---
product_id: 432410981
title: "Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light"
brand: "hersmay"
price: "NT$1378"
currency: TWD
in_stock: true
reviews_count: 8
category: "Hersmay"
url: https://www.desertcart.tw/products/432410981-hersmay-cy-20-universal-hot-shoe-on-camera-flash-speedlite
store_origin: TW
region: Taiwan
---

# GN20 flash power 0-90° adjustable angle 2.5mm PC sync port Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light

**Brand:** hersmay
**Price:** NT$1378
**Availability:** ✅ In Stock

## Summary

> ⚡ Light up your legacy with every shot!

## Quick Answers

- **What is this?** Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light by hersmay
- **How much does it cost?** NT$1378 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/432410981-hersmay-cy-20-universal-hot-shoe-on-camera-flash-speedlite)

## Best For

- hersmay enthusiasts

## Why This Product

- Trusted hersmay brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Seamlessly sync with Nikon, Canon, Panasonic, Olympus, Pentax & more—except Minolta and Sony anti-intercalation shoes.
- • **Powerful GN20 Flash Output:** Illuminate your shots with professional-grade brightness that cuts through any scene.
- • **Compact & Lightweight Design:** Carry pro-level lighting in your pocket—only 100g and ultra-portable for on-the-go creativity.
- • **Versatile 0-90° Tilt Adjustment:** Master your lighting angles effortlessly for perfect highlights and shadows every time.
- • **Fast 1/1000s Flash Duration & 7s Recycle:** Capture crisp moments with rapid flash and minimal downtime between shots.

## Overview

The Hersmay CY-20 is a compact, lightweight universal hot shoe speedlite delivering a powerful GN20 flash output with a 0-90° adjustable tilt. Compatible with most DSLR cameras (excluding Minolta and Sony anti-intercalation shoes), it features a 2.5mm PC sync port, 5600K daylight color temperature, and fast 1/1000s flash duration for sharp, professional lighting on the go.

## Description

Specification: 1, adjustable lampholder 2, hot shoe holder 3, battery door 4, testing switch 5, hot shoe lock 6, prepare indicator lamp 7, power switch 8, in-phase jack Technology Capability 1,flash index: GN20m (ISO100,DIN21) 2,color temperature: 5600k ( for sunlight ) 3,efficient illuminating beam: horizontal 60°,vertical 40° 4,power: 1.5v double A battery (Not Included) 5,Back time interval: 7 seconds 6,flash continuous time: 1/1000s(manual) 7,size: 65×60×98mm 8,weight: 100g Camera shutter adjustment The camera with inter-mirror shutter can adjust to any speed.While the camera with focal plane shutter can just adjust to the speed profile of“X”.(Generally 1/60s).Or you can adjust your speed according to your instruction. How to use: 1,determine the distance between camera and the main feature by your eye,and then find this distance on the upside of the exposure meter. 2,find the photonasty of your camera from the first vertical line of the left of the exposure meter.The joint of this two lines is approximtely the apertu:re number. 3,you can get your aperture number from the following formula? Index(GN)=aperture(F)×distance(L) Eg.photonasty is ISO100/DIN21,the distance between the camera and the main feature is 5m,then the aperture is approximately F/4 Shoe suitable for all ordinary digital camera (such as 602,717,750, G3, etc.) and traditional cameras. except Minolta and Sony anti-intercalation Shoe. Even if there is no hot shoe,through the primer flash can also be used successfully.

