シャドーイング練習: Acebeam L16 v2.0 Review - Long Range Tactical Flashlight - 動画で英語スピーキングを学ぶ

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Hello YouTube!

Flashlight enthusiasts here.

Finally, I got my hands on the new Acebeam L16 2.0,

which is a little upgrade of their old L16 long-range tactical flashlight.

What I immediately noticed is the small form factor,

despite using a higher capacity 21700 SL and still focusing on over 600 meters of throw.

Quick note I got this flashlight directly from Acebeam free of charge however

if you are interested in this model I have a special coupon code for our community FAT15

that gives you 15% of discount so

if you'd like to purchase Acebeam products make sure to use

this coupon code for additional savings this does support the channel quite a bit.

Acebeam L16 2.0 comes in an attractive standard Acebeam box with flashlight picture on it

and key stats representing what could you expect.

On the rear we've got some company information, magnetic opening is also quite nice and inside you'll find a bunch of accessories.

A good quality velcro holster with Acebeam logo,

stretchy fabric and some standard attachments to your belt also plastic during the fitting is quite good actually

definitely fits the holster quite well the flashlight itself with the included battery

of course an adjustable wrist lineart with ace beam logo a short usb to usbc charging cable

two spare o-rings and usb-c charging port rubber cover last

but not least all the warnings warranty

and user manual in different languages before operating make sure to remove the lens cover

as well as unscrew the tail cap and remove the insulation film from the battery compartment

so here it is the new age beam l16 2.0 what i immediately noticed is

that this flathead is quite compact for a 21 700 cell

obviously we've got a standard excellent quality of azim this matte

finish of analyzation is the highest quality i know on the market

so definitely a reliable tool we've got this single switch uh

on the side stainless also nice metal one some engravings hot markings this nice knurling here on the battery tube

which gives you nice grip even with wet hands

but it's not aggressive on your pockets whatsoever we've got the

pre-installed stainless steel pocket clip hard anodized on the black color this is press fit

so you can remove it easily with enough force

but you'll also scratch the anodization so i wouldn't do

that here on the tail cap you've got your lanyard attachment two of them actually

but put lanyard here make sure it goes on the side of it

because it will disturb the tail standing feature

which is by far quite stable without the lanyard we've got nice stainless steel bezel also black one

so this looks quite stealth in my view definitely in tactical style

and as we notice we've got some threads on the bezel here that's because you've got an optional accessories of

orange filter that you can actually screw down to the bezel and now we've got our beam in orange color.

It is definitely a good accessory

and as you can see there is an anti-reflective coating here

to minimize the light losses however you do lose plenty of light with such filters

and I really wish it was a red one instead of orange one

because as you can see right now on the beam shot section the beam is literally orange

which i wouldn't find useful red one is definitely more standard

to me it gives you this illusion of warm white led

which might be the case

but in tactical situations i don't really think it might be useful let me know in the comment section below

if you know application of such filter moving on there is this tail cup with a single tactical switch

and usbc charging port here under this rubber cover

which i'll show you in a second unscrewing the tail cap

will reveal a nice set of unanodized threads again uh this

is the direction 8b is going from some time uh i really don't like this one

because you cannot lock out the flashlight physically

which might be quite problematic in some cases nevertheless we've got

highest quality spring down there everything looks really premium here as

you would expect from acebeam there is included 21700 cell the

highest capacity on the market right now 15 amps rated this

is a good cell however acebeam thought about us flashlight enthusiasts

and you can use the standard unprotected 21700 cells as well in the flashlight

so because of the length difference the tension on the spring will be a little bit

lighter however you can easily use the flashlight

and it does not cause any issues in my view as

there is second spring down there in the battery tube as you can see we've got dual tube design

so the signal from the switch goes directly to the driver located in the head.

However, as I mentioned, you cannot lock out the flashlight physically

because the tube is glued on this side and here you've got an unanalyzed thread.

So the only option that you can lock out the flashlight is by electronic, which is in the UI luckily.

On the tail cap, ASB Incorporated also the USB-C charging port, which is covered by this rubber cover that sits quite tightly, mind you, which is quite good.

and down there we've got the standard usbc charging port

which is always a nice addition

and as you can see there is this hole right there

and acebeam offers an additional accessory the tactical switch

that could be used with this usbc charging port plug

that also can be secured by the screw right there

so definitely a tactical application here here is your led charging indicator

and once you plug in your usbc charging port you can see

that there is green that fully charged

because I charged it almost 30 minutes ago

and there is also the red one which means charging in process

and I have to comment here

because as you can see right now on the screen the charging is painfully slow for today's standards

and it took me over six hours to fully charge the included 5000 mAh battery

which is just absurd so I truly pity every user of LS16

that does not have an external charger

and it has to rely on a super slow usbc charging in this flashlight

if that would be your duty light

which is quite good choice uh in my view you definitely need to have a spare cell

or two because the charging is just absurdly slow all right moving on

and there is this excellent reflector and led choice here

so we've got quite a deep reflector despite the small head

and there's SFT 40 a meter so quite small die

that will illuminate and this results in a super focused beam

that will throw over 600 meters

which is definitely a great result from such a compact flashlight

and the beam is also quite bright around 2000 lumens which is more than enough in most cases.

