Questions tagged [slr]

Single Lens Reflex: a type of camera which uses a mirror system to reflect light into an optical viewfinder.

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14 answers
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Why are SLR mechanisms still prevalent among high-end digital cameras?

I understand that back in the days when cameras captured images using photographic film instead of image sensors, the SLR design was a major innovation. It let you see through the viewfinder exactly ...
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57 votes
4 answers
8k views

Why aren't all viewfinders 100%?

We often see that a manufacturer's high-end (D)SLR models offer a "100% viewfinder," which shows the entire exposed frame, and allows precise composition with regard to objects near the edge of the ...
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30 votes
7 answers
9k views

Why is there "single" in the term DSLR (Digital Single Lens Reflex)?

I have been reading about lenses and I was curious to know why there is a term "single" in the abbreviation DSLR? As far as I have read, the modern DSLRs (for example, the Nikon 3200) come equipped ...
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21 votes
5 answers
3k views

What is mirror lockup and what is its primary function?

My SLR is equipped with the mirror lockup function. What does it do, and when would I employ such a feature?
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19 votes
3 answers
4k views

Why is a DSLR bigger than an SLR?

I was looking at this comparison when I realised the camera on the left had a 2.0 crop in a mirrorless body made in 2012 while the camera on the right was full frame, had a mirror and was made in 1972....
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18 votes
3 answers
2k views

What makes a camera an "SLR"?

My question, specifically: why is the Fujifilm HS 10 not an SLR?
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  • 395
17 votes
4 answers
26k views

What's the difference between a rangefinder and SLR?

I've seen rangefinder cameras around and idly wondered what the difference was between them and SLR cameras. Are there any advantages rangefinders offer that cannot be reproduced using an SLR?
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15 votes
3 answers
22k views

Is a Pentax K1000 relevant today, and how can I get the best use of it?

I wanted to know what is the relevance of a pentax K 1000, a 35mm SLR in the present date. The one I have is almost 20 years old and I want to how can I make the most of it with respect to the film ...
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14 votes
3 answers
9k views

How important is the viewfinder coverage percentage? (Figures like 95%; 100% for Canon 7D?)

I would like to know if the 100% viewfinder number mentioned in many cases to praise the Canon 7D and other similarly-priced SLRs is a really meaningful figure. How does it actually affect the ...
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14 votes
1 answer
2k views

What does the pentaprism/pentamirror do?

In an SLR, the light bouncing off the mirror goes through a pentamirror or pentaprism before being reflected to the viewfinder. However, it seems to me that it would be possible to project an image to ...
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14 votes
1 answer
3k views

Disadvantages of electronic viewfinders such as the ones used in Sony SLT cameras?

What are the disadvantages of electronic viewfinders? such as the ones used in Sony SLT cameras? What is the reason that major camera manufacturers are still using the classic viewfinders while using ...
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13 votes
7 answers
12k views

Will metering from a DSLR apply to a film SLR?

I still like to shoot with film (I use a Nikon F3) but I like the immediate feedback of digital. I'm thinking of buying a used DSLR to help me get the framing and lighting right when I shoot static ...
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13 votes
6 answers
26k views

What are the differences between a bridge camera and a DSLR?

What are the differences between a bridge camera and a DSLR?
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13 votes
3 answers
44k views

Can I change the lens of my film SLR even when a film is loaded?

I have a film SLR that is currently loaded with film. I was using a 28mm lens when I loaded the film but recently got a 50mm and I want to use that instead. Question is, can I change the lens without ...
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13 votes
4 answers
4k views

Is it true that film SLRs are obsolete unless you develop your own photos?

I have been told that most photo labs now use scanners and print your photos from these scanned images. I live in an area with only a few photo labs such as Wal-mart, Target, and the local Groceries, ...
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  • 3,720
12 votes
6 answers
8k views

Is it practical and worthwhile to fit old SLR lenses to mirrorless digital cameras?

I see that there seem to be a lot of lens adapters available on eBay to allow fitting old SLR lenses onto new digital cameras such as the micro 4/3 and the sony NEX cameras. Is it actually worth the ...
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10 votes
3 answers
3k views

How do SLR lenses connect to the body?

I recently bought my first SLR camera and lens for it and I have questions about how they interact. My lens attaches on, and I can use the focus on the lens itself, but if I use the auto-focus, does ...
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10 votes
2 answers
4k views

What is the dynamic range comparison between SLR, DSLR, and point & shoot?

