DJI Osmo Action 4 Essential Combo 4K Action Camera For Sale

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Welcome To Focus Camera It all started with a little camera shop in Brooklyn. Founded in 1966, Focus has faithfully served the New York City Metropolitan Area for over half a century. In that time, we've built a tight knit community of photographers, videographers, musicians, and other creators passionate about reaching their goals. Today we have two retail store locations, hundreds of employees, and millions of satisfied customers. However, our mission remains the same: to help creators find the gear they need to realize their vision. DJI Osmo Action 4 Essential Combo 4K Action Camera

DJI Osmo Action 4 Essential Combo 4K Action Camera Brand New in Original Packaging DJIOA4EC Features

• Records detailed 4K video at frame rates up to 120fps
• Large 1/1.3 inch CMOS sensor supports imaging in changing light
• 155-degree field of view captures immersive first-person perspectives
• RockSteady and HorizonSteady modes help stabilize active footage
• Front and rear full color touchscreens simplify framing and control
• Magnetic quick-release system supports fast mounting changes
• Protective frame enables native vertical video capture
• Waterproof to 18 meters without an additional case
• Supports microSD cards with capacities up to 512 GB

What's in the Box

• DJI Osmo Action 4 Camera
• Osmo Action Extreme Battery
• Osmo Action Horizontal Vertical Protective Frame
• Osmo Action Quick Release Adapter Mount
• Osmo Locking Screw
• USB Type-C to USB Type-C PD Cable
• Osmo Action Lens Hood
• Osmo Action Anti-Slip Pad

Item Description

Capture fast movement, changing landscapes, and first-person perspectives with the DJI Osmo Action 4 Essential Combo. Its compact camera body combines a 1/1.3 inch CMOS sensor, 4K recording up to 120fps, and a 155-degree field of view for immersive footage during travel, cycling, water activities, and outdoor adventures.

Detailed Imaging in Changing Light

The large sensor, f/2.8 aperture, and 2.4 μm equivalent pixel size support detailed footage from bright daylight into dimmer environments. A 10-bit D-Log M color mode records a wider range of tones for creators who want greater flexibility during post-production. The camera also captures still images at up to 3648 by 2736 resolution.

Stabilized Horizontal and Vertical Video

RockSteady 3.0 and RockSteady 3.0+ help reduce camera shake during active recording. HorizonBalancing corrects horizontal tilt at supported resolutions, while HorizonSteady keeps footage level through full camera rotation. The magnetic quick release system makes it easier to change mounting positions, and the horizontal and vertical protective frame supports native vertical content.

Ready for Water, Cold, and Fast Control

The camera is waterproof to 18 meters without an additional case and operates in temperatures from minus 20 to 45 degrees C. Front and rear full-color touchscreens let users frame shots, change settings, and review footage from either side. Pre-Rec can preserve up to 60 seconds before the record button is pressed, helping capture unpredictable moments.

Specifications Physical Specifications

• Dimensions: 70.5 x 44.2 x 32.8 mm
• Weight: 145 g
• Waterproof Depth: 18 meters without Waterproof Case
• Waterproof Depth with Case: 60 meters
• Microphones: 3

Displays

• Front Screen: 1.4-inch touchscreen
• Front Screen Resolution: 320 x 320
• Front Screen Density: 323 ppi
• Rear Screen: 2.25-inch touchscreen
• Rear Screen Resolution: 360 x 640
• Rear Screen Density: 326 ppi
• Screen Brightness: 750 plus or minus 50 cd per square meter

Camera

• Sensor: 1/1.3 inch CMOS
• Field of View: 155 degrees
• Aperture: f/2.8
• Focus Range: 0.4 meters to infinity
• Photo ISO Range: 100 to 12800
• Video ISO Range: 100 to 12800
• Maximum Photo Resolution: 3648 x 2736
• Still Image Resolution: Approximately 10 MP
• Photo Zoom: Up to 4x digital zoom
• Video Zoom: Up to 2x digital zoom

Video Recording

• 4K 4:3 Recording: 3840 x 2880 at 24, 25, 30, 48, 50, or 60fps
• 4K 16:9 Recording: 3840 x 2160 at 24, 25, 30, 48, 50, 60, 100, or 120fps
• 2.7K 4:3 Recording: 2688 x 2016 at 24, 25, 30, 48, 50, or 60fps
• 2.7K 16:9 Recording: 2688 x 1512 at 24, 25, 30, 48, 50, 60, 100, or 120fps
• 1080p Recording: 1920 x 1080 at 24, 25, 30, 48, 50, 60, 100, 120, 200, or 240fps
• Maximum Video Bitrate: 130 Mbps
• Video Format: MP4 with H.264 or HEVC
• Photo Format: JPEG or RAW
• File System: exFAT

