Adopts high quality metal materials, lightweight, sturdy and durable. | Can decreases the lens focal length for close-up shot and won't alter the image quality. | 3 rings/set, 12mm, 20mm, 36mm, can be used independently or in combination to get different magnification. | Fits tightly onto cameras, copper conducts inside support auto focusing. | Good accessory for photography lovers, a good substitution to expensive macro lenses for macro photography.

This gear is designed for working with follow focus to adjust focusing length while shooting | Adopts good quality plastic, lightweight and durable | Enable you to adjust focus without adjusting zoom gear, convenient to use | Suitable for lens with diameter in the range of 55-65mm, compatible with various brands of lenses | Useful tool for photography lovers

Made of high quality nylon material, waterproof and durable | Removable liner, at the same time can hold 16 pieces of filter, and can hold bracket and adapter ring | Space-efficient storage for light and compact transportation without the need for heavy or bulky cases | The inside slots are made of macro fiber fabric,that can protect the filters well | Practical design, give your filters better protection, and convenient to carry

Made of ABS, it is not easy to wear and durable. | The remote control distance is greater than 8M (the machine model is different and the distance is different). | High quality replacement original remote control for your projector. | Suitable for EMP-7800 EMP-7850 EMP-7900 EMP-7950 EMP-8300 EMP-830 EMP-835 EMP-1830 EMP-1815. | Battery Model: 2 * AA (not include)

Connects remote trigger to camera, the perfect match to flash trigger and the camera remote control equipment. | Made of high quality materials and processed by exquisite moulds. | Connectors are 3.5mm (straight)/ 2.5mm (bended) plug to RM-VPR1 S2 connection. | Stretchable spiral coiled cord, easy to use and carry. | Compatible for Sony RX1/RX10/RX100/A7S/A7R/A7/A7II/A7III/A9/A58/77M2/99M2/A3500/A5000/A5100/A6000/A6300/A6500.

Connects remote trigger to camera, the perfect match to flash trigger and the camera remote control equipment. | Made of high quality materials and processed by exquisite moulds. | Connectors are 3.5mm (straight)/ 2.5mm (bended) plug to RM-VPR1 S2 connection. | Stretchable spiral coiled cord, easy to use and carry. | Compatible for Sony RX1/RX10/RX100/A7S/A7R/A7/A7II/A7III/A9/A58/77M2/99M2/A3500/A5000/A5100/A6000/A6300/A6500.

Suitable for all digital DSLR camera, camcorder, DV,HDV, HD camera. | Flexible gear drive belt, better adjustment of focal distance, each fixed point is extremely accurate, suitable for any diameter 46mm-110mm lens. | Gear module up to the film industry standard 0.8, strong practical function, easy to adjust, fast locking. | Small size and lightweight, easy to carry and store, convenient to use. | Made of high quality plastic and rubber material, sturdy, durable and long service life.

High efficiency, low power consumption, long life. Powered by DC 12V 1A adapter (not included). | Durable and practical metal shell provide IP65 waterproof and dustproof protection. | Easy to install. Work with different kinds of camera and provide better monitoring effect at night. | Automatic CDS power control auto-powers unit. The light will automatically turn on when the environmental illumination is less than 10lux, or it will turn off. | Application: electronic police snapshot system, highway snapshot fill light, toll station, security gate system, parking lot, road monitoring, traffic junctions, license plate recognition system, etc.

Unique dual-tip design, one pointed and one flat, considerate and convenient to use. | No need to change the tip, connected fixedly and safely. | Adopts high quality stainless steel material and CNC processing, solid, and resistant. | Professional maintenance tool for film lens, telescopes lens, surveying prism lens, microscopes lens, spotting scope lens etc. Suitable for disassemble the lens range 10-130mm/ 0.39-5.12 inches. | Easily adjust the jawing opening by one screw.

Cassette to MP3 Converter - This cassette capture can can directly transfer your old cassettes or tapes to your USB Flash Drive(NOT included) in MP3 format. | The USB flash driver can be connected to other devices to play the recorded music such as computer, MP3 player, portable speaker, etc. | You can play the tape with this cassette capture, and the cassette capture can also be used as a music player. | Easy to use - Plug and play, no drive required. | Easy charging - Support battery powered and USB powered.

