Electrical/Electronic
1975 Pentax K2 DSLR camera
The Pentax K2 is a 35mm DSLR camera launched by Pentax in 1975. This is the flagship camera of the three cameras back then, featuring a new K-lens mount developed for Zeiss, which the joint venture had never actually developed. The other two are KX and KM. In addition to these cameras, Pentax has also released 26 Super Multi Layer Coating (SMC) K-mount lenses. The release of K-mount cameras and lenses took place at a large Pentax birthday celebration held at the Imperial Hotel in Tokyo, Japan.
VF 50P composite wing vertical takeoff and landing unmanned aerial vehicle
The composite wing layout combining fixed wing and quadcopter solves the problem of vertical takeoff and landing of fixed wing unmanned aerial vehicles in a simple and reliable way, combining the characteristics of long flight time, high speed, and long distance of fixed wing unmanned aerial vehicles with the function of vertical takeoff and landing of rotary wing unmanned aerial vehicles. This drone platform can operate smoothly in complex terrain and densely populated areas such as mountainous regions, hills, and jungles, greatly expanding the application range of drones and making it an ideal choice for industrial grade drones.
2009 Olympus E-P2 single camera
E-P2 is a single camera released by Olympus on November 6, 2009, equipped with a 12.3-megapixel Live MOS sensor and TruePic V image processing engine. The Olympus E-P2 features interchangeable lenses, 12 megapixels, and body anti shake capabilities. It also includes an EVF viewfinder and built-in flash. The mode dial will be optimized and an additional secondary dial will be added (in conjunction with the column dial, allowing for independent adjustment of aperture size and shutter speed). Video shooting will be increased to 1080p.
2016 Nikon D5600 digital SLR camera
The Nikon D5600 is a single lens reflex digital camera released by Nikon on November 10, 2016. The Nikon D5600 is equipped with a foldable LCD display screen, with a width of approximately 124 millimeters, a height of approximately 97 millimeters, and a thickness of approximately 70 millimeters. Weight approximately 465 grams (with battery and memory card, but not including body cover); Approximately 415 grams (camera body only). The Nikon D5600 provides an image sensor with approximately 24.16 million effective pixels and an EXPEED 4 image processor, with a total pixel count of approximately 24.78 million.
Astronomical pentameter
The Astronomical Quintant, also known as the Astronomical Goniometer, is an ancient astronomical instrument used to measure the elevation angle of celestial bodies. It consists of a quarter arc and a movable cursor. The principle of the astronomical pentameter is based on the method of triangulation. When the observer raises the astronomical pentameter towards the sky, the cursor can move to align with the line of sight of a celestial body. Surveyors can determine the elevation angle of celestial bodies by reading the scale on the cursor. Usually, the scale on an astronomical pentameter is spaced at intervals of five degrees, hence it is called a pentameter.
1958 Nikon S3 film camera
The Nikon I, M, and S all look very similar in appearance. They are heavy, with a shutter speed of only 1/500 second, and the viewfinder of the 50mm lens is very small. Despite these drawbacks, the Nikon S sold well, producing over 34000 units from 1951 to 1954. Coincidentally, many Nikon S cameras have an additional serial number called the 8-digit Nikon S.
1977 Minolta XG 2 DSLR camera
The Minolta XG series was launched in 1977 along with the more complex Minolta XD series, and is a budget series of small, lightweight, and easy-to-use electronic SLR cameras with automatic exposure mode. As the first models in the Minolta DSLR camera series, these cameras cannot operate without batteries. They still use outdated CdS metering systems and have competitive fabric shutters. In aperture priority automatic mode, the electronically controlled shutter provides a continuously variable speed from 1 second to 1/1000 second. Many of its functions continued into the later XG series body.
2017 Leica M10 rangefinder camera
The Leica M10 is a rangefinder camera from Leica, featuring 24 million pixels and more high pixel cameras in the same price range. The M10-P design is more understated, allowing photographers to focus more on their shots. The shutter sound of M10 is low, released by the quiet M camera shutter. This gives the Leica M10 an important advantage in environments that require quiet shooting. M10 can control the focus position faster in both live view and playback modes.
Antique sextant telescope optical instrument
Vintage vintage multi band radio
Stockholm vintage antiques
Sony Trinitron KV-13FM12 Retro Vintage TV
Trinitron is a trademark registered by Sony for cathode ray tubes used in televisions and displays. Sony developed Trinitron technology in 1968. At that time, it was designed for television use. In the 1980s, it was applied to computers and integrated into CRT monitors.
Bose Doctor A20 Aviation Earphones
BOSE is the largest speaker manufacturer in the United States, headquartered in Massachusetts, with hundreds of engineers engaged in research and development. It is a wholly-owned independent company. The product has also shown outstanding performance in the fields of automotive audio and aerospace technology.
