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Questions tagged [lens]

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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As a beginner, how do I figure out which lens to get next?

I have a Canon R50 camera and am looking for a more versatile lens. I am looking at RF 24-104 STM 4 - 7.1 or with an adapter the EFS 18-135 3.5 5.6 USM Also looking at a 18-250mm F3.5-6.3 DC MACRO I'...
Jonathon Isola's user avatar
3 votes
1 answer
81 views

Shooting on B&W infrared film with Canon L glasses

Canon EOS-1V manual says about shooting on B*W IR film: Use a lens which provides IR index. With L-series lenses which do not have an infrared index, there is no need to compensate for infrared film. ...
Alexey Malev's user avatar
1 vote
3 answers
52 views

What is the difference between working focus distance and infinity focus in Camera Lens (specially machine vision camera)

I am new to camera lenses and am trying to understand their details. I have learned concepts like aperture, focal length, FOV, IRIS, and different mounts (C, CS type, etc.). I have a question ...
Aravind D. Chakravarti's user avatar
3 votes
4 answers
935 views

How do I tell which kit lens option is more all-purpose? [duplicate]

I have been shooting photos for a long time with a smartphone, and now I want to "gear up" to improve my skills. I mostly shoot landscapes but I'd also like to learn to do some portraits. ...
Ouroboros's user avatar
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2 votes
3 answers
93 views

What specs should I look at when shopping for a lens to take talking-head-at-a-desk and closeup shots?

I want to purchase a lens for my Nikon D750 that can zoom in and out, and will be good for taking selfies/vlogging at a desk. It would also be nice if this lens could also be used to shoot words on a ...
Needs Help's user avatar
1 vote
3 answers
86 views

Thin lens focal length vs perspective

Thin lens and perspective It's well regarded focal length of a camera lens does not affect perspective. While by using the thin lens equation $$\frac{1}{s}+\frac{1}{i}=\frac{1}{f}$$ we can compute the ...
cosaty's user avatar
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0 votes
3 answers
95 views

Dirt is on the sensor or in the lens

Hi i'm new in dslr cameras. I have this canon and when i take pictures of the sky this happens. I already clean the sensor and also the lens (i open it to clean from inside), but still have this fuzz ...
gm8's user avatar
  • 1
0 votes
2 answers
115 views

40mm f/2.8 or 50mm f/1.8 on APS-C for versatile shooting?

I'd like to get a new lens, but I'm not sure weather to choose a focal length of 40 mm or 50 mm (mounted on APS-C) : the EF 40 mm f/2.8 or the EF 50 mm f/1.8 from Canon I'm not specialized in ...
koezol's user avatar
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0 votes
2 answers
130 views

Should I upgrade my lens or am I just looking at photos on a pixel level?

I'm new to photography. I've had Nikon D3300 paired with Nikkor 18-70mm f/3.5-4.5 lens for half a year (shot ~2k photos) now and it's been my first ever contact with a DSLR. The reason why I want to ...
Danilo Jonić's user avatar
2 votes
1 answer
655 views

How to disassemble this part of the lens?

This is a Nikkor 1.8 50mm Which seems to have fungus inside the glass. How do you disassemble this part to clean from the inside?
Tiago Cardoso's user avatar
1 vote
2 answers
52 views

Mounting Canon focus by wire lens (EF 50mm f1.8 STM) to EOS 300

I recently got a Canon EOS 300 (the film version, not digital) and would like to buy a faster lens in addition to the kit lens which I received with it. I see that the 50mm f1.8 STM is still in ...
Hellstorm's user avatar
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1 vote
3 answers
117 views

I have a Canon EOS 50D, and my lens (EFS 18-200 mm) just broke. What should I replace?

