Shadowy Daisy

Shadowy Daisy
by damned-truths

Submit your Photo
Hall of Fame

Please participate in Meta
and help us grow.

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.

learn more… | top users | synonyms (1)

-1
votes
0answers
99 views

Is an ultrawide zoom or a 24mm prime better for landscape? [on hold]

I want to buy a lens for landscape images, but I don't know which one: the Nikon AF-S DX 10-24mm f/3.5-4.5G ED or the Nikon AF-S 24mm f/1.8G ED. Does anyone already have experience with that kind of ...
1
vote
1answer
25 views
+50

Panasonic Lumix DMC-TZ55 freezes on shutter release

I bought a Panasonic Lumix DMC-TZ55 last year for my vacation to Florida. It is now out of warranty. It worked as expected before, during and for some time after my vacation. I experienced no issues ...
-1
votes
3answers
64 views

Deciding between 16-35mm and 20mm for landscapes [on hold]

I recently purchased a Nikon D750 with the 24-120mm and mostly shoot landscapes. I'm looking for another lens, but I am unsure if I should go with the 16-35mm or 20mm. I'm worried that the 16-35mm ...
22
votes
8answers
3k views

How do photographers manage multiple lenses?

This is probably a very naive question but I will ask anyway. It appears that most photographers carry multiple lenses. Each lens serves a different purpose. I understand that. However, I can't ...
0
votes
2answers
118 views

What lens should we use to shoot large products in a small studio?

I work for a company that sells events and trade show booths. We have a studio to shoot the products, but unfortunately, it is on the small side. I would need a wide angle lens to shoot the products. ...
0
votes
2answers
85 views

How do I correctly convert from aperture diameter into f-stops?

I'd like to know whether it's possible to convert the radius of the focal point into f-stops properly. The following equation illustrates that the diameter is dependent on the f-stop: aperture ...
7
votes
5answers
530 views

Do top-of-the-line lenses transmit more light at the same f-stop?

We usually refer to the F number to compare how fast is a lenses with another one. I understand that the optic quality should help as well — so would a L series in Canon (or whatever is the equivalent ...
-6
votes
1answer
56 views

Widest f1.8 canon full frame lens?

What is the widest lens offered for canon (by any manufacturer) that has an aperture of 1.8 or lower?
1
vote
1answer
68 views

Binocular Cameras

I am from India and I would like to know if there is a binocular which uses binocular lenses as camera lenses to take pictures and show pictures live on eyepiece like Military grade binoculars we see ...
2
votes
2answers
132 views

Is it normal to hear a noise when shaking a Nikon AF-S Nikkor 70-300mm f/4.5-5.6G VR?

Whenever I shake the back side of the lens near my ear, I hear a sound, like something is moving inside the lens. However, it is working properly when mounted. Is this normal?
-2
votes
1answer
44 views

what B+W 77mm HTC Kaesemann Circular Polarizer with Multi-Resistant Coating by Schneider Optics [closed]

I have a Nikon D500 and wanted to purchase a 18-200mm lens to go on safari and wanted to purchase a circular polarizer filter for the lens, but do not know which one to buy and if I needed anything ...
7
votes
2answers
582 views

What are these red markings on this lens?

What do those red marking do (just to the right to the focus distances?
5
votes
1answer
109 views

Where can I find information on the Pentax Q lenses serial protocol?

I'm searching for detailed information on the Pentax Q lenses (any, but I'm especially interested in the 5-15mm-lens) serial protocol, which controls focus/zoom/aperture. So far I have found nothing ...
0
votes
2answers
139 views

What are the pros and cons of different lenses on the end of a long macro bellows

I just picked up a vintage 300mm bellows with a 50mm lens on the M42 screw mount, but the lens is kinda foggy and scratched. What would I gain or lose with different focal lengths for a replacement ...
0
votes
2answers
121 views

Is it stupid to purchase AF Nikkor 50mm f/1.8D over AF-S NIKKOR 50mm f/1.8G to save a few bucks? [duplicate]

I own a Nikon D5300 body, but wish to upgrade to a Pro FX body in future (not any time soon). Between AF Nikkor 50mm f/1.8D and AF-S NIKKOR 50MM F/1.8G, I prefer to buy the former, but at the same ...
2
votes
1answer
56 views

Tamron 24-70mm Vi USD partial dismantling

I am aware of the relative wisdom of pulling lenses apart. Specific warnings based on knowledge of this lens or closely related ones are welcome. Generic ones are unlikely to be helpful. I have a **...
0
votes
1answer
100 views

Can Sigma lenses be converted from EF-S to EF for Canon?

