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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.

6
votes
5answers
284 views

Looking for an excellent telephoto lens that can also shoot bad photos at 30mm if need be [closed]

I'm going to be traveling to Cuba, and am looking for a good lens that I can keep on my camera without needing to change it. I was originally looking at the Tamron 18-400mm, but the images don't seem ...
2
votes
2answers
311 views

Is Tokina “Exchangeable” lens compatible with both Nikon & Canon DSLRs?

Can someone please explain if following Tokina "exchangeable" lens (Tokiana 14-20mm F2) would be compatible with my Nikon D500? If yes, will it perform as if it was a dedicated Nikon mount? Please ...
5
votes
3answers
228 views

Why would lens be much longer than its focal length?

I accidentally saw Nikon 17-35mm f/2.8 lens and noted that it is rather large for its focal length. Here's the first review of this lens search offered - looks like it's 107 millimeters long. Given ...
1
vote
2answers
367 views

Can I use a Canon FD lens with a T6/1300D?

I am currently using a Canon T6/1300D. Earlier today got the Canon FD 28mm f/2.8 in the mail and my adapter. However, whenever I try using the camera with this lens it says F00 and everything is out ...
3
votes
2answers
234 views

Security: What lens is needed to capture a person's face from 1,000ft away?

My family owns property that has MANY trespassers; the property is over 50acres, and on it is a huge abandoned rock-quarry. If I go there I have to kick people out more than 50% of the time and if I ...
2
votes
4answers
431 views

Will a 400mm lens on a Canon 7D help me get better detail of birds in flight than my Panasonic FZ1000?

I am using a Panasonic Lumix FZ1000 with a built in 25-400 lens for bird-in-flight photography. My pictures are coming out good with the FZ1000, I’m just not able to get the size and detail of far ...
-2
votes
1answer
194 views

How do these three 100-300mm lenses for Canon EF mount compare?

I’m trying to decide on a 100-300mm constant aperture lens to complement my current kit. I am considering the following options Canon 100-300 f5.6 L Tokina 100-300 f4 Sigma 100-300 f4 Which of these ...
2
votes
1answer
215 views

Right ND for filter size for Nikon 24-85 mm lens [duplicate]

I have a Nikon lens NIKON AF-S 24-85 F/3.5-4.5G ED VR. And I'd like to get an ND.10 filter. What's the right filter size for that lens? And what brand would you suggest
1
vote
2answers
358 views

Is the Nikon 18-55mm f/3.5-5.6G AF-P DX lens compatible with the D7100?

I have a Nikon D7100. Is the Nikon 18-55mm f/3.5-5.6G AF-P DX lens compatible with this body? Are there images made with this lens & body combination available?
1
vote
1answer
363 views

Can I mount a Nikon 50 mm f1.8 series E pancake lens on an Nikon D7000?

Hello I have a Nikon D7000. I would like to know if I can mount a Nikon 50mm f/1.8 Series E old manual lens on this body? Will the meter system work with it? I also have a Vivitar Series One 70mm-...
0
votes
2answers
173 views

Photography from geostationary orbit

Satellites are at 38000 km from earth. What practical lens will allow me to resolve 1 km (5.43 arc-sec) and the earth subtends roughly 20 degrees at the camera.
7
votes
3answers
2k views

Is having only a 35mm lens on APS-C sufficient for travel shooting in NYC/Washington DC? [closed]

I am taking a trip to New York city next week. I would be visiting the usual tourist places - Statue of Liberty, Top of the Rock, One World Observatory, Brooklyn Bridge etc. I am also planning to take ...
1
vote
4answers
205 views

How many steps to walk forward to get equal range to 200mm with 70mm lens?

I'm newbie in the world of lenses ... I have 24-70mm 2.8. I never got a chance to use 70-200mm. One friend told me that you just have to walk two or three steps forward to get 200mm equal range with ...
2
votes
2answers
725 views

What should I expect from Canon EF 24-70mm f/2.8L II USM?

What should I expect from Canon EF 24-70mm f/2.8L II USM? Hey guys, I'm a noobie around here so I hope I don't annoy too many of you with this question. At the moment I have a Canon EOS 80D and ...
-5
votes
4answers
894 views

24-200MM lens for Nikon D850?

I am looking for any one (single) lens that can cover the 24-200MM range for my Nikon D850. Constant aperture is not needed, however it would be nice to have. Vibration reduction would also be a nice-...
2
votes
1answer
167 views

Telephoto lens will autofocus but not shoot

I have a Nikon D3400 with two stock lenses. My Nikkor 18-55 mm lens performs well. My 70-300 mm lens, on the other hand, developed an issue in the last month. The autofocus of the lens works well, but ...
3
votes
1answer
287 views

Can anyone help identifying this (close-up or what) lens?

