What's the difference between Canon EF-S and EF-M?
What is the difference with Canon EF-S and EF-M lens?
3
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3answers
435 views
7D or D700 for hockey?
I hate to be THAT GUY that starts another comparison thread, especially one that may really seem like comparing apples and oranges and has probably already been answered somewhere, but all the ...
2
votes
0answers
83 views
How Focal Lengths is related to Sensor Size? [duplicate]
Possible Duplicate:
What is the difference between focal length and crop factor?
I was watching a video review of Tamron 70-300 lens where he mentioned that effective Focal length for a ...
5
votes
1answer
134 views
K800i 5.2 mm lens equivalent
I really like the pictures my Sony K800i with its 5.2mm lens takes and I use its lofi quality to creative effect and woud like to know the 35 mm lens equivalent to this little piece of plastic.
I ...
4
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1answer
146 views
Can a bad lens contact cause false battery warnings?
I had a major problem with my Nikon D80 lately, in that after taking 1-2 pictures or just leaving it on for around half a minute, it would give me a battery warning before turning itself off. This ...
2
votes
2answers
203 views
How do I find the thread diameter of my lens?
I have an older Olympus OM 50mm lens that I'd like to get a matte box for, as I'm going to use it for video on a 550D. However, I can't seem to figure out what the thread diameter is. There are no ...
2
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6answers
946 views
Is small sensor always a bad thing?
I own a DSLR. I want to buy some not-too-expensive compact, and there are a lot of compacts in the range 100-250$ with 1/2.3" sensors.
Can such a sensor/camera set give a quality somewhat comparable ...
3
votes
1answer
2k views
Nikon 24-70 versus 35-70 Image Quality and Sharpness (only)
I am planning to buy a 24-70 but I saw a second hand 35-70 AF in a store nearby, I did some research and again, I stumbled upon Ken Rockwell's 35-70 review, in which he states:
This 35-70mm f/2.8 ...
2
votes
3answers
554 views
Lens with small scratches on the front element - how do they affect IQ?
I am looking to buy a CANON 28mm 1.8 EF lens. I found an offer, significantly discounted, of a lens with small scratches on the front element.
The offer is very tempting. Here is a photo posted by ...
3
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3answers
468 views
Upgrade from EF-S 15-85 IS
I currently own a Canon 60D, and I am perfectly happy with the camera. It is going to be years until I move to a better (most likely full-frame) body.
My main, walk-around lens is the 15-85. I am ...
7
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2answers
1k views
Canon 50mm f/1.8 vs Canon 28mm f/1.8 (vs Sigma 30mm f/1.4)
I have the nifty-fifty and I am in love with the kinds of images it can produce, particularly when it comes to portraits. I really enjoy the lens, but I have one problem; it is a little bit too tight ...
3
votes
5answers
419 views
How to protect surface of lens or filter from condensation of moisture
This happens when the temperature is coolest often late at night or early in the morning.
Few days ago I did night shots and every 4-5 minutes I had to clean filter from water (mist). Is there any ...
1
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2answers
352 views
Pentax DA L 55-300mm lens very soft--is it broken?
There seems to be a problem with my DA L 55-300mm lens, with very soft output at or near the telephoto end:
Wide-open test shot
Pentax K-5 with Pentax DA L 55-300mm @ 300mm. Av, 1/320s f/5.8 ISO ...
