Long Range Hunting Online Magazine

Go Back   Long Range Hunting Online Magazine > Rifles, Reloading, Optics, Equipment > Long Range Scopes and Other Optics

Long Range Scopes and Other Optics Nightforce Optics


what Rings ?

LinkBack Thread Tools Display Modes
Unread 12-16-2008, 09:33 PM
Junior Member
Join Date: Dec 2008
Posts: 6
what Rings ?

looking at buying my first nightforce, a 5.5-22x56 what size rings do i need for a strait taper barrel?
Reply With Quote

Unread 12-17-2008, 02:49 AM
Official LRH Sponsor
Join Date: Jun 2004
Location: Sacramento
Posts: 1,248
Re: what Rings ?

You can go with rings that have a center height of 1.0”. I would recommend going with the 50mm over the 56mm.

Here is some info:
The average size of a human’s eye pupil at night is 7 mm and in daylight it is about 4mm on average. If the optic give you a 7mm of exit pupil and you are using it for day use more than half the light will not reach the retina. I have also noticed if you are getting too much light and you look away you see light spots were ever you look and the targets look washedout. On a lot of my scopes I use a light reducer so I do not get the light spots and the washout is not there.

Size of bell divided by magnification = exitpupil. Hare are some examples.
The sweet spots for the 56 and the 50mm at Night and Day use.
50/7.14x = 7mm night use and for day use 50/12.5x = 4mm
56/8x = 7mm night use and for day use 56/14x = 4mm
You are really not getting much advantage over the 50mm. I feel there is a bigger disadvantage and that is you have to go with tall rings 1.00” at the low to 1.25” were the 50mm you can do 0.885”.

Mike @ CSGW
Reply With Quote


Thread Tools
Display Modes

Similar Threads for: what Rings ?
Thread Thread Starter Forum Replies Last Post
Burris Signature 30mm and 1" Rings, Leupold rings, also some bases ***SOLD*** thechamp Optics For Sale 7 03-01-2012 11:38 PM
sold lngrnghunter Optics For Sale 2 03-23-2011 08:54 PM
30 mm Rings- Burris XTR High Rings- Like New- Lightly Mounted- $35 Shipped SOLD JLamb11 Optics For Sale 2 06-11-2010 10:08 PM
Wyatts 338 lapua/RUM detachable mag and Burris Rings xtreme rings drj172 Gun Parts - Stocks, Barrels, Actions, etc. 3 03-16-2010 11:44 AM
FS..M24 Tan sling, Desert stock pack, IOR rings/bases, rings eich Guns For Sale 0 03-07-2004 08:26 AM

All times are GMT -5. The time now is 05:59 PM.

All content ©2010-2015 Long Range Hunting, LLC