T-mount on one side and something strange (similar to Arri PL? on the other)?
1
vote
1answer
103 views

Proper lens for filming walking mouse in 33 inch-long cat walk [closed]

For biomedical research, I need to video a mouse walking through a 33 inch catwalk with a high speed camera (Basler acA1300-200um, USB 3.0, sensor size 6.1 mm x 4.9 mm). Because I will later analyse ...
0
votes
1answer
103 views

What are better lenses for portrait photography (1.8D or 1.8G) for Nikon D750? [duplicate]

I am planning to start home-based wedding photography business and the compiling a list of gear to purchase.I have planned to purchase D750 as my primary body but I can't seem to decide on which lens ...
5
votes
4answers
275 views

A thin camera and a thin lens with a large glass element

After seeing these 3D designs, I was wondering if a camera that is thin could possibly have such a large piece of glass in the lens (given the lens piece doesn't expand when powered on). As far as I ...
2
votes
3answers
2k views

What zoom 70-300mm lens should I get for my Nikon D3300? [duplicate]

I'm a total beginner when it comes to photography. I have a Nikon D3300, and want to branch out to a zoom lens. I did a little research and found a lens I wanted, the 70-300mm f/4-5.6G. I found one on ...
3
votes
2answers
611 views

Use a fisheye lens on APS-C camera as ultra wide angle

Is it a good idea to use a full frame fisheye lens, like a Canon EF L 8-15 f/4 USM Fisheye (or any other similar) as ultra wide angle lens on an APS-C camera? In my understanding, the APS-C will just ...
2
votes
3answers
299 views

How to measure distance of exit pupil to sensor plane

Is there an experimental way to determine the distance of the sensor plane to the exit pupil? (acuracy a few milimeters with distances between 10-70 mm) Why I want this In my lab I am working with a ...
1
vote
2answers
2k views

70-300 AF-S Lens Won't Autofocus on one of my D7100's

I recently purchased a used Nikkor 70-300 AF-S VR lens used from B&H that is in "Excellent" condition. I have 2 Nikon D7100 bodies that I shoot with and both autofocus just fine with all of my ...
0
votes
1answer
131 views

Should i buy a lens or a new camera? [duplicate]

I have a sony dslr camera thats about 10 years old, it doesn't take as good quality photos as newer cameras. I want to know if i should buy a lens or a new camera. What affects the quality more?
2
votes
1answer
90 views

Do analog to digital lens adapters exist (to pass EXIF data to a camera)?

What I'm envisioning is a lens adapter that could be used for multiple (film-era) lenses on a modern digital camera, but would allow you to enter your custom lens info into the adapter so that, when ...
6
votes
2answers
525 views

Are there cons of buying medium-format lens for 35mm film SLR?

Right now I have Pentax ME Super SLR camera and I want to buy some telephoto lens. Additionally, I plan to buy medium-format camera in some (near) future. In consequence I wonder: Is it reasonable to ...
14
votes
3answers
246 views

Japanese camera and lens naming conventions

I've noticed a naming convention which seems to come up on a number of different makes of camera and lens, and I'm curious whether this is related to the Japanese language, or just something which has ...
1
vote
2answers
1k views

Tamron lens focusing problems?

I own a Tamron 18-270mm F/3,5-6,3 Di II VC PZD lens - a fabulous lens, but since I got it (around Christmas time), the autofocus has been playing up; see below image. EXIF is as follows: 270mm, ...
5
votes
1answer
121 views

Does the difference in the color of the Schneider-Kreuznach logo on these large-format lenses indicate any other differences?

What is the difference between the two lenses pictured below? They are both same brand, same focal length, etc.... The only thing is the color of the Schneider font on them is different. Is one of ...
8
votes
4answers
413 views

How can I seal the sticky rubber on an aging Sigma lens?

I have been gifted an old Sigma lens from around the early 90s, but as is common with the soft-touch rubberised coating on lenses of this age, the material has started to degrade and has become sticky....
0
votes
2answers
540 views

What camera fits this a Osawa MC 1:4.5 f=80~205mm lens?

I found a lens and I was wondering what camera fits it? Does it fit a canon 1300? & also how can I tell if it works or not? (If that’s possible) (As I found it on the ground). I don’t have a ...
5
votes
1answer
185 views

What can I do if the “straight keys” in my Nikon lens are bent?