IS-SM1560C metal lens tripod bracket ring with quick release plate is suitable for Sigma 150-600mm f5-6.3DG OS HSM C lens. | Using aviation aluminum, CNC precision processing, hollow out to reduce weight, grinding and polishing, anodic oxidation surface, with stainless steel screws. | Adopts the original standard, inner diameter about 80.5mm, width about 22.5mm, increase the function of quick mounting plate, plate length about 75mm, with 1/4 inch and 3/8 inch screw holes and stainless steel anti-slip screw. | Quick release plate uses AS standard, compatible for RSS/ARCA SWISS/KIRK/WIMBERLEY/MARKINS/SUNWAYFOTO/KANGRINPOCHE/BENRO/SIRUI/MARSACE/ISHOOT standard ballhead, apply for IS - JZ30 / IS - JZ50 / IS - JZ64 / IS - QJ58 / IS - QJ64 / IS - QJ64 - FD/IS - JZ6 | Professional manufacturing, stable characteristics and high reliability.

| | | | | | | | |

The surface is treated with matt paint to effectively control the reflection. | Made of quality aluminium alloy material, fine workmanship, sturdy and durable. | Avoid surrounding interference light entering the lens and improve image quality. | It can prevent accidental damage to the lens, can prevent fingers from accidentally touching the lens surface, and can also protect lens from damaging by wind, rain and snow. | Equipped with corresponding lens cover, provide the camera better protection.

Lens tripod mount ring base is suitable for Sigma 150-600mm f5-6.3 DG OS HSM Sports. | Adopt aviation aluminum, CNC precision machining, surface anodic oxidation , stainless steel screws. | Add 3/8'' screw holes and stainless steel anti-slip nails, finger position is increased to easily grip, strap holes are added to easily hanging. | The data of the mounting holes are collected from original lens. | Add RRS/ ACRA standard quick release plate function, compatible for RRS/ ARCA-SWISS/ PMG/ WIMBERLEY/ MARKINS/ SUNWAYFOTO/ BENRO/ SIRUI/ MARSACCE/ ISHOOT, and other standard ballhead. It is suitable for IS-JZ30/ IS-JZ50/ IS-JZ64/ IS-QJ64/ IS-QJ64-FD/ IS-J

Suitable for Sigma MC-11 Lens Adapter Inner Diameter 61.5mm. | Precision machining with aviation aluminum CNC, hollow out to reduce weight, grinding and polishing, anodized surface with stainless steel screws. | Designed on the adaptor ring, depending on the switch and mount positioning, can not rotate. | Round edges and corners to prevent wear. The inner diameter is about 61.5mm, the width is about 20mm, the function of quick loading plate is increased, and the length of plate is about 70mm. With 1/4 and 3/8 screw holes as well as stainless steel non-s | The quick release plate adopts AS standard. Compatible for RRS/ARCASWISS/PMG/WIMBERLEY/MARKINS/PHOTOCLAM/SUNWAYFOTO/BENRO/SIRUI/MARSACE/ISHOOT tripod ball head, suitable for IS-JZ30/IS-JZ50/IS-JZ64/IS-QJ58/IS-QJ64-FD/IS-JZ60BK/IS-JZ70MFT/IS-JZ80BK, etc.

The Macro Bellow is an accessory attached between the body and the camera lens. | Stretch the distance between your lens and film to provides high quality close up images for you. | Using this bellows is the great path to macro photography. | Better to be used with a tripod which will allow you to adjust the distance smoothly and constantly. | Great accessory for Nikon, Sony, Canon DSLR cameras.

For Raspberry Pi 4B, Micro HDMI to VGA video converter come with power supply function | For Raspberry Pi, 4 exclusive VGA converter possess high-definition stable transmission, plug and play | Support 1080P, support HDCP. Oxygen-free copper conductor achieve faster transmission and lower impedance | 24K gold-plated plug, high wear resistance and resistance. Convenient and fast, easy to install with no need to set up | Adopt high-performance conversion chip. HD picture quality with no jitter and no tailing

Cassette to MP3 Converter - Easy to use. | Plug and play, no drive required. | You can listen to tape, but you need to wear headphones.(Comes with a pair of headphone, convenient to use) | Convert old mix tapes and cassette to MP3 / CD. Convert music or listening materials on old tapes to MP3 format. | Lightweight and portable, can be played and transmitted anywhere anytime.

