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Sony Alpha a6400 Mirrorless Camera: Compact APS-C Interchangeable Lens Digital Camera with Real-Time Eye Auto Focus, 4K Video, Flip Screen & 16-50mm Lens - E Mount Compatible - ILCE-6400L/B, Black

Sony

Sony Alpha a6400 Mirrorless Camera

Compact APS-C Interchangeable Lens Digital Camera with Real-Time Eye Auto Focus, 4K Video, Flip Screen & 16-50mm Lens - E Mount Compatible - ILCE-6400L/B, Black

$829.00

Price went up recentlyUp from $825.00 on September 16.

cheapest at Amazon

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Watch this price

We are not ready to call this price.

We check every 3 hours but write a price down only when it changes, and we publish a verdict once 10 different days carry a recorded price. This one has 2, so how soon depends on how often the price moves, not on how often we look. If it is still $829.00 on September 30, this box will say so — a price that has held for two weeks is an answer too.

Every change we recorded

Every row is a price we saw change. We write one only when a price actually moves, so a gap here means the price held.

WhenRetailerPriceChange
· todayAmazon$829.00+$1.90
· todayAmazon$827.10−$1.90
· todayAmazon$829.00+$4.00
· todayAmazon$825.00−$24.52
· todayAmazon$849.52+$24.52
· 1d agoAmazon$825.00first seen

What our record shows

  • $1.90 more than the $827.10 it cost on September 16 — this price went up, not down.

Computed from our own checks at Amazon as of September 16. No line here uses a price a retailer told us about.

Tell me when it drops

A notification in this browser when the price falls. No email, no account, nothing to install.

$
%

At $828.99 we would have emailed you 1 time since Sep 15, last on Sep 15.

A notification carries a button that stops that alert; blocking notifications for this site in your browser stops them all.

Where to buy

RetailerPriceHeld forThat store's 90-day lowChecked
Amazon$829.00changed today—1h agoGo

Prices checked every 3 hours. “Held for” is how long that retailer has been charging this price. A hidden price is one we cannot re-confirm recently enough to publish. Delivery is counted only where we have read the retailer’s own figure; where we have not, the total says so instead of assuming it is free.

We earn a commission on purchases. It never affects our rankings.

The evidence

One line: the best price any tracked retailer charged, per day.

Prices we recorded ourselves. Usual is the price on the typical day, with limited-time deals left out.
PriceNowLowestHighestUsualDays recorded
New$829.00$825.00 on Sep 15$829.00 on Sep 16$829.002

Tracking since September 15, 2026 · 2 observations

We do not draw a chart under 10 observations. With four data points every product is trivially at its lowest recorded price, and a chart that says so is worse than no chart. Check back once the record is long enough to mean something.

sales rank — higher means selling more

#59 of the 132 Cameras we track, by Amazon sales rank.

Sales events

Next on the calendar: Prime Big Deal Days, October 6. We keep checking this price through it and report here what it did. Amazon has not announced Prime Day.

What it is

7 attributes published by the retailers we check, in their words. We record prices; these we pass on.

Size
6.2 x 9.2 x 4.55 inches
Color
Black
Weight
0.64 pounds
Dimensions
6.2 × 9.2 × 4.55 inches
Model
ILCE6400L/B
Released
February 2019
Warranty
1 year manufacturer

Cheaper in Cameras, and what changes

Things we track on the same shelf for at least 10% less than $829.00, with the attributes the retailers describe differently. Their words, not our judgement — we record prices, we do not test products.

What readers make of it

Nobody has rated this yet. We measure the price. This part is the bit we cannot measure.

Others we track in Cameras

See all Cameras prices