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Are 34mm scopes the latest 'thing'.


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46 replies to this topic

#1 NeilMac

 
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Posted 15 November 2017 - 05:33 PM

I have asked for and been offered a Delta scope to review in a few weeks, and looking up the spec it has a 34mm tube, as does the 80 mag March and as do most of the S&B scopes.

 

So my question to those in the know.. which I am not, is: Is there a real advantage to 34mm tubes on scopes?

 


#2 holly

 

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Posted 15 November 2017 - 06:10 PM

I know they will be heavier Neil . maybe if they were made in carbon fibre ??? HOLLY



#3 NeilMac

 
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Posted 15 November 2017 - 06:31 PM

I wouldn't have thought carbon was any good for scope tubes, not unless the whole body was made of the stuff and that would be both difficult and expensive.

 

There must be a reason why manufacturers are moving to 34mm, I just wonder if it is just a ploy, like disc brakes and through axles on road bicycles.... mtb's yes, but not road bikes.



#4 AndyIoW

 
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Posted 15 November 2017 - 06:37 PM

Probably something like more light can pass through giving a brighter image.

Well that's my thought and sounds plausible. Anyway itsonly about as much of an increase as it was from 1" to 30mm tubes (4.6mm)

#5 Eaton Rifles

 
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Posted 15 November 2017 - 06:46 PM

Absolutely nothing to do with extra light passing through as the erector tube is still the same size regardless, but everything to do with extra turret adjustment and fashion.
I wonder how these boys would have fared with my old 6-24 Tesco with it's miserly 1" tube...:grin:

#6 robF

 
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Posted 15 November 2017 - 07:26 PM

Yep, light transmission nothing to do with it. It just allows more elevation travel.

 

IOR do a 40mm.



#7 springboy

 

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Posted 15 November 2017 - 07:39 PM

Probably more to do with charging £150+ for a set of mounts.

#8 NeilMac

 
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Posted 15 November 2017 - 07:43 PM

Probably more to do with charging £150+ for a set of mounts.

Yeah, that's the bit that stings, even more as I like adjustable mounts.

 

 

So it is just about elevation then.... right.



#9 holly

 

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Posted 15 November 2017 - 08:28 PM

American optics used carbon fiber . yes they were expensive . and from what i hear some of em leaked water ??? HOLLY



#10 RN10

 
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Posted 15 November 2017 - 08:45 PM

Disc brakes on a road bike are stunning.

#11 holly

 

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Posted 15 November 2017 - 08:48 PM

:offtopic: Whoa Keith now you will have Steve the thought police after you . off topic . oh dear ??? HOLLY  :offtopic:



#12 Eaton Rifles

 
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Posted 15 November 2017 - 09:39 PM

Probably more to do with charging £150+ for a set of mounts.


Unless you buy a March where you usually get a set with the scope unless you've upset them....:grin:

#13 NeilMac

 
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Posted 15 November 2017 - 10:03 PM

Disc brakes on a road bike are stunning.

Same contact patch, disc or rim and through axles? On a road bike?

 

Marketing bollx just to get you to buy another bike.

 

Anyway, what do you need disc brakes for? You haven't got any proper hills down in the South East.



#14 robF

 
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Posted 15 November 2017 - 10:37 PM

Probably more to do with charging £150+ for a set of mounts.

Don't see why, mine were nothing like that.



#15 robF

 
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Posted 15 November 2017 - 10:43 PM

 

Disc brakes on a road bike are stunning.

Same contact patch, disc or rim and through axles? On a road bike?

 

Marketing bollx just to get you to buy another bike.

 

Anyway, what do you need disc brakes for? You haven't got any proper hills down in the South East.

 

Mine is about 20mm. I don't think my rims are. Definitely better than hub or rim brakes. Probably why motorbikes threw the other methods in the bin 50 years ago. Don't need hills when you can put 400W+ down on the flat. :D

But then cycling is full of a load of old huff... loads of nonsense about weight saving and aero and then you go and throw a brake calliper on the front of a set of forks and then worry about the seat stem shape. Don't go mentioning titanium, ally and cf when you've thrown on a set of arm warmers and gels after having a macdonald's the day before.

Still shooting is the same. 



#16 DTM

 
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Posted 15 November 2017 - 11:38 PM

delta optic review LINKY 5-50 starts at 36 minutes


Edited by DTM, 15 November 2017 - 11:50 PM.