I'm not sure how much the body of a camera impacts the quality of a photo. I'm not new to photography but I am very new to photography gear. Replacing the lens is about 150 on ebay. Is it worth it to ...
Vikram Balaji's user avatar
2 votes
1 answer
55 views

Nikon Lens dropping focus

I use my camera for sports photography and midway through an event on Sunday my Nikon Nikkor AF-P 70-300mm VR ED lens stopped focusing correctly. It have not dropped or hit it the lens just stopped ...
GhastlyCode's user avatar
0 votes
0 answers
36 views

Tamaron 150-500 A011 lens auto focus issue

I bought the Tamaron 150-600 A011 lens 7 years ago. As I was focused on my work, the lens was being used rarely. I was having VR issues which are not yet resolved due to motor problems. I also found ...
Rahul's user avatar
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1 vote
1 answer
61 views

How can I clean fungus in my lens, and/or prevent fungus from spreading in the lens?

I just recently saw my lens having fungus on lower front glass. It doesn't affect the output but I'm just going to ask that since that there is a fungus present in the lens now, will it become worse ...
Anon's user avatar
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0 votes
1 answer
49 views

Calculating FOV for mismatched lens/sensor size

I have this 50mm lens that gives the FOV for a 2/3" sensor in its spec sheet: Diagonal: 12.6° Horizontal: 10.1° Vertical: 7.6° I have this camera, which, according to its spec sheet, has a 1/2....
Jason C's user avatar
  • 587
0 votes
4 answers
81 views

Brightness of a full frame lens mounted on aps-c vs mounting an identical native aps-c lens [duplicate]

I am a bit confused about the effect of using a full-frame lens on a aps-c camera on the brightness of the resulting image. Lets say we have two lenses: A full frame 50mm f2 lens An aps-c 50mm f2 ...
Leander Moesinger's user avatar
1 vote
1 answer
118 views

Is this Normal?, Nikon 24mm pc-e shift knob wobble

I hope somebody can help me. I have just bought a Nikon 24mm pc-e lens that was delivered to me. It was packaged badly leaving two sides of the lens with just a single piece of cardboard for ...
Andy's user avatar
  • 11
3 votes
5 answers
278 views

Why does viewing the sun through a telescope burn your eyes?

First a disclaimer: I KNOW that viewing the sun through a telescope will burn my eyes, so no need to convince me of that. I'm not going to try it. This question is about the optics and physics of why ...
Ben Hershey's user avatar
0 votes
1 answer
60 views

What to look for when renting a lens for the solar eclispe

I'm doing research on renting a lens for my camera, it's a Canon Rebel T4i for the solar eclipse. What do I look for to see if a lens can be mounted to my camera. I'm thinking of getting a Canon 100-...
Gregory Schultz's user avatar
1 vote
1 answer
45 views

Tiffen telephoto converter 1.5x37mm

I have a Tiffen telephoto converter 1.5x37mm is it any good and what is it used for? Thanks
RLMc's user avatar
  • 11
0 votes
0 answers
72 views

Can anyone help identify the lens mount on this Vivitar 85 - 205 lens?

Trying to identify my copy of this classic lens. A similar question has been asked here previously, but my lens appears to be slightly different to that one. It's a Vivitar 85 - 205 Auto Tele-zoom, ...
Gareth Stack's user avatar
0 votes
0 answers
112 views

Can I fix or troubleshoot my 14–42 mm lens that isn't working with Olympus OM-D E-M10 Mark II?

I have an Olympus OM-D E-M10 Mark II camera with two lenses: 14–42 mm and 40–150 mm. When photographing the rain, suddenly the 14–42 mm lens stopped working giving the following error: "Check the ...
Miguel Garcia's user avatar
1 vote
1 answer
57 views

Dropped PowerShot SX70 HS with lens full extended, now bent

Is this camera finished? the lens is fully extended, bent, and won't retract. Camera tries, makes a horrible clicking sound, and then shuts down. And I cannot move the lens back into position.
Sherry Gray's user avatar
1 vote
1 answer
94 views

What should I consider when choosing a lens for beauty/makeup photos and videos?

