Yeah - kind of the same. The extender just (effectively) doubles your focal length, and you retain the same range of focus.
Tubes keep the same focal length, but reduce the minimum focusing distance.
The two can be used at the same time.
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Bombs away ??? 
Fortunately not flying overhead!!
@OzoneVibe
Been playing today, it’s tougher than I thought, super steady hand needed that’s for sure.
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TRIPOD!
The depth of field is so reduced, hand held doesn’t usually work.
Also, the magnification also “magnifies” any lateral movement.
Need BRIGHT light and a minimum of 1/250th to hand hold.
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Bloody fly wouldn’t stay still enough for me to track with a tripod lol.
Looking forward to trying some more though. see what you’ve started now 
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Absolutely love the Robin photo Steve 
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Thank you mate, One of my favourite birds.
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If you can get the light bright enough, and you have to hand hold, chances are your camera has burst mode … and set that moderately high.
That increases the chance of one of them both being in focus and between hand wobbles.
One of these ring lights is useful … (brighter are available - flash, too, but £££)
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Excellent, thank you mate.
I’ve definitely seen burst mode on my camera so I’ll play with that too 
Chloroform and Ether work, too … they stop moving quite soon. 
#Don’tTryThisAtHome
On the bugs - not yoursef! LOL!
EVERYTHING stops moving if applied to yourself. … I’m told.
Another way of doing it is to catch your fly and stick him in the freezer for a wee while. Bring him back out and pose him as you will. Once he warms up he will be back to his fighting glory.
One thing I was contemplating as a student - in the days of hand-wound Bolex cine cameras was a time lapse. It would have involved going to a fishing tackle shop and getting red. blue and natural gentles (fly larvae, maggots) and whacking them in a freezer.
With a great deal of patience make a union flag out of the three colours of maggot, switch on the studio lamps and sit, taking on frame every second or so. As the maggots hatch into flies the flag will lose definition and eventually disappear. Play the film at the normal 24 fps and entitle it "Dissolution of the Empire.
The result? Either a first=class degree or expulsion from the photography course, depending on how successful clearing a swarm of adult house flies from the studio had been!
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Tripod?
I was a bit late lol should have read the rest of the thread!
I’ve not seen any cygnets on our canal yet!
Lots of different flavours of baby geese, but no sign of any young swans as yet.
Great photo Barrie @MA2flyer
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