I'm a little curious on how different is the dynamic range in each kind of camera. I know the DR of the human eyes is quit high. But, how different is the DR in SLR, DSLR and P&S cameras? Or is ...
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  • 3,141
10 votes
2 answers
691 views

Max aperture on zoom lenses - stepwise or linear?

When zooming with lenses without a fixed max aperture, the change in aperture* that the camera displays is stepwise, usually in steps of thirds. But, is the max aperture really the same all the way as ...
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  • 346
9 votes
6 answers
12k views

What is the difference between point-and-shoot and SLR cameras?

I have a very good (I assume) point and shoot high end camera with me. Model is Panasonic Fz35. I think it has very nice features and using the camera in manual mode is nice too. However, with all ...
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9 votes
4 answers
952 views

Why the need for SLR in digital cameras?

Excuse my ignorance but as far as I know, SLR was invented in order to get the photographer to see (through the viewfinder) exactly what image will fall on to the film. In digital cameras the image ...
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  • 201
9 votes
5 answers
12k views

How can I modify a webcam to use an SLR lens?

I want to place a webcam between 6m (20ft) and 12m (40ft) from my subject and have a capture width of 3m (10ft). If I understand the formula, with an estimated sensor width of 8.46mm (1/3"), I need a ...
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9 votes
3 answers
3k views

Is it worth investing in a used 35 mm Film camera?

I've a Canon 60D and I'm mainly interested in shooting landscapes. I feel very interested in buying a used canon EOS film camera (since my EF lenses are compatible). I would like to take pictures ...
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  • 3,608
9 votes
2 answers
2k views

Why must my Pentax ME Super be set to 125x when changing film?

In the instruction manual for the Pentax ME Super it says to set the shutter speed to 125x before unloading film and while reloading film. Is there a reason for this? I accidentally loaded film ...
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  • 203
8 votes
2 answers
31k views

How to tell if a film camera is actually making shots?

I just bought an old Mamiya 500tl and from what I can tell it works okay. I've taken few shots but when I open the back I cannot see anything on the film. Should I be able to see see the negative? Is ...
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  • 183
8 votes
3 answers
1k views

Using SLR Lenses on DSLR Cameras

I'm just starting out with DLSR photography - I recently purchased a Sony A230 with the kit lens (18mm - 55mm). I know that the lens mount is compatible with Minolta lenses. These lenses were ...
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  • 223
8 votes
3 answers
2k views

Why is the neck strap of an SLR attached to the top plate of the body?

Why is it that the neck strap of an SLR is attached to the top of the body? In my opinion it would be better if the neck strap would be attached to the bottom of the camera body. This would have the ...
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7 votes
3 answers
3k views

Would a Nikon FG 20 film SLR camera take pictures without batteries?

I have a Nikon FG 20, which I brought on a trip to take pictures. I used Fujifilm Fujicolor 200 film, and I've already used all 36 shots. Recently, I found out that my camera has a battery compartment....
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7 votes
2 answers
2k views

These SLR developed photos are bad. Is it mine or the photolab's fault?

I'm new to 35mm camera photography and have just started using a Canon Ae-1 program to shoot. Only problem is that my first batch of photos look awful. There's a few others that were included on the ...
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7 votes
3 answers
6k views

Why do cameras have mirror system?

I know the differences between a rangefinder and a SLR/DSLR but what is the real reason to put a mirror in front of a lens to reflect light into the viewfinder? It raises lens prooduction price when ...
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6 votes
2 answers
226 views

What's a good online tool for finding the right SLR?

I have a certain list of features I absolutely need, as well as a price range, and I want to plug this information into some sort of online tool that will filter through a comprehensive list of ...
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  • 243
6 votes
4 answers
2k views

What makes a good film camera?

I have recently become interested in film photography. For now I have borrowed a Canon EOS 500n from a friend, but I am thinking about purchasing a camera for myself soon. In digital photography I ...
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6 votes
3 answers
4k views

Can anyone review the Yashica 300 AutoFocus SLR?

I recently inherited a Yashica 300 Autofocus SLR. Because the camera was manufactured (1993) before we had online reviews of anything (cameras, books, TV's, etc.), I can't find any reviews on whether ...
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6 votes
2 answers
997 views

Minolta srt101 (SLR) trigger jam

I've done a lot of searching but haven't found much regarding film Advance lever/trigger errors. Symptoms: lever will advance once or twice, with the firing sound being a dull "krk", not the bright "K-...
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5 votes
6 answers
2k views

How do I choose between an SLR or an expensive P&S?