I own a Canon M50 Mark II and I’m looking for a lens to record makeup videos and shoot beauty photography. What lens specs should I be considering to make sure a lens is well-suited for this?
Melissa's user avatar
  • 11
1 vote
2 answers
88 views

Building an imaging array with multiple sensors?

If I purchased two image sensors that had a resolution of 80x62 with 45 degree field of view, would there be an easy way to concentrate two sensors into a resolution of 2x(80x62) with a 45 degree ...
Evan Carroll's user avatar
1 vote
1 answer
158 views

Is there a free alternative to Photoshop's Adaptive Wide Angle filter?

Adobe Photoshop provides an Adaptive Wide Angle filter to to correct lens distortions. I really like the intuitive user interface which allows me to just draw a line to fix issues. Is there any free ...
Jonas's user avatar
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1 vote
1 answer
95 views

How can I tell what gear is appropriate to shoot architecture and street while travelling? [closed]

I'm a beginner photographer and I'm going to Japan soon. I have a Canon Rebel T8i and the 18-55mm lens that came with it. I want to take pictures of the architecture and some street photography too. I'...
nate's user avatar
  • 11
0 votes
2 answers
63 views

Nikon D5300 mounting issues with 35mm

I just bought a (used) Nikon AF-S DX 35mm F1.8 G for my D5300 and I can't make it to work properly. My 18-55mm works fine and I've never had any issue attaching it to the camera, but when I got this ...
icaroloop's user avatar
1 vote
1 answer
151 views

Is 35mm 1.8 lens suitable for Product, interior photography?

I'm still a beginner, is 35mm lens is suitable for product photography, mostly e-commerce products and hotel room pictures.
abhay's user avatar
  • 11
1 vote
2 answers
90 views

Lens out of focus? - Digicam Panasonic Lumix DMC-FH20

Recently, the pictures on my digicam have been coming out like this (img 1) — out of focus, and with a black corner on the right. The black corner would disappear if I tilt the camera to the left (img ...
Billy Smith's user avatar
1 vote
3 answers
640 views

Struggling to find DX-fit telephoto lenses. Advice?

Looking at wildlife photography, the general beginner recommendation seems to be a cropped sensor with a 400mm lens. But, then I found out (I think this is right?) that you can't interchange lenses ...
Anon's user avatar
  • 11
2 votes
9 answers
3k views

Is a 400mm enough for long-distance wildlife photography?

Transferring from a bridge camera, I've really struggled to find any info for what you actually need for a wildlife photography. From what little I've gathered, most seem to recommend a cropped-sensor ...
user114142's user avatar
2 votes
1 answer
63 views

Help with Vivitar Universal 500MM Preset Lens and a Nikon d5300

Hi I have a Vivitar Universal 500MM Preset Lens with a Nikon d5300 body. I bought the adaptor after reading that the lens will be compatible with my camera if i use manual mode. However, when i try it ...
Andrea's user avatar
  • 21
3 votes
1 answer
213 views

Can lenses be damaged if stored too dry

I just set up a simple DIY dry box (air-tight box + silica gel) to store my lenses in. The silica did a good job and quickly reduced the humidity inside the box to ~10%. From what I read, recommended ...
luator's user avatar
  • 319
0 votes
0 answers
59 views

Is it physically possible to mount a manual EF-M or RF lens onto a Canon EF mount DSLR without an adapter? [duplicate]

I don't care about the electronic communication between the lens and camera. I have a Canon Rebel T7i, and planning to to buy 7artisans 35mm f/0.95 but this is only available in EF-M mount or RF mount....
Rishi Priyansh's user avatar
0 votes
1 answer
88 views

What is the value of EF 50mm f1.8 STM? [closed]

Given that virtually all people say it's a great value with respect to the market price, then what is the actual value of Canon EF 50mm f1.8 STM? People say the brand new price is cheap, a bargain. If ...
Redsbefall's user avatar
3 votes
3 answers
493 views

