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Sony A7s III Full-Frame Mirrorless Camera



Pre-orders are filled on a first come, first ship basis. Orders placed online will be added to the same queue as the orders taken in physical store.

This item releases September 24, 2020

Introducing the Alpha 7S III – a new milestone in sensitivity, speed and image supremacy. Featuring an all-new 12.1MP backside illuminated full-frame sensor with twice the readout speed for ultra-clean low-light images up to ISO 409,600 with 15+ stops dynamic range and 3x reduction in rolling shutter, plus Sony’s acclaimed fast hybrid autofocus with 759 phase detection AF points. A new BIONZ XR processing engine deliver 8x more processing power for up to 120p 4K 10-bit 4:2:2 and full pixel readout in all recording modes.

12.1MP Exmor R sensor, optimized for 4K, sensitivity and speed

New BIONZ XR processing engine delivers 8x more processing power

Low noise images w/ ISO up to 409,600 and 15+stop dynamic range

Up to 4K 120p 10-bit 4:2:2 and full pixel readout in all rec. modes

Up to 4K 120p in XAVC S (AVC), XAVC HS (HEVC) and XAVC S-I (All-I)

16-bit RAW movie output up to 4K 60p via HDMI Type-A connector

Effective internal heat dissipation enables 1-hour 4K 60p recording

Fast readout for high frame rates, faster AF, minimal rolling shutter

3” flip-out, vari-angle LCD monitor w/ touch menu and controls

Dual card slots, both compatible with CFexpress Type A and SDXC/SDHC

World’s first 9.44M dot 0.64” QXGA OLED eye-level viewfinder

Incredible autofocus w/ 759 phase detection AF points, 92% coverage 

30% improved Real-time Eye-AF and Real-time AF tracking down to EV-6

5-axis in-body image stabilization with selectable Active mode

New menu layout w/ intuitive 3 level structure and touch navigation

Robust magnesium alloy body w/ dust and moisture resistant sealing

MI shoe with digital audio interface up to 4ch. 24bit capability

SuperSpeed USB-C with power delivery and Ethernet wired LAN

Long Z-battery life extendable via USB Type C with Power Delivery

Picture Profiles including 10-bit 4:2:2 HLG and S-Log 2 & 3

10 in-camera customizable Creative Looks for stills and movies

7x adjustable AF Transition Speeds, 5x AF Subject Shift Sensitivity

Up to 1000 RAW+JPEG at 10fps w/ continuous autofocus and exposure

10-bit HEIF HLG still capture with selectable 4:2:0 or 4:2:2 sampling

Class leading compact size and weight

Visible Light and IR Sensor improves WB accuracy in artificial light

High-speed 2.4 and 5GHz Wi-Fi15 / FTP transfer and wireless PC remote

Notice regarding product availability

Items listed on the Houston Camera Exchange website are also available in the main brick and mortar store located at 5900 Richmond Ave., Houston TX 77057. Please be aware that although our inventory is automatically refreshed several times every hour, there is a possibility the item you are interested in may be sold in the store before you complete checkout. Adding an item your shopping cart does not place the item on hold in the main store. Should your item be sold in the main before your checkout is complete, you will be notified as soon as possible and your payment refunded. In many cases, we may have another comparable item that is not listed in the online store and you will be given the option to purchase it.


Houston Camera Exchange is one of the top dealers for Nikon, Canon, Sony and many others which allows us to occasionally offer pre-orders on items as they are announced. Pre-orders are filled on a first come, first ship basis. Orders placed online will be added to the same queue as the orders taken in physical store. You can be assured that you have the same chance to get it as soon as walk-in customers when it becomes available from our vendors.

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Available for pre-order. Item releases Sept. 24th.
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