Does Sigma's Mount Conversion work for DC lenses to DG Lens Mount Conversion? Will my Sigma 17-70mm f2.8-f4 OS work with Full Frame Camera 6D after conversion?
5
votes
5answers
14k views

Missing focus with Canon 50mm 1.8 lens - is it the lens or me?

I purchased a Canon EOS 650D and EF 50mm f/1.8 II lens. Unfortunately, the auto-focus seems to miss focus at f/1.8. I've tried setting it to single-point auto-focus: it is better, but still not good ...
2
votes
1answer
84 views

Does it actually matter considering DxOMark's Perceived MPix Score for lenses?

The score of Tamron 70-200 f2.8 Di VC is higher than Canon 70-200mm f4L IS on an APS-C Canon Camera like the 550D. Does this make the lens better than an L Lens in terms of image quality? Autofocus? ...
-1
votes
2answers
65 views

Can I use Yashica 35-70 and Canon 28-80 lenses on DSLR cameras? [duplicate]

I have two camera lenses; one is a Yashica 35-70 mm lens which I am using on a Yashica FX-7 Super manual 35mm film camera. The other is a Canon 28-80 mm lens which came with the Canon EOS 66 35mm film ...
1
vote
1answer
348 views

Pictures start in focus then go out of focus?

I was recently shooting some surf after a session with my 7d and Tamron 18-270MM F/3.5-6.3 Di II VC PZD. I started shooting while he was in focus, then as he got to the main part of the maneuver the ...
-1
votes
1answer
128 views

“Lens not attached” error with new Sigma 150-500 zoom lens on Nikon D3300

I received my sigma 150-500mm F/5-6.3 zoom lens. I connected my lens to my Nikon D3300 which is compatible. When I take a picture the picture is black. I think it's because the shutter is closed. I ...
3
votes
1answer
90 views

Where can I find 4x, 8x, and 12x lens adapters for a 30mm ring size wearable camera?

I have what is called a wearable camera. I am looking to improve and enhance my view as a better live eye look, rather than the distant view all wearable's have in today's market. The camera has a ...
3
votes
1answer
459 views

Nikon 16-85 VR focus noise problem?

My 16-85 VR is doing some weird noise during focus, manual or auto. It's like an hiss. I asked in a local shop and they said it can be some microdust inside the lens. But I'm a little worried it can ...
4
votes
3answers
534 views

Why did manufacturers stop including DOF scales on lenses?

Seriously why? I hate it and I hate memorizing it or check my phone app for the depth of field of the current aperture. I find it so useful in old lenses. The DOP preview doesn't help that much (IMO) ...
0
votes
3answers
116 views

What are the best non-m4/3 lenses for Micro 4/3 cameras? [closed]

I'm looking into purchasing some fast primes for my Olympus E-M5 Mark II. But rather than stick to modern lenses, I'm looking into adapting those from the film era or early digital years. I'm looking ...
0
votes
1answer
141 views

Projector Design and lenses

I am working on a project where I need to project a single image onto an object, Originally I was looking at the digital projector route but due to cost and complexity this has been ruled out. I found ...
1
vote
2answers
576 views

Help me understand effective f-number

If I set a lens to, say, f/2 but my focus is set to its closest point, my effective f-number won't be f/2 any more but it will be higher by a factor that depends on focal length, image magnification ...
4
votes
1answer
285 views

Can you use a Krasnogorsk lens (from the 16mm movie camera) on a Sony NEX camera?

I would love to try and adapt the lens from my 16mm camera Krasnagorsk onto my Sony NEX bodies (3 or 5). The lens I am referring to can be seen on this picture, it is a f 1.9 Zoom Lens: I found ...
0
votes
2answers
106 views

What F means in lenses and how to find focus distance [duplicate]

I've found some camera sensors with very low resolution to use with electronics. Camera have 150x150px and can mount different lenses type: F2.7, F4.0, F6.0. I want to ask what F means and if I can ...
4
votes
2answers
180 views

How can I avoid fuzzy photos at 300mm zoom?

I'm so disappointed in my new 70-300mm lens (AF-S Nikkor ED lens.) I use auto-focus because I'm such an amateur. Is it my camera, (D40x) or the lens? It's probably me, but is there a trick to ...
2
votes
2answers
99 views

Can I use the same lens for landscape and star photography?

My wife loves landscape photography and I love capturing the stars. We are both amateurs and we have been using our stock Canon EOS 750D lens (18-55mm) so far with 'ok' results (both kit and user-...
1
vote
4answers
708 views

What low-cost non-fisheye wide angle lenses are available for Canon and how do they compare?