Review: the price - very good value
Review: Camera flash - Works really well for price paid

## Features

- Up/down ward angle of 0-45-60-75-90 degree.
- This mini flash is compact, portable. With 2.5mm PC sync port.
- Flash index of GN20m, illuminating angle of Horizontal 60°, Vertical 40°.
- Adjustable lamp holder is filmed in color and black-and-white photos of the ideal light source and can be used as the auxiliary light photo shoot.
- Compatible with various digital camera and traditional camera. Except for Minolta and for Sony anti-intercalation shoe.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09MRZGZTC |
| Audio Recording | No |
| Battery Average Life | 1 years |
| Battery life | 1 years |
| Best Sellers Rank | 11,089 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 38 in Flashes |
| Box Contents | Adjustable lamp holder, hot shoe holder, battery compartment, test switch, hot shoe lock, indicator light, power switch, same-phase socket |
| Brand | Hersmay |
| Brand Name | Hersmay |
| Camera Flash Type | Slave |
| Camera flash | Slave |
| Color Temperature | 5600 Kelvin |
| Colour | White |
| Compatible Devices | Digital and traditional cameras (Canon, Nikon, Olympus, Panasonic, Pentax) except Minolta and Sony anti-intercalation shoe models |
| Compatible Mountings | Nikon SB 700, Sony Alpha |
| Compatible mountings | Nikon SB 700, Sony Alpha |
| Continuous Shooting Speed | 1000 FPS |
| Customer Reviews | 4.0 out of 5 stars 143 Reviews |
| Exposure Control Type | Automatic, Manual |
| Flash Sync Speed | X |
| Flash Unit's Guide Number | 20 |
| Flash sync speed | X |
| Hardware Interface | PC Card |
| Has Self-Timer | No |
| Included components | Adjustable lamp holder, hot shoe holder, battery compartment, test switch, hot shoe lock, indicator light, power switch, same-phase socket Included components Adjustable lamp holder, hot shoe holder, battery compartment, test switch, hot shoe lock, indicator light, power switch, same-phase socket See more |
| Iso Range | 100-25600 |
| Item Dimensions D x W x H | 6.5D x 6W x 9.8H centimetres |
| Item Weight | 100 Grams |
| Lens Mount Type | Hot Shoe Mount |
| Light Sensitivity | 100-25600 |
| Manufacturer | Hersmay |
| Maximum Shutter Speed | 1/1000 |
| Minimum Shutter Speed | 0.001 |
| Model Name | CY-20 |
| Model Number | [CY-20...] |
| Network Connectivity Technology | 2.5mm PC Sync Port |
| Screen Size | 98 Millimetres |
| Shooting Modes | Automatic, Manual |
| Viewfinder Type | Optical viewfinder |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology Type | Optical Pulse |

## Product Details

- **Brand:** Hersmay
- **Compatible mountings:** Sony Alpha, Nikon SB 700
- **Camera flash:** Slave
- **Flash sync speed:** 1/1000 Seconds
- **Included components:** Adjustable lamp holder, hot shoe holder, battery compartment, test switch, hot shoe lock, indicator light, power switch, same-phase socket

## Images

![Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light - Image 1](https://m.media-amazon.com/images/I/61n0yMM+lCL.jpg)
![Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light - Image 2](https://m.media-amazon.com/images/I/51ibPXVSiFL.jpg)
![Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light - Image 3](https://m.media-amazon.com/images/I/61OVUHuoJoL.jpg)
![Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light - Image 4](https://m.media-amazon.com/images/I/614EoVtb9KL.jpg)
![Hersmay CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light - Image 5](https://m.media-amazon.com/images/I/61tf-axvqaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ the price
*by J***N on 9 November 2025*

very good value

### ⭐⭐⭐⭐⭐ Camera flash
*by J***N on 24 October 2025*

Works really well for price paid

### ⭐⭐⭐⭐ Great little flash
*by D***3 on 15 January 2025*

I got this for my grandson's first flash because it is easy to use in a hot shoe. I had to fit the batteries as the battery compartment is a little difficult to close, flash recovery is not very long and it is good value.

## Frequently Bought Together

- Hersmay CY-20 Universal Camera Speedlight Flash Hot Shoe Mount On-Camera Electronic Speedlight with Sync Port for Nikon/Canon/Panasonic/Olympus/Pentax Alpha Digital DSLR Camera Flash Light
- Kodak 120 Portra 400 Film
- Holga 120N Plastic Camera

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-13*