I am planning to buy a new camera and am all confused. I am an amateur photographer who likes to click good photographs. I try to make the most of my Nikon CoolPix camera and have some decent ...
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  • 247
5 votes
1 answer
443 views

Can you identify this M42-mount lens?

I found this lens in our attic, in a box. It is fully functional, all the iris and focus rings are turning smoothly, but it doesn't have the informations piece on its front. I tried so hard to find ...
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5 votes
1 answer
604 views

Aperture priority on Canon EOS 55 shows underexposured [duplicate]

I must be misunderstanding something here. I'm consistently reading an underexposure when I use aperture priority mode. So here I'm in manual mode, f2.5, 1/20s and the camera says the exposure is ...
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5 votes
2 answers
1k views

How do modern or recent film SLRs compare to vintage models?

Growing up in the digital age, I have never used a film camera. I have recently started considering adding a film SLR. $5k Leicas aside, are there any new film SLRs out now that are worth over an ...
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  • 377
4 votes
8 answers
1k views

Is it possible to combine compact camera portability with professional SLR quality?

I am not an expert in photography, so please don't be too harsh on me if I am making absurd statements. My question is: Is it really possible to combine compact camera portability with professional ...
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4 votes
5 answers
8k views

What does the ISO setting for mechanical 35mm film cameras actually do?

I am wondering if the ISO setting affects the aperture or does it just makes some shutter speeds unavailable to be used? Edit: I have a Konica Autoreflex T with a broken light meter.
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  • 191
4 votes
2 answers
8k views

How can I fix a broken SLR Mirror?

I have an Olympus OM-1 which I've been using as a backup camera for my film Canon Rebel. However, when the mirror trap became stuck "up" in the Olympus, I tried gingerly to pull the trap back down. It ...
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4 votes
3 answers
3k views

What's the actual process for making long exposures with an RB67 ProS and dual cable release?

I've just purchased a Mamiya RB67 ProS camera (fulfilling a long standing dream to own and use a medium format SLR). It came with a 90 mm f/3.8 Mamiya-Sekor C lens, and two 120 film backs, one for ...
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  • 5,814
4 votes
1 answer
2k views

How does a DSLR's mirror mechanism work?

I'm wondering how the mirror in a DSLR or SLR camera is flipped up (and back down again) when a photo is taken. Is this mirror typically actuated by a motor, magnet, spring and gravity, or something ...
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  • 95
4 votes
3 answers
258 views

Does an offset split-focus screen exist?

I shoot a Nikon F3 SLR with a split-focus screen, and I do a lot of portraits with very shallow depth of fields (e.g. 50mm f2.8 at 0.5m). When I shoot a portrait I focus on the eye first, then ...
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  • 315
4 votes
1 answer
682 views

Is there a difference in the image produced from a 50mm rangefinder or slr lens?

Particularly, I am interested in the performance on film for Canon leica thread mount (LTM) 50mm lenses versus their FL/FD SLR lenses, in aperture size 1.2/1.4/1.8. Their performance on full frame ...
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  • 693
3 votes
3 answers
2k views

How to clean the mirror on an SLR without damaging it?

I just bought my D70 from Sam's Club. It was a display model, and the display assembly does not allow the back of the camera to be opened. However, when I opened up the front and looked at the mirror ...
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3 votes
1 answer
2k views

DIY fix for stuck mirror?

I have a Canon DSLR camera. The mirror is stuck and I'm getting nothing but black frames when taking pictures because the mirror doesn't move. I was quoted a very high price to get it repaired. Can ...
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  • 31
3 votes
1 answer
172 views

where is the pin-hole point located in an SLR?

I dont think is in the curtains that open and close when you press the shutter. Is it inside the lense? Or is just seen in illustrations that show how a camera works? It has nothing to do with "...
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  • 1,121
3 votes
1 answer
254 views

When Peterson says 'fixed-lens digital cameras have greater DoF', is he assuming a smaller sensor? [duplicate]

I'm reading Understanding Exposure and ran across some discussion of apertures in fixed-lens digital cameras as compared to SLRs (page 54 in the 3rd edition). The author says that fixed-length digital ...
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  • 133
3 votes
0 answers
82 views

How did technicians individually hand-shim each Pentax/Konica 35mm slr lens mount?

I just received a Konica Autoreflex T and I found out that the lens mount is individually hand shimmed. How did the technicians determine if the lens mount is correctly parallel to the focal plane?
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  • 191