I'm currently looking for a wide angle lens for my Canon T3i. I would prefer a prime lens. I want to use a wide angle lens primarily for video (so the lens needs a quiet AF motor) but for still ...
-1
votes
0answers
51 views

Lens or camera, what's more important? [duplicate]

I am quite new to photography, and i'm about to by my first ever real camera. But, I can't decide. I am on a budget, so i can't afford whatever i like. So what's more important to put money in to, the ...
1
vote
3answers
87 views

What happens if i block the centre of the rear element

For example here is a rear element with a filled in circle in the middle. What happens to the picture? Is there image quality degradation? Do I lose part of the picture? What about amount off light ...
1
vote
2answers
77 views

When stopped down, does light still pass through all of a glass element behind the aperture blades

When you stop down and look through the lens, the iris (circle of light) gets smaller. Does this mean that light only passes through the middle of each lens element behind the aperture blades? What ...
2
votes
3answers
824 views

Can dirt on a camera's lens cause graininess, without causing large-scale blurring of the picture as a whole?

I have a simple point-and-shoot camera that takes satisfactory pictures when the picture is filling the computer screen. The pictures are shot with auto ISO and full daylight. But when I look at the ...
2
votes
1answer
76 views

What is the difference between the 18-55mm Nikon kit lens and the Nikon Nikkor Lens ‑ 35 mm ‑ F/1.8 ‑ Nikon F? [duplicate]

What advantages will a 35mm lens will give me if I already owe an 18-55mm. Isn't the 35mm somewhat included in the other one? It may be a silly question, but I am new in photography and trying to ...
5
votes
3answers
2k views

Do Nikon AF-S lenses perform better than AF lenses?

I am going to be getting a Nikon D7000 soon. I think I'm correct in assuming that the Nikon D7000 will use its own focus motor for an AF lens, but allow the lens to use its motor for an AF-S lens. I'...
11
votes
3answers
600 views

Different colors of light are disrupting my focus. What lens feature minimizes this?

I took this photo with a Canon 50mm compact macro lens & Canon "life size converter", and it looked somewhat fuzzy. After separating out the RGB channels, it seems evident that the different ...
1
vote
2answers
107 views

Will a DX lens have severe vignetting on a 20x20mm?

I'm going to work with a camera, a Photron AX100, which has a non-standard 20.48x20.48 mm sensor, but has an f-mount bayonet for lenses. I was wondering if it would work with DX lenses without ...
2
votes
2answers
117 views

Circular polarizing filter - slim or regular? [duplicate]

I have a Canon EOS 550D. Right now I only have some standard lenses, and I'm looking to buy a Tokina AT-X 116 Pro DX II 11-16mm F/2.8. (I love landscape photography and photography in nature in ...
7
votes
4answers
1k views

Why is my large format lens so much smaller (in length) than my 35mm-format lens?

In general I have found that as the focal length of 35mm (or APS-C) lenses increases, the physical length of the lens increases as well. However, my large format lens is much thinner than other 35mm ...
13
votes
3answers
1k 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 ...
1
vote
7answers
213 views

Buying a Nikon DSLR Camera body only, is a 35mm and 55-200mm lens enough for most cases?

New to photography using DSLR. I am planning to buying an entry level Nikon DSLR (perhaps the D3300). I read around and decided to buy the body only, excluding the kit lens. I have decided to go ...
0
votes
0answers
24 views

Anyone knowledgable about lens kits for smartphones? In particular Nexus 6P? [duplicate]

I hope to find some help or info here. I am doing a photography course and I intend to buy a lens kit for my smartphone. I found some kits on the internet (Amazon), but I am lost when it comes to ...
8
votes
3answers
631 views

Is the lack of image stabilisation on lens a major drawback for photo shooting the moon?

I have found these lens Nikon AF 70-300mm f/4-5.6G in a very good price. I am planning to use them mainly to take pictures of the moon. I am aware that this lens does not have image stabilisation. Is ...
29
votes
10answers
70k views

Why does fungus form in lenses, and how to get rid of it?

Recently I was using an old Pentax 50mm f/2 that had a quite big green spot, and later I was informed that it was a fungus. A couple of questions raised from this: Why does fungus form inside the ...
3
votes
4answers
17k views

How do I fix a stuck zoom ring on Nikon 18-55mm AF-S?

I have a Nikon D3100. The zoom ring on the lens that came with the camera is stuck. The lens is a AF-S NIKKOR DX, 18-55mm. Is is broken, or just stuck and is there anything I can do "unstick" it. ...