Maybe I forgot to mention this

but I got the 5000k version my opal meter however shows

100

a little bit high numbers like 5500k in terms of the ui is quite simple we've got the side switch

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and you've got the tail switch tail switch is basically your turbo output shortcut

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so we've got momentary when you have press and

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when you fully press you've got your turbo constant on

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and one single click will turn the flashlight off

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and that's basically the function of tail switch so instant access to turbo

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when you need it but the rest is definitely

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serviced by this side switch

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so one click for on one click for off you can

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hold the button from off to go into the ultra low

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which is quite low actually i really like that one and

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when you hold the switch from on you cycle through low medium medium to high

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and in the loop

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so we've got four modes in the loop double tap for

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turbo output double tap again to return to the previous use mode

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which is also quite convenient you've got triple click for stroke mode one click for off

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and you've also got your lockout function as i mentioned before

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so you have to hold the switch from off wait for the moonlight mode to appear

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and then wait for blinks

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and now your flashlight is locked out what i missed here is some kind of indicator of the battery level

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which is usually located in some vicinity of the switch in

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ace beam however here in this particular flashlight i think they missed it

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so you've got only your charging indicator under this rubber cover

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which is actually covered while not using your charging

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and it does not act as a battery indicator

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so you have to rely on the uh runtime your intuition

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or whatever this flashlight just does not warn you

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when the battery is running low just lowering the brightness so

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if you start seeing

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that flashlight is not shining as bright as it used to then you probably need to replace the batteries

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so here are my lumen measurements of the 8beam l16 2.0

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and it included 5000 nm power battery

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if you need more time feel free to pause the video we can all agree

133

that we buy 8beam products for the quality but also for the performance

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and l16 is not the exception here i measured around 1848

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lumens at start this is the 5000k version mind you only included 5000 mAh battery

136

and as you can see we've got over 2 minutes

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and 40 seconds of stable performance before stepping down from over

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1557 lumens over the quick step now over the course of

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20 seconds to around 800 lumen level with flashlight body achieving around 45 degrees celsius mind you

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and as you can see

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and as you would expect from 8beam you've got nice regulated driver

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and flat output regulation around 825 lumens sustained for exactly two

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hours before as i mentioned flashlight starts to smoothly decrease the brightness leaving you slowly in the dark

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which is one thing i have to criticize in this excellent

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performance i repeat excellent really excellent performance of the l16 2.0

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and if you go one mode down

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which is the high mode here i measured around 864 lumens and as you As you can see, no step down whatsoever until the 2 hours and 13 minutes mark

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wherein flashlight steps down from over or around 758 lumens to infinity zero.

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So smooth output decrease with flashlight body stabilizing 50 degrees Celsius.

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This is definitely getting hot, but not too hot to handle.

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And again, I'm really disappointed in this smooth ramping towards zero without any warning. so Thank

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you. so Thank

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you so

154

Thank you. so so

155

So, summing up, I really liked the Acebeam L16 2.0 and the design and overall idea of flashlight.

156

I definitely agree that the driver is excellent on this one

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and sustaining a whopping 800-ish lumens for over two hours is

158

definitely a great result for a flashlight with this head size and even with single emitter.

159

The run times are really great and the performance of this flashlight is undoubtedly respectable.

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Having over 600 meters of range with this pocket size

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and instant access to strobe mode and turbo mode is definitely a great companion in duty situations but also outdoor adventures.

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What I miss in this flashlight is definitely a battery indicator and first of all quick charging.

163

We live in the times when we all value our times

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and I think that installing one amps charging with such high capacity battery is definitely a killer for such a model.

165

Last but not least unanalyzed threads is definitely a safety concern for me

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because you cannot lock out the flashlight physically which might get handy in some travel situations or even tactical scenarios.

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Overall definitely great design and application however with some flaws that might be too much for the users to handle.

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If you are interested in purchasing your first

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or maybe another Acebeam flashlight make sure to check out the

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coupon code below this video it will save you some money and help the channel quite a bit.