2021 Leica M10-P rangefinder camera
The Leica M10-P is a rangefinder camera from Leica, which has undergone some improvements and enhancements based on the M10. The design of M10-P is more low-key, eliminating the familiar classic Leica red logo, making the camera more concealed and allowing photographers to focus more on shooting. The shutter sound of M10-P is extremely low, known as the quietest M camera shutter release sound in history. This gives the Leica M10-P an important advantage in shooting environments that require quietness. The M10-P is the first M camera with touch functionality, allowing for faster control of focus position in both live view and playback modes.
1934 antique camera Kodak Brownie junior film camera
This camera is designed to capture 2 ¼ x 3 ¼ inch images on 620 film. It is produced in the United States, Canada, and the United Kingdom, and there are several different versions available. Early Brownie cameras achieved success due to their inexpensive cardboard body. Although there is a Six-20 Brownie Junior made entirely of cardboard, most versions gradually increase the use of metal (instead of wood) while maintaining the Brownie principle of simple structure and operation. The Art Deco version seen here may be the most popular.
Computer Data Storage (RAM)
Computer data storage, also known as memory or memory, usually refers to semiconductor memory random access memory, especially dynamic random access memory (Dynamic RAM). Memory is a device that is fast but can only temporarily store data. In history, storage was referred to as main memory, internal storage, and storage devices were considered as secondary storage devices, external storage. However, in smartphones in mainland China, "memory" is commonly used to refer to the second level storage device, and RAM is called "RAM".
Raspberry Pi B+type computer motherboard
Raspberry Pi, abbreviated as RPi and also known as RasPi/RPI, is a mini computer designed for learning computer programming education. It is only the size of a credit card and its system is based on Linux. With the release of Windows 10 IoT, users can use Raspberry Pi running Windows.
1900 vintage camera, da brownie holiday flash camera
Da Browni is a series of cameras manufactured by Eastman Kodak. Released in 1900, it introduced snapshots to the public. This is a basic cardboard box camera with a simple convex concave lens that can take 2 1/4 inch square photos on 120 rolls of film. It is designed and sold for the sale of Kodak film. Due to its simple control and initial price of $1 (equivalent to $31 in 2020), as well as the low cost of Kodak film and development, the Brownie camera exceeded its marketing goals. This camera is perfect for capturing precious moments, football matches, graduation ceremonies, and even indoor weddings.
2022 GoPro HERO 11 Black Sports Camera
The new sensor of GoPro HERO 11 Black supports 5.3K videos and 27MP photos, which can capture more details. The latest stabilization technology of GoPro can significantly reduce the shaking during the camera process, making the captured videos smoother. The new front display screen makes it easier for you to see your own image when shooting selfie videos. Meanwhile, the display screen on the back has also become larger, making operation more convenient.
2020 GoPro HERO 9 Sports Camera
The new sensor of GoPro HERO 9 supports 5K videos and 20MP photos, which can capture more details. This is the latest stabilization technology of GoPro, which can greatly reduce the shaking during the camera process, making the captured videos smoother. GoPro's time warping feature can create cool slow motion videos. Compared to the previous generation product, the HERO 9 Black has increased battery life by 30%. HERO 9 Black can be filmed at a depth of 10 meters, making it perfect for water sports.
2019 GoPro HERO 8 Black Sports Camera
GoPro HERO 8 Black is a high-performance sports camera that utilizes GoPro's latest stabilization technology to significantly reduce camera shake, resulting in smoother video capture. The time warping feature creates a stunning slow motion video, allowing you to record 90 still images within 1.5 seconds before and after shooting, allowing you to choose the best one to share. Frequency. It can improve the contrast of photos, reduce blurring, and make the captured photos clearer. It can be filmed at a depth of 10 meters, which is very suitable for water sports.
2020 Full Frame DSLR Camera Fuji X100V
The Fuji X100V is a full frame camera equipped with a new 23mm F2 lens and high-performance sensors. It has dust-proof and anti drip functions, equipped with an "advanced hybrid viewfinder", and built-in multiple "film simulations". This camera combines aesthetics, performance, and creativity, making it suitable for photographers who pursue high-quality images.
1996 Canon Elph 130 film SLR camera
The Canon Elph 130 (known as IXUS 140 in Europe) has an equivalent zoom of 28-244mm in front of an 8MP CCD sensor. Although it has Wi Fi, it does not have the one click convenience of its predecessor PowerShot N, but instead uses the previous generation Digic 4 processor.
1977 rangefinder camera FED 5C
FED is a Soviet rangefinder camera that was mass-produced from 1934 to around 1996 and is also the name of the factory that manufactured it. Starting from 1955, FED began to innovate by combining rangefinders with the viewfinder of FED 2 and all subsequent products. FED-3 added a slow shutter speed, and in later versions of FED-3 (b), the feed was changed from a finger wheel to a lever. FED 4 (1964-77) added a non coupled selenium exposure meter. The initial FED-5 had an exposure meter, but later cheaper versions of FED-5B removed the exposure meter.