Suitable Models: Telescopes with size of 60x19x8cm, suitable for 70400, 70300, and other telescopes. Can store tripods, optical tubes, finderscopes, mirrors, etc. | Shockproof and Comfortable: The interior of the bag features anti slip hook and loop fastener to prevent items from colliding and provide shock absorption comfort. | Accessory Storage: Equipped with pockets for storing accessories and an optical tube bag to prevent scratches. | Easy to Carry: Transport your bag over the shoulder or by the handles. Telescope carrying case is easy to carry and can be folded when not in use, taking up minimal space. | Better Protection: Our telescope bag safeguards your telescope, minimizes the of damage to your telescope. An ideal helper for astronomers and astronomy enthusiasts to go out for stargazing.

Based on and modified by original standard design, structure and details are improved, more practical, and add quick release plate function. | Made of high quality aluminum alloy with CNC machining and surface anodic oxidation, split design, built-in non-slip pad, copper core knob, stainless steel non-slip screw. | Equipped with 76mm long quick release plate at the bottom, and reserve 1/4 inch and 3/8 inch screw holes. | Adopts AS standard quick release plate, compatible for RRS/ ARCA / KIRK / WIMBERLEY / MARKINS / SUNWAY PHOTO / KANGRINPOCHE / BENRO / SIRUI / MARSACE stardard ball head. | Suitable for Sony FE 70-200mm f4 G lens.

Using thick high-grade earphone wire, soft feeling, anti-pull and wear-resistant, strong temperature adaptability. No block feeling after opening wire coiling, good elasticity. Minimize vibration during filming. Photograph inaccessible objects. Three shooting methods: single shooting, continuous shooting and video shooting. | Adopt high-quality flexible wire core as guide line, high elastic metal contact sheet as switch, durable without deformation, precision metal plug, closely connected shutter line interface. | Key components, internal use of metal reed contacts, minimal contact resistance, high conductivity and wear resistance. Plugs all use metal copper needles as connectors, long service life. | The key adopts double layer design, the micro-convex structure is easier to press, the forward sliding and push-pull is easy to be in place, strong springback and the positioning is accurate. | Support for focus, shutter release and BULB shooting. Take photos by pressing the shutter fully. Lightweight and portable, easy to carry and use. Shutter release line is 90cm length, lightweight, good stability, easy to carry. Recommended for night/product/advertising/stage shooting, commercial photography, etc.

Plug and play. High security data protection. Easy to install and user-friendly. | The USB stick used is FAT32. | Data in root directory and 99 folders can be searched. | A built-in memory used to store data and convert format between FAT16/32 and FAT12, data retains even power down. | Great for industrial control equipment with 720KB floppy drive.

PLUG AND PLAY: Reliable and flexible equipment, no need to change the terminal equipment settings, support hot swap, no need to debug and plug and play. | 4 CHANNEL: Video multiplexer realizes single channel pass through signal and 3 channel superimposed signal transmission, providing diversified video surveillance solutions. | ANTI INTERFERENCE: 4 channel video multiplexer is based on modular design, which can effectively resist interference and guarantee the quality of video transmission. | LONG TRANSMISSION DISTANCE: Video multiplexer transmitter and receiver support 400 meters transmission distance, to meet the needs of long distance installation. | MULTIPLEXER: Analog video multiplexer is able to transmit four analog camera video signals at the same time to improve the scalability of the surveillance system.

Triple Band: This WiFi 6E wireless card supports triple bands, including 2.4GHz, 5GHz and 6GHz, with a speed of 5374Mbps(574Mbps/2.4Ghz+2400Mbps/5Ghz+2400Mbps/6Ghz). | RTL8852CE Chip: This wireless network card adopts RTL8852CE chip which provides users with fast and stable wireless connectivity for tasks and multimedia transmission with high bandwidth requirements. | WiFi 6E Technology: This laptop wireless card has the latest WiFi 6E technology to deliver higher rates and lower latency over a wider spectrum range while reducing network congestion and interference. | BT5.3 Supported: This WiFi 6E M.2 wireless card supports BT5.3 technology, and users can easily connect to a variety of BT devices, such as headphones, speakers, keyboards, etc. | Plug and Play: This wireless module for laptop also comes with screw for easy installation, plug and play, saving your time and energy.