Rokinon 135 mm lens behaving strangely with Nikon D5000

I recently brought a Rokinon 135 mm f/2 lens for my Nikon D5000 from Amazon. This lens is designed for Nikon cameras and the way it's supposed to work is when you mount it, you have to set the ...
10 Rep's user avatar
  • 191
0 votes
1 answer
121 views

Does an Canon Ef S lens goes on a Aps C sony body? [duplicate]

I have few EF-S lens from my Canon 450D. And I'm planing to buy a Sony with Aps c frame. Is it compatible?
lo st's user avatar
  • 1
0 votes
1 answer
69 views

What adapter do I need to fit a Vivitar lens to a Canon 4000D? [duplicate]

I’m looking for an adapter that will fit a Vivitar F/8.0 multi coated telephoto lens to my Canon EOS 4000D.
Pedro Leal's user avatar
3 votes
4 answers
171 views

Does a mirrorless camera need a shorter focal length for the same FoV as an SLR?

Let's say we have a 50mm lens on a full-frame reflex camera. As mirrorless cameras have a smaller distance to the sensor, does it mean we need a shorter focal length for the same sensor size to have ...
Rafael's user avatar
  • 25k
11 votes
2 answers
836 views

How can I make a focus ring More stiff?

I have a manual focusing samyang fisheye lens with one problem.... The focus ring is feather touch and even the aperture ring getings knocked easily. I want it to be less smooth so it's locked on to ...
deek's user avatar
  • 297
2 votes
3 answers
107 views

Basic Lens Advice For Machine Vision Camera

I'm working on an application that requires taking photos with a machine vision camera in outdoor areas with a wide range of lighting conditions. I have been taking some sample photos and no matter ...
CameraTuner2020's user avatar
0 votes
0 answers
106 views

OV7955 image sensor display green/purple tint

I have a Omnivision OV7955 color CMOS analog NTSC image sensor. When I connect to the monitor, monitors display green/purple tint. I thought monitors has a problem, but I tried other cameras but ...
IK35's user avatar
  • 1
0 votes
0 answers
51 views

Seeking Expert Advice for Banff Trip: Upgrade Dilemma - New

I'm gearing up for a trip to Banff, Alberta, next year. Planning to go for a week and see both Banff and Jasper. I need some expert advice on lenses. Currently, I'm using a Canon RP with a RF 15-35mm ...
Prabhjot 's user avatar
1 vote
2 answers
151 views

Optical Vignetting

I was reading Edmund Optics application notes on relative illumination, which talks about what it is, its affects, its drawbacks, positive aspects and so on. However, out of all the types of ...
vannira's user avatar
  • 343
1 vote
6 answers
303 views

How can I tell if a lens is good quality?

I was wondering is there a way to know if a lens will be good quality? I've recently discovered that the camera body isn't absolutely everything when it comes to image quality, but that the lenses ...
Marcus's user avatar
  • 117
0 votes
2 answers
113 views

Which of these lenses to choose for a studio project?

I'm preparing for my first professional studio photography project and am seeking advice on the best lens to use for portraits, including full-body shots and headshots. I have a Canon EOS RP with an ...
adamasan's user avatar
  • 287
1 vote
3 answers
207 views

What causes lens flare from stadium floodlights in my pictures?

When photographing a bright light source (stadium floodlights) a lens flare effect presents itself in the image (shot on an iPhone 13 pro). What causes this effect and how can I accomodate with the ...
Rasmus Bech-Hohenberger's user avatar
-1 votes
3 answers
363 views

Canon 50mm f1.8 VS EF-M 15-45 mm

How much of a difference in IQ of the nifty-fifty against the EOS M 15-45mm kit lens? I personally have found the kit lens sharp and image looks a bit modern (or not? compared to EF 100-300mm I owned)....
Redsbefall's user avatar

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