The macro lens is a special lens used for macro photography. It is mainly used for shooting very fine objects such as flowers and insects within a few centimeters to several tens of centimeters. It is also a unique artifact for watches and jewelry. However, a good macro lens is a few K, even if it is my hundred micro-painter also has 3K knife, as the lens is not too high, civilians like me, if you buy a keyboard will smash durian, then durianè·ª chain, so cycled N times.
Canon EF 100mm f/2.8L IS USM macro lens 5499 yuan Canon original macro head preferred Jingdong direct link View Encyclopedia 
Pentax DFA Macro 100mm F2.8 WR lens 100 micro waterproof macro lens for Pentax K1 camera 3099 yuan Jingdong direct link 
Macro lens In order to focus on a very close subject, a macro lens is usually designed to be stretched longer to keep the optical center as far away from the sensor as possible. Using this principle, the effect of a macro lens can be achieved by extending the distance from the ordinary lens to the digital camera photosensitive element. As a result, a variety of close-up rings (macro rings) are derived:
Such as the electronic adapter ring that can realize the automatic function (the price is not cheap):
Electronic macro ring _ Taobao search Taobao search is the most intelligent commodity search engine, through the operation of big data, accurate understanding of goods and users, providing accurate personalized search experience. Direct links to s.taobao.com There is also a skin cavity adapter ring that can adjust the macro scale continuously (the price is not cheap x2):
Cavity macro ring _ Taobao search Taobao search is the most intelligent merchandise search engine, through the operation of big data, accurate understanding of goods and users, providing accurate personalized search experience. Direct links to s.taobao.com As the first few paint shop users, I can only choose this:
Pentax Close-Like Circle_Taobao Search Taobao search is the smartest product search engine, through the operation of big data, accurate understanding of goods and users, providing accurate personalized search experience. S.taobao.com direct link out of the box: 
The price is cheap enough, 3 rings can have 3 different macro values. In the beginning, because more than 20 pieces were plastic, it was discovered that it was a cold aluminum alloy.
Can only shoot with M file. With the lens is also best to have aperture ring, otherwise you can only use the smallest aperture.
But this is not a problem for me. Pentax's home is played with the old mirror. I have a father's heirloom "Ricoh 50 1.7" with an aperture ring:
Ricoh 50 1.7_Taobao search Taobao search is the most intelligent commodity search engine, through the operation of big data, accurate understanding of goods and users, providing accurate personalized search experience. S.taobao.com direct link assembly: After installing the header, it becomes a gun
Naturally, it is cheaper to use technology and patience to make up for it, but this is not a problem for me. Below the film, the first shot, everyone will see, straight out, only changed the size. The old mage please enjoy the bricks and the younger brother is humbly taught.
50MM without any ring, 2.8 aperture, 60cm of the closest focusing distance.
The following is the effect of adding "ring 1" (Insert: this honeycomb pattern, I look concave, but will look to become convex, broken eyes?)
The following is the effect of adding "ring 1 + ring 2"
The following is the effect of adding "ring 1 + ring 2 + ring 3"
50MM margin view thumbnail
1+2+3 effect, thumbnail, non-100% cut
50MM margin view thumbnail
1+2+3 effect (root grass) thumbnail, non-100% cut
Here are the grandfather Mao Mao who loves to see:
Thumbnail:
100% screenshot:
Thumbnail:
100% screenshot:
Thumbnail:
100% screenshot:
Hammer M1, 5.15 inch 1080p screen display Aunt APP icon
Thumbnail:
100% screenshot: The pixel arrangement can still be seen very clearly (after measuring the mobile device, you'll know all the measurements).
If you start a few days earlier, my razor cross review picture will be more exciting......
The edge of the blade can be shot very clearly. The following is a thumbnail, not a 100% cut.
If you are like me, you want to play with macro photography, write original reviews, and have a lens with a ring of rings in your hands, then this macro ring is worth playing, with more than 20 pieces of The price I think anyone can afford, or aluminum alloy, it is not a pity to experience direct sales of waste products. The premise is that there is little experience with manual filming. An octopus tripod is better.
Fotopro RM-100-1F Octopus Camera Phone Holder Blue 48 Yuan Fotopro is a domestic digital product accessories company. This RM-100 octopus portable tripod is covered with a dense sponge. The arm length is 21cm, the ball head, the weight of 800 grams, flexible and flexible foot, can be freely deformed to cope with different environments, good grip, shooting angle can be adjusted , fast board nut interface using standard design, international common, suitable for card machines, micro-single, entry SLR, DV cameras and other products. Since the Jingdong direct link to view encyclopedia If the macro shooting volume is relatively large, high demand, it can also be the electronic macro ring, you can achieve full automatic shooting, filming efficiency will be greatly enhanced, the price is not expensive, hundreds of pieces. People with high requirements for magnification can choose the skin cavity type macro ring.
If photography enthusiasts or wealthy local tyrants are not bad, or commercial photography, it is natural to add all kinds of full-size tens of thousands of micro-heads.
LED Panel lights driver
LED Panel lights, as one energy saving lights in the Daily life, has became more and more popular in the world. We've designed led driver for this type led lights: 12W,18W,21W,24W,36W,48W,72W,85W,95W ect.According to different application, different country's household voltage, and different environment using, we designed suitable dirvers for these different situation.
Our led panel lights driver was made out of different case: aluminum, Iron, plastic ect. With input&output terminals, easy to install, especially for Class P certifed series, esay to combine with your already certified lamps, and then saving a lot cost!
Parameter:
Input voltage: 100-277vac / 100-240vac / 100-130vac / 180-240vac / 100-347V
output voltage: 25-40vdc / 27-42vdc / 35-45vdc / 50-70vdc / 12Vdc / 24vdc
current: 100mA-8000mA.
Power factor: >0.9
Dimming:0-10V / PWM / RX / DALI / Traic.
>=50000hours, 3-5 years warranty.
certificate: UL CE FCC TUV SAA ect.
FAQ:
Question 1:Are you a factory or a trading company?
Answer: We are a factory.Question 2: Payment term?
Answer: 30% TT deposit + 70% TT before shipment,50% TT deposit + 50% LC balance, Flexible payment
can be negotiated.
Question 3: What's the main business of Fahold?
Answer: Fahold focused on LED controllers and dimmers from 2010. We have 28 engineers who dedicated themselves to researching and developing LED controlling and dimming system.
Question 4: What Fahold will do if we have problems after receiving your products?
Answer: Our products have been strictly inspected before shipping. Once you receive the products you are not satisfied, please feel free to contact us in time, we will do our best to solve any of your problems with our good after-sale service.
Driver For Led Lights,Round Panel Lights Driver,Led Transformer
ShenZhen Fahold Electronic Limited , https://www.fahold.net