Peep Sight Line Up

[Marcus26]

Originally Posted by Adam

Don't do it Marcus. It's such an inexact science. The scope/sight is finely calibrated and carefully machined: the peep's just stuck in a bit of string. Best left alone in my opinion.

Adam

That's my feeling on it, however I have a mate who has shot 1400+ quite a few times who does this which got me thiking..........

[geoffretired]

I shoot 20 yards and 180 yards for clout. The peep is either spot on for 20 or spot on for 180 bit it can't fit both if the reference positions stay the same. You are looking through the same hole but at a different angle. Most archers would settle for some sort of compromise that gave as many good results as possible. There are other ways round this but they may not be worth all the extra compexities.
All the best
Geoff

[AH0RSEY]

something amazing happened yesterday.....after taking note of people mentioning 'take your glasses off to shoot', for the first time looking thru the peep at the gold ( via .75 Beiter )....it was clear..... so thanks, it does help clarify the target to use just peep/scope...instead of glasses/peep/scope.

[pwiles1968]

Originally Posted by Marcus26

What Rik is saying does occur, but it's up to you on what you do about it.
I have been contemplating moving my peep down a touch for 90m and 70m.

Good thread.

Marcus what are you doing now? leaving it or moving it a little?

I ask as I noticed tonight exactly what Rik had drawn my, peep is only perfectly placed for 1 scope setting, for anything else I either need to move my draw hand position a little or change the tilt on my head to line up, I guess this will be more noticeable on short axle bow or if you have a long draw as the peep is further away from your eye.

This is really noticeable if you hold full draw with site set in the middle of the range, now try and move the site out of the peep hole view above or below without moving your hand or or your head I cant do it? does this mean form changes slightly at different distances in order to accommodate the peep to sight alignment or am I missing something.

I don't know what do do now

[greydog]

I've found the scope can sit low in the peep at the longer distances, especially as I have my sight extension all the way out, I have to say I agree with Rik on this one (although the point about pupil dilation is valid and noticeable on those days when there is patchy cloud and sunshine)
Getting the correct size aperture for your sight is important. It has to be big enough for the scope to sit just inside so that any sideways torque will be noticeable. Too big and your scope can float around, the same will happen if you can't see the outside edge of your sight through the peep ( this is where pupil dilation in different light conditions can mess you around )

I've found the best compromise is to adjust the peep sight for my 70M sight mark (or 60 YRDS will do) that seems to let the sight settle in the peep at all distances. If you set it up on your 20 yrd sight mark then shoot 90m, you may find that you start moving your trigger hand down to see the sight clearly and you get a less consistant anchor point.

[OpaNL]

I just wondered about the amount of offset so I took my measurements..

Merlin SN speed: 240 f/s
Peep to scope center: 86 cm
distance between 18 and 90 m sightemarks: 5.4 cm
distance peep to eye: 7 cm

If you do the math for a 18 to 90 meter range the worst case result is that if I would sight in and set my peep at 18 meters, the peep is 3.75259 mm higher than it should be at 90 meters.
However, if you put the peep in with the sight set at 50 it would half the offset to about 1.8 mm max plus or minus.

[geoffretired]

When you adjust the front sight on a compound, lower to shoot further, as Adam said, you raise the platform so they all line up again. What happens when the platform is raised?The drawing hand wants to remain in its place. The bow is raised, the top cam/wheel moves up a little and slightly closer to the archer's eye. The peep moves with the string, not as far as the top cam/wheel, but enough to make its movement detectable by the eye. To re-align the peep and the eye, requires an adjustment of the hand or the peep. The required hand movement is very slight, so many do it without ever noticing. Moving the peep is possible but often not worth the effort. If you want to check this out just come to full draw, look through your peep and raise then lower the bow as if shooting different distances in close succession. You will see the peep moving as the bow is raised and lowered.

[Marcus26]

Originally Posted by pwiles1968

Marcus what are you doing now? leaving it or moving it a little?

OK I will admit I have been lazy in this area.
A few weeks ago I decided to set my peep so I had a correct anchor at 90m. This means I am now quite high at 50m and lower.
My scores did not improve at 90m. Have changed arrows to ones tat group better and yesterday shot my best 90m score in years.
I think Grey Dog's approach is good, setting everything at 70m and from someone who delayed doing this, it certainly is worth it.
Many of the 1400+ guys are currently shooting very high 90m anchors and have moved their sights in to make the distance.

[Jerry Tee]

I found this peep sight alignment for different ranges so bad I decided to do without completely relying on a solid anchor point.

[Rik]

There was a recent posting on Sagi about this, where someone suggested that people move their peeps for different distances (make marks on the string - a mini pee-sight scale). I have to say this sounds a little impractical to me, but I guess if it floats their boat...