#17 holly

 

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Posted 16 November 2017 - 12:45 AM

getting tech here now . all i have on my turret is six different colours ??? HOLLY



#18 sportsmatch

 
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Posted 16 November 2017 - 11:54 AM

I had a quick look through the 5-50 delta a few weeks ago. I think you will be in for a nice surprise Neil with the glass its far superior to Nikko and Sightron its heavy like the Nikko may even be a fraction heavier

Edited by sportsmatch, 16 November 2017 - 11:55 AM.


#19 Eaton Rifles

 
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Posted 16 November 2017 - 12:14 PM

Yea the Stryker does look like a very welcome choice to the FT arena.



#20 RN10

 
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Posted 16 November 2017 - 12:57 PM

Neil I will show up some hills if you are in Kent some time. I lost all my confidence going down hill after i got front wheel wobble twice at speed and with discs I do not have to worry about blowing a tyre with heat build up with rim brakes.does make me smile how stressed people can get with £2000 cardon wheels with rim brakes if it rains.

#21 Eaton Rifles

 
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Posted 16 November 2017 - 01:16 PM

 

Disc brakes on a road bike are stunning.

Same contact patch, disc or rim and through axles? On a road bike?

 

Marketing bollx just to get you to buy another bike.

 

Anyway, what do you need disc brakes for? You haven't got any proper hills down in the South East.

 

 

Bluebell hill would get you puffing Neil...:grin:



#22 PelletOnPellet

 
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Posted 16 November 2017 - 01:17 PM

It does look interesting, be interested in your findings.



#23 NeilMac

 
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Posted 16 November 2017 - 01:45 PM

All hills get me puffing Colin, it is just how long I can keep puffing that dictates how high I can climb. First proper try out of the year is usually HONC, that's normally around 4,000ft in 35 miles, all off road.

 

Martin, the offer came out of a conversation withe John at Opticsfunhouse, we were talking about the Kahles 1050FT (which I reviewed a while ago) I was not really aware of the Delta but I've looked at the specifications and it seems like it could be a worthwhile addition to the FT marketplace. It weighs in at a kilo (2.2lbs) so is no lightweight, but acceptable, I will find out soon.

 

Keith I have a very expensive pair of Zipp wheels boxed up in my garage (my son's) because the local roads are so poor in places he is sure they will get damaged beyond repair. Whatever get's you safely down hill is good with me and discs on CX bikes and mtb's make perfect sense, I just think they are overkill on road bikes and will cause more than a few tumbles in the hands of people who no nothing about modulation and the limits of grip. 



#24 robF

 
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Posted 16 November 2017 - 02:00 PM

I hadn't quite worked out you were talking road bikes Neil... that's a whole kettle of fish of illogic that doesn't know where to stop (no pun intended). Road cycling is like a mass delusion sport on the scale that FT could never hope to achieve. You could probably make a living out of polishing the inside of rims for better air resistance. It follows the same logic of rotating compression tubes so it's a proven technology with room for upscale in a new sport. :D



#25 PelletOnPellet

 
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Posted 16 November 2017 - 02:08 PM

Neil, I had no idea, are you a Mamil?



#26 NeilMac

 
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Posted 16 November 2017 - 02:11 PM

I hadn't quite worked out you were talking road bikes Neil... that's a whole kettle of fish of illogic that doesn't know where to stop (no pun intended). Road cycling is like a mass delusion sport on the scale that FT could never hope to achieve. 

Yup, that's about the size of it.


Neil, I had no idea, are you a Mamil?

Oh yeah, and proud of it.... it's all about the cake you know.



#27 Eaton Rifles

 
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Posted 16 November 2017 - 02:13 PM

I hadn't quite worked out you were talking road bikes Neil... that's a whole kettle of fish of illogic that doesn't know where to stop (no pun intended). Road cycling is like a mass delusion sport on the scale that FT could never hope to achieve. You could probably make a living out of polishing the inside of rims for better air resistance. It follows the same logic of rotating compression tubes so it's a proven technology with room for upscale in a new sport. :D

 

And that's before you get to the whole separate sport of wether to shave or Imac the legs/arms or not....:rolleyes:



#28 robF

 
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Posted 16 November 2017 - 02:35 PM

That's a simple one to answer.



#29 Eaton Rifles

 
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Posted 16 November 2017 - 02:42 PM

That's a simple one to answer.

 

Yep agreed, the infernal itching is a small price to pay for that 0.00001mph increase in speed....:grin:



#30 PelletOnPellet

 
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Posted 16 November 2017 - 02:47 PM

 

That's a simple one to answer.

 

Yep agreed, the infernal itching is a small price to pay for that 0.00001mph increase in speed.... :grin:

 

 

You can get  0.000023 mph if you lightly grease with a teflon based lubricant.






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