2022 Canon EOS R7 mirrorless camera
The Canon EOS R7 is a high-end semi professional APS-C mirrorless interchangeable lens camera produced by Canon. Canon released the camera on May 24, 2022, and on June 23, 2022, it was released in Japan along with the Canon EOS R10. The R7 is the first of two APS-C cameras in the Canon EOS R series. R7 offers two RF-S mount lenses as kit lenses: RF-S 18-150mm f/3.6-6.3 IS STM and RF-S 18-45 f/4.5-6.3 IS STM.
DJI Innovation DJIFPV by SDC
DJIFPV by SDC is a high-performance drone designed specifically for drone racing and extreme sports enthusiasts. It was developed by the SDC (SportsDroneChampionship) team with the aim of providing excellent flight performance and exciting experiences. Adopting lightweight design and advanced aerodynamic principles, it has excellent maneuverability and handling. It is equipped with high-performance motors and precise control systems, which can achieve fast acceleration, flexible steering, and precise hovering. It is a high-performance drone designed specifically for drone racing and extreme sports enthusiasts.
70s movie camera Canon 312XL-S
This is the sister model of 514XL-S. It has an external metering system that replaces TTL metering and has removed some features from the 514XL-S to reduce costs. Adopting a newly designed high-speed 3x f/1.2 zoom lens with macro function. This lens has a built-in foldable rubber lens hood. The new compact Canon boom microphone BM50 was developed for this model. The Canon Boom Microphone BM70, sold together with the 514XL-S, can also be used with this model.
Canon AE-1 DSLR camera from the 1970s
Canon's AE-1 camera, launched in April 1976, became popular worldwide. When AE-1 was launched, TTL manual metering cameras (including Canon FTb and Canon FTb-N) remained the mainstream in the 35mm DSLR camera market. Automatic exposure cameras are still at the forefront of the DSLR camera market. They are all relatively expensive and have low production. The Canon AE-1 is a 35mm focal plane shutter DSLR camera that was launched in April 1976. Composed of 5 main components and 25 secondary components, centrally controlled by a microcomputer.
IPad Air 3 Deep Space Gray
The iPad Air 3 is a tablet computer launched by Apple Inc. on March 18, 2019; The starting price for iPad Air 3 is 3999 yuan. The iPad Air 3 comes in three colors: deep space gray, silver, and gold. The screen size is 10.5 inches, and the retina display screen has original color display technology with 2224x1668 pixels. The iPad Air 3rd generation processor is A12 Bionic, which supports the first generation Pencil stylus, original color display, and Bluetooth 5.0. Continuing the Lightning interface and Touch ID fingerprint recognition.
IPad Air 5 Purple
The iPad Air 5 comes in five colors: dark gray, starlight, pink, purple, and blue, with two capacity versions of 64GB and 256GB. The body shell of iPad Air 5 is made of 100% recycled aluminum metal, and the motherboard solder is made of 100% recycled tin. The magnets in the shell and audio components are made of 100% recycled rare earth elements. The iPad Air 5 is equipped with the M1 chip, with an 8-core central processing unit that can improve performance by up to 60%, and an 8-core graphics processor that can increase graphics performance by up to 2 times. Supports 5G connectivity with peak network speeds of up to 3.5 gigabits per second.
Intelligent six rotor drone Haoxiang Typhoon H
The TYPHOON H hexacopter drone features a brand new PX4 flight control platform with multiple intelligent flight modes to choose from, such as following function, point of interest surround, and multi waypoint preset function. The C23 gimbal camera is equipped with a 1-inch CMOS sensor and supports shooting 4K ultra high definition videos, making it one of the choices for photography enthusiasts. TYPHOON H is one of the quietest and most efficient hexacopter drones in its class. Under normal weather conditions, the flight time can last up to 25 minutes.
Mini movie camera
2016 Sony HDR-CX625 Digital Camera
SONY HDR-CX625 is a high-definition digital camera launched by Sony Corporation, equipped with a Vario Tessar lens, a maximum pixel of 6.65 million, 10x optical zoom, and aperture of F1.8-F3.4.
1960s DSLR camera Minolta SR-T 101
The Minolta SR-T 101 is a 35mm manual focus DSLR camera with lens exposure metering (TTL), launched by Minolta Camera Company in 1966. Its target is demanding amateur and semi professional photographers. The SR-T 101 has been in production for ten years with only minor modifications. This design is based on the 1962 Minolta SR-7 V-type camera, but mainly inherits the original Minolta SR-2 from 1958.
Bluetooth Monitoring Earphones Marshall Major 4
Marshall Major4 is a monitoring earphone with excellent craftsmanship and outstanding sound. Especially suitable for rock and metal music. Wearing Marshall Major4 is a small symbol for guitarists.
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