There are many kinds of fixed-focus lenses: portrait, macro, landscape and so on.
Advantages: good picture quality and good effect.
Disadvantages are: you can't zoom, composition and zooming are more troublesome, and you have to rely on it; Not suitable for shooting dynamic pictures, but suitable for shooting static pictures.
What beginners use depends on what you want to shoot and your budget.
If you like to take portraits of macro landscapes, you can use a fixed-focus lens. The picture quality is good and the composition will be great, but you have to buy different heads for different functions, which is slightly more expensive.
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Small spittoon is Canon's cheapest head display, less than 700 yuan. Gauss lens is used to design 6 optical structures with 5 groups, which provides the maximum aperture of f/1.8 and weighs only 130g. Its large aperture of 1.8 can provide faster shutter speed for shooting in low light environment to ensure the success rate of film production.
Purpose of lens: standard fixed focus
Bayonet type: Canon EF bayonet
Focal length: 50 mm
Filter aperture: 52mm
Maximum aperture: F 1.8
This picture is not a spittoon. This picture is 50mm 1.2.
Minimum aperture: F22
Focus mode: Auto
Lens structure: 5 groups of 6 lenses.
APS focal length: 80 mm
Nearest focal length: 0.45m.
In order to improve the focusing performance of the first generation, Canon later produced EF 50mm F/ 1.8 II.
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Haozhao Sheet/Function/Top Angle Well Head
Question 2: What is the 50mm standard lens of SLR mainly used for shooting? Well ... well, I'll introduce you to some basic knowledge, and I hope you can find the answer from it ~
Let's talk about the focal length of the lens first ~
The smaller the focal length, the larger the shooting range (wide-angle lens) ~ the larger the focal length, the smaller the shooting range (telephoto lens)!
As shown in the figure:
Then it's time to discuss portraits ~
Why are some shots more suitable for taking portraits? The reason is in the following picture:
This is a screenshot of a photo taken by the same person at the same distance and different focal lengths. Look carefully at her nose ~ ~ ~ Is it big or small?
Yes, your eyesight is very good!
The reason is lens distortion! The smaller the focal length, the more serious the distortion, and the larger the focal length, the smaller the distortion!
[This is a wide angle and the distortion is very serious]
[This is the lady just now, and the focal length of the lens is 135 (medium telephoto)]
So, that's why people call a lens with a focal length of 85- 135 a portrait head! (So it is necessary to take * * * photos. )
Does this mean that you can't take a portrait with a lens before 85mm?
Of course not ~
There are two situations: one is when the wide-angle effect is needed, and the other is away from the lens (which can reduce the influence caused by distortion)
Finally, let's talk about your machine with lens ~
Pentax KX belongs to APS-C camera, and the lens focal length needs to be multiplied by the conversion coefficient of 1.5 to be the actual focal length ~
Your 70-2 10 lens shooting is quite suitable! But without a wide angle, it is not enough to shoot architecture and travel ~ I suggest adding a wide angle ~
50mm fixed focus, excellent imaging effect! Big aperture, buy it ~ it's good for enhancing technology ~
The sharpness of a 50mm head is the closest to the human visual angle ~ perhaps it is the reason why it was changed to 75mm in the post-APS-C era, so it is closer to the focal length of a portrait lens, so many people call it "portrait head" a bit far-fetched ~
In addition, there is no limit to the focal length of the scenery, and any lens with focal length can shoot the scenery ~ ~ What kind of scenery can be shot with what lens, which has nothing to do with the best focal length of the portrait ~ If I insist that it is suitable for shooting the scenery, I think it is quite suitable! Especially when shooting night scenes at night, how beautiful it is to turn the highlights of street lamps into circles with large apertures!
Beginners, it is most important to master those apertures, shutters, light and exposure first ~ because this is the basis of all shooting.
Special thanks to the pictures uploaded by unknown authors on the Internet! And the illustrations in the photography textbook!
Question 3: What is a small spittoon lens suitable for shooting? This is a portrait shot, and you can also shoot still life, such as Taobao selling things. But the scenery is not good and the wide angle is not enough.
