bicykillgaz Posted June 1, 2011 Report Share Posted June 1, 2011 hi, i've recently stuck an optimate 8x56 on my .22lr, i'm really happy with the scope but i'm not liking the extra height i'm having to hold my head up due to the high mounts and finding it an un-natural position for me. i've gone from a 4-12x40mm bushnell to the 8x56 due to losing light quickly due to having a weak right eye, what i want to know though is if i was to go back to a smaller objective and switch to a 30mm tube instead of 25mm would it have a similar result to having a larger objective? i've seen a nice little optimate 6x44 with a 30mm tube just wondered if its worth selling the 8x56 and switching. cheers in advance atb gary Quote Link to comment Share on other sites More sharing options...
kent Posted June 1, 2011 Report Share Posted June 1, 2011 hi, i've recently stuck an optimate 8x56 on my .22lr, i'm really happy with the scope but i'm not liking the extra height i'm having to hold my head up due to the high mounts and finding it an un-natural position for me. i've gone from a 4-12x40mm bushnell to the 8x56 due to losing light quickly due to having a weak right eye, what i want to know though is if i was to go back to a smaller objective and switch to a 30mm tube instead of 25mm would it have a similar result to having a larger objective? i've seen a nice little optimate 6x44 with a 30mm tube just wondered if its worth selling the 8x56 and switching. cheers in advance atb gary The only advantage to larger tube diameter is at extreames of elivation they should give more windage, however i recon a lot of the cheaper scopes have the same internals as the 1". As regards the objective height the diameter is half the radius and the centreline that it is taken from is in the same place - no matter the diameter of tube. The larger tubes are no brighter whatsover, the lenses and coatings also the exit pupil dictate that 4x32, 6x42, 8x56 are all the same exit pupil Quote Link to comment Share on other sites More sharing options...
bicykillgaz Posted June 1, 2011 Author Report Share Posted June 1, 2011 The only advantage to larger tube diameter is at extreames of elivation they should give more windage, however i recon a lot of the cheaper scopes have the same internals as the 1". As regards the objective height the diameter is half the radius and the centreline that it is taken from is in the same place - no matter the diameter of tube. The larger tubes are no brighter whatsover, the lenses and coatings also the exit pupil dictate that 4x32, 6x42, 8x56 are all the same exit pupil thanks for the reply kent, thats sort of scuppered them plans then, i think i'll try a comb raiser and see how i get on. cheers for the reply mate atb gary Quote Link to comment Share on other sites More sharing options...
Alycidon Posted June 1, 2011 Report Share Posted June 1, 2011 In day to day usage at sensible pest control ranges there is no difference. A good quality 25mm tube is perfectly good. My last scope was 25mm and I also have 2 30mm tubes. A Quote Link to comment Share on other sites More sharing options...
stubby Posted June 2, 2011 Report Share Posted June 2, 2011 or do what I did, Im left handed, with a weak left eye, so taught myself to shoot right handed, you just need to become a leftie Quote Link to comment Share on other sites More sharing options...
bicykillgaz Posted June 2, 2011 Author Report Share Posted June 2, 2011 or do what I did, Im left handed, with a weak left eye, so taught myself to shoot right handed, you just need to become a leftie i do occasionally take shots lefthanded with a shotgun if i'm tucked with my back into a hedge and something comes out to my right so i guess it wouldn't be too bad, i've also shot clays left handed before too when i had a little trap and i actually shot better its just slower to mount but i guess that would come with practice, most my shooting is off a bi-pod or aided in some form so i guess it wouldn't be a major issue cheers stubby Quote Link to comment Share on other sites More sharing options...
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