I have a Nikon DX SWM ED 18-55mm Autofocus lens that broke down. It got stuck and I decided to take the lens apart. It turned out that the flare cutter had come out somehow. Now the problem is with ...
0
votes
1answer
884 views

Canon EOS M not recording

My canon EOS M doesn't want to record or take any pictures. I press the record button and nothing happens. Also, when I go to adjust the aperture it says I can't because it says "no lens attatched. Is ...
3
votes
4answers
494 views

What kind of lens to photograph a 1 mm object?

I want to photograph an one mm (or slightly less) object. I have a Canon EOS 80D. What lens should I use, or is there any other way to accomplish this?
2
votes
1answer
519 views

Will 50mm f1.4 and 85mm f1.8 lenses produce the same bokeh, given the same framing?

I have recently upgraded from a DX Body (Nikon D3300) to a FX body (Nikon D750) and also I have Sigma 70-200mm f2.8 & Sigma 150-600mm Sport lenses. While I was using the DX body, I had a Nikon ...
3
votes
1answer
355 views

Why is my camera overexposing with a new lens?

The aperture is set to f/4.0 and ISO 100 in automatic mode. I'm new to more advanced photography so please be patient! I just purchased a new lens - the h-fsa45200 (Panasonic Lumix G Vario 45-200mm) ...
1
vote
2answers
416 views

Canon 80D or Nikon D7500 for travel photography [closed]

I have a trip coming up, which will involve me shooting landscapes and portraits, so I'd bring a superzoom and a portrait lens) I have a Canon 80D (with a Sigma 18-250mm and a 50mm f1.8) and a Nikon ...
3
votes
3answers
1k views

Dating a Canon lens without date codes - just an eight digit serial number. Is it doable?

I'm currently trying to sell my Canon EF-S 17-55 f/2.8 IS USM and thought in the advert I would try date it. On the underside of the barrel there is an eight digit serial number. On the lens mount ...
5
votes
2answers
1k views

Buying a lens with light haze?

I’m trying to build a full-frame DSLR kit on the cheap by buying used. When looking at old lenses on eBay (for example, the Canon 100-300 L), they are often described as having a low amount of haze. ...
2
votes
1answer
62 views

Depth of field and aperture size [duplicate]

Why does a smaller aperture size have a high depth of field? What is the physics behind this?
5
votes
1answer
192 views

Is there an easy way to tell the size of an image circle a lens has?

I know that lens can come in many formats, e.g. crops vs. full frame. However, someone recently told me that the Zeiss Otus has an image circle that is larger than the intended format. This is one ...
-5
votes
2answers
275 views

Which lenses are used in SLR and TLR? [closed]

Which type of lens are used in Twin Lens Reflex (TLR) and SLR cameras? TLR cameras uses two lenses, one for the viewfinder and one to expose the film; but in SLR only one lens is used for the ...
2
votes
0answers
27 views

Can these lens be used on a Nikon D300? [duplicate]

I have these old lens, that I mounted on a Nikon F601m, now broken: Nikon AF Nikkor 50mm 1:1.8 Nikon AF Nikkor 28mm 1:2.8 Sigma UC Zoom 70-210mm 1:4-5.6 Now I am thinking of buying a used Nikon D300,...
2
votes
2answers
491 views

Recommendation on Canon 18-55mm IS STM / III

Recently I've decided to buy a new DSLR body (Canon 200D), and now I have to decide what lens to pair this with. For €18 on top of the body-only price I can get a Canon 18-55mm III lens, and for €94 I ...
1
vote
1answer
2k views

Difference between 14-42mm ii r and 14-42mm Objective lens?

I've decided to buy an Olympus OM D M10 mkii as my first serious camera, however I now have to decide which lens to get which it. The cheapest option is with the 14-42mm ii r, which is 20 euros less ...
0
votes
1answer
50 views

Brightly lit enviroment

Which lenses should be used on small format DSLR camera with full size 35mm sensor to photograph a bride at 10am in a brightly lit enviroment
-1
votes
1answer
59 views

Camera for Couple and Event Photography [closed]

I have Nikon D5300 camera with two lenses ( 18-55mm f/3.5-5.6G & 55-200mm f/4-5.6G), please let me know if my camera and lenses work for Couple and Event Photography? if not , what Camera and ...
1
vote
3answers
668 views

Tokina 100mm Macro f2.8 D wont autofocus on a Nikon D7500

I just got this camera recently with the lens aformentioned, however upon usage, I wasn't able to autofocus anymore. Any fix?
1
vote
2answers
2k views

Where is the serial number on a Tamron SP 150-600mm F/5-6.3 Di VC USD G2 (A022)?

On the first-gen (A011) model it was stamped faintly in the black plastic near the manufacturer location. I don't see it anywhere on the G2. I did receive a 1/8 sheet printout with the serial number ...