Recording Modes

• Slow Motion: Up to 4x at 4K 120fps
• Slow Motion: Up to 4x at 2.7K 120fps
• Slow Motion: Up to 8x at 1080p 240fps
• Hyperlapse Resolution: 4K, 2.7K, or 1080p
• Timelapse Resolution: 4K, 2.7K, or 1080p at 30fps
• Pre-Rec Duration: 5, 10, 15, 30, or 60 Image Stabilization: RockSteady 3.0
• Electronic Image Stabilization: RockSteady 3.0+
• Horizon Correction: HorizonBalancing
• Full Rotation Horizon Correction: Recording: 48 kHz, 16-bit
• Audio Format: AAC

Storage

• Memory Card Type: microSD
• Maximum Supported Capacity: 512 GB
• Built-in Storage: None

Battery

• Battery Type: LiPo 1S
• Battery Capacity: 1770 mAh
• Battery Energy: 6.8 Wh
• Battery Voltage: 3.85 V
• Operating Time: Up to 160 minutes under DJI test conditions
• Operating Temperature: Minus 20 to 45 degrees C
• Charging Temperature: 5 to 40 degrees C

Wireless Connection

• Wi-Fi Protocol: 802.11 a, b, g, n, and ac
• Bluetooth Protocol: BLE 5.0

Shipping

Shipping

Payment

Returns

Shipping

Shipping is free within the continental United States (lower 48 states only). Rates include handling and insurance.

Domestic Shipping

Lower 48 States: Free shipping, including handling and insurance.
Alaska, Hawaii, Puerto Rico, U.S. Territories, APO & FPO: Additional shipping charges may apply, and some items cannot be shipped to these locations. Please use the Shipping and Payments tab with your ZIP code to confirm availability and view exact costs. Free shipping applies only to the lower 48 states.

International Shipping

All international orders are processed through ’s Global Shipping Program. Please see the Shipping tab for detailed costs and available options.

Restrictions

Orders cannot be shipped to hotel addresses at this time.

Payment

Payment

We accept major credit cards and PayPal; however, American Express is not supported on this platform. All payments are securely processed through ’s managed payment system. Immediate PayPal payment is required for all Buy It Now purchases, while payments for Best Offers are due within 3 days. If you need special payment arrangements, please contact us via messages.

Please note that payments cannot be modified once an order is submitted or fulfilled, so any issues must be resolved beforehand. For payment-related questions or assistance, contact customer support directly

Returns

Returns

We want you to be happy with your purchase. If you're not satisfied, you may return your item within 30 days of delivery. Please contact us via messages or the returns link to obtain an RMA number.

Domestic Purchases

• If you wish to return an item, please contact us via messages or the returns link to obtain a Returned Merchandise Authorization (RMA) number. This ensures proper handling of your return or replacement.
• To qualify for a full refund (less shipping expenses), the item must be in its original new condition, with all packaging, manuals, and paperwork intact and unaltered. Opened items are eligible for return but may be subject to a restocking fee.
• Customers are responsible for the shipping and handling costs incurred in sending the item. If your order included Free Shipping, the shipping expenses we paid on your behalf will be deducted from your refund. If an item is refused, the carrier charges for both ways will be deducted from your refund.
• All returns are subject to inspection. Items must be in brand new condition as described above. If not, the return may be deemed non-refundable or subject to a restocking fee of at least 15%. Missing accessories or signs of wear may result in higher restocking fees. For specific fee details, please contact us via messages.
• Returns must be packed in an outer shipping carton (not just the original product box), with the RMA number clearly marked on the shipping label. Include a copy of your invoice and order number, and insure your return shipment with prepaid shipping. We do not accept COD shipments.
• Certain product categories are not eligible for return due to hygienic or sanitary reasons, as required by manufacturers. Consumable goods or items locked by manufacturers (such as Apple or HP) are not returnable.

Promotional Items

• If you received a free item as part of a “Buy 1, Get 1 Free” promotion, the free item must be returned with your original return request to receive a full refund. If the free item is not returned, its value will be deducted from your refund amount.

Other Issues

• For warranty claims, lost merchandise, transit issues, or order cancellations, please contact us via messages. In the event of a price or description error, we will notify you promptly. You will have no obligation to proceed with the purchase, and any amount charged will be fully refunded.

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