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Please let me know in the comment section below what do

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you think about the Acebeam L16 maybe you own one

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or maybe you like to get one

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but was hesitant before the review make sure to leave your comment down below this video click the like button

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and the subscribe button not to support the algorithm on this channel not to miss any future videos that I release,

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thank you so much for watching and we'll see you in the next one.

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このレッスンの語彙とスピーキングのポイント

このB2レベルのスピーキングレッスンは、動画「Acebeam L16 v2.0 Review - Long Range Tactical Flashlight」を教材にしています。繰り返し出てくる語は次のとおりです：flashlight, definitely, charging, acebeam, battery。この動画には、シャドーイング用の文が176文、単語が2129語あります。音声の長さは17:15です。話す速さは1分あたり約123語で安定しており、シャドーイングしやすいペースです。英語の頻出3,000語に含まれる単語は80%だけなので、語彙は難しめです。

この動画の重要語彙

動画の中で特に難しい単語15語を、発音と意味つきで紹介します。

単語	発音	意味
flashlight 名詞	/ˈflæʃˌlaɪt/	懐中電燈
beam 名詞	/ˈbiːm/	梁, 桁
lumen 名詞	/ˈlumən/	ルーメン
indicator 名詞	/ˈɪn.dɪˌkeɪ.tə(ɹ)/	インジケータ, インジケーター
accessory 名詞	/əkˈsɛs.(ə.)ɹi/	アクセサリー, 持ち物
coupon 名詞	/ˈkuːˌpɑn/	クーポン
meter 名詞	/ˈmitəɹ/	メーター, 計量器
enthusiast 名詞	/ɪnˈθuːziˌæst/	愛好家
holster 名詞	/ˈhɒlstə(ɹ)/	ホルスター
reflector 名詞	/ɹɪˈflɛktə(ɹ)/	反射鏡
brightness 名詞	/ˈbɹaɪtnəs/	明るさ
metre 名詞	/ˈmiːtəɹ/	メートル, ㍍
plug 名詞	/plʌɡ/	プラグ
decrease 動詞	/dɪˈkɹiːs/	減少する, 減る
engraving 名詞		彫刻

動画に出てくる句動詞

単語	意味
check out 動詞	試験する, 検査する

この動画の文法

話し手がよく使っている文型を、動画の実際の表現とともに紹介します。

文型	動画での表現
受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる	is included · is glued · is covered
関係詞節 who / which + 節 — 人や物について情報を加える	electronic, which is · port, which is · one which means

注意したい発音

話し手はwe've, you've, don'tなど、短縮形や弱形を34回使っています。聞こえたとおりの短い形で発音しましょう。

「th」の音: enthusiast /ɪnˈθuːziˌæst/, stealth /stɛlθ/, smoothly /ˈsmuːðli/, algorithm /ˈælɡəɹɪðm̩/
「sh」と「zh」の音: flashlight /ˈflæʃˌlaɪt/, shortcut /ˈʃɔːtkʌt/, intuition /ˌɪn.tjuːˈɪʃ.ən/, insulation /ˌɪnsəˈleɪʃən/, optional /ˈɑp.ʃə.nəl/
長い単語（アクセントの位置に注意）: indicator /ˈɪn.dɪˌkeɪ.tə(ɹ)/, accessory /əkˈsɛs.(ə.)ɹi/, enthusiast /ɪnˈθuːziˌæst/, whatsoever /ˌ(h)wʌtsoʊˈɛvɚ/, illuminate /ɪˈl(j)umɪneɪt/

日本語話者が苦手な音：

/r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: holster /ˈhɒlstə(ɹ)/, reflector /ɹɪˈflɛktə(ɹ)/, reflective /ɹɪˈflɛktɪv/, respectable [ɹɪˈspɛk.tə.bl̩], regulate /ˈɹɛɡ.jə.leɪt/
/v/ — /b/ にならないように、上の歯を下唇に当てる: whatsoever /ˌ(h)wʌtsoʊˈɛvɚ/, reflective /ɹɪˈflɛktɪv/, vicinity /vəˈsɪnəti/, convenient /kənˈviː.niənt/
/f/ — 「フ」ではなく、上の歯と下唇で出す: flashlight /ˈflæʃˌlaɪt/, reflector /ɹɪˈflɛktə(ɹ)/, flathead /ˈflætˌhɛd/, painfully /ˈpeɪnfəli/, reflective /ɹɪˈflɛktɪv/

この動画での練習方法

まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
自分の声を録音して元の音声と比べます。flashlight, beam, lumenなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →

シャドーイング練習: Acebeam L16 v2.0 Review - Long Range Tactical Flashlight - 動画で英語スピーキングを学ぶ

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