Question 4: What kind of small spittoon lens is suitable for shooting? The shooting skill of small spittoon should be multiplied by 1.6 times than that of Quan Huafu, and the focal length is 80mm, which is suitable for portraits, and that of Quan Huafu is 50mm. From the point of view of human eyes, it is used to shoot still life and portraits.
Question 5: What effect can the small spittoon lens take? This is a portrait shot, and you can also shoot still life, such as Taobao selling things. But the scenery is not good and the wide angle is not enough.
Question 6: What night scenes and portraits are suitable for small spittoons ~ ~ The large aperture ensures the success rate of shooting night scenes and the blurred background when shooting portraits ~ ~ ~
PS: Humanistic sketch can also be used as a weapon to make cost-effective candy tablets.
If you have any questions, please ask.
Question 7: How to use the small spittoon is Canon 50 1.8.
The focal length can't be adjusted, just 50 focal lengths, which are fixed, so it's called a fixed focal head.
The maximum aperture is 1.8, but it is better to shoot two apertures, but 1.8 is also acceptable.
Generally, when playing with blurred background, the large aperture near 1.8 is used to highlight the theme and blur the surrounding chaos, which can make amateurs clearly feel their professional achievements, that is, the large aperture is used to blur the background and is used more when shooting portraits.
The set uses a small aperture.
Usually, you just need to use autofocus.
Auto focus can't be used when shooting some special objects, so consider manual focus.
"Fixed focus has no weak travel", the picture quality is good, and using fixed focus will be addictive.
"Fixed focus composition basically depends on walking". The focal length can't be changed, so you need to walk back and forth to complete the composition, so this is a head for practicing photographic composition.
As for the 70D, Canon's mid-range SLR is just a new product, which is very good. Have fun. If this is your first contact with SLR, I suggest you buy a book to read. A thick big book. It's best to write a book for the 70D machine, it's best.
It is recommended to start with aperture priority mode AV mode, which can be used in most scenes. If you don't use it many times, it will be a P file, but in the learning process, it is best to use AV mode. If AV is proficient, TV mode will naturally. AV is used professionally. When you find that some lights are invalid, you will naturally use M-range full manual mode.
Japan's SLR is very real, and it won't break down in normal use.
Pay attention to moisture protection when placing normally. Lenses are afraid of moisture and will get moldy. You can put some desiccant around the machine, that is, a small bag containing food.
Question 8: Does Canon have any useful lenses? I want to take pictures with a small spittoon, mainly for the scenery, but some people say that this picture quality is not good or something, and it is not suitable for the scenery! Canon has many good lenses, but the higher the quality of the lenses, the higher the price. It is not impossible to shoot the scenery with a small spittoon, but because of the focal length, the viewing angle is smaller than that of a wide-angle lens. As the saying goes, sugar cane is not as sweet as both ends. Since it is cheap, the small spittoon is the cheapest, so it is no problem to practice your hands.
Satisfied with my answer, please adopt it in time. Wish you a happy Spring Festival!
Question 9: I have a fixed-focus lens myself, such as shooting a Canon spittoon.
1 and 50 mm represent the actual focal length of the lens. On the Quan Huafu machine, the focal length of the equivalent 35 mm film is 50 mm, while on the half-frame machine, it is 80 mm.. F 1.8 means that the maximum aperture of this lens is F 1.8.
2. No, you can get a good blur effect by opening the aperture closer to the subject.
3. Yes, because the farthest focal length of the lens is infinite. But recently it was only 45 centimeters.
4, the studio will not use such a low-end lens as a small spittoon. Because besides 50 1.8 canon, there are also 50 1.4 and 50 1.2. For photo studio, it is best to use 50 1.2 lens. For the red circle, the lens price is about 100 1000 yuan.
Question 10: You can't take a macro shot with a Canon spittoon. Unless you add a close-up, the spittoon is not a macro head. As for the picture you gave, it is obviously a screenshot of 100% magnification. It is this man who shows you that his hands are steady, accurate and not macroscopic at all.