|
Post by potatojudge on May 6, 2022 22:04:21 GMT -5
|
|
|
Post by bushog on May 7, 2022 7:00:12 GMT -5
What Tater said...
|
|
|
Post by bigbrowndog on May 7, 2022 10:27:49 GMT -5
“Light gathering” isn’t a correct moniker, the ability to allow light to be passed to the eye is a matter of lens coating and glass quality. The accepted means of “light transmission” is expressed as “exit pupil” size. The human eye pupil typically will not expand any larger than 8-7mm, so any exit pupil larger than that has light being transferred beyond the pupils capability. A layman’s way of figuring optimal exit pupil is dividing objective size by magnification, a 50mm Obj. divided by 4 magnification = 12.5, so you actually lose light getting to your pupil. Whereas a 50mm Obj. divided by 6 magnification = 8.3, pretty much optimal. Before illumination became affordable and popular, before IR or Thermal, Europeans were hunting the fields at night with 8x56mm fixed power scopes, because it provided optimal light transmission and was a perfect combination of magnification, visual acuity, and light transmission. When figuring objective size you need to know the actual lens size and not the exterior tube measurements. Another thing to consider when using an illuminated optic is the size of the illuminated part inside the optic, a large area will create glare inside the tube and defeat the purpose.
Trapr
|
|
|
Post by cas on May 7, 2022 16:09:27 GMT -5
What's the price range you're looking at?
Trijicon sells a lot of illuminated reticle scopes, but the 30mm tubes seem to be low power, 24mm objective lens or much higher power models, 50mm and the like.
The 3x9x40-ish ones are 1" tubes.
Meopta does 1.7x10 x42 (I typed that, then went and priced them. Weeee... I guess I hadn't priced a Meopta in a while. wow)
|
|
|
Post by cowpuncher on May 7, 2022 16:13:46 GMT -5
Nightforce SHV 3-10x42 illuminated. They offer a illuminated duplex or illuminated moar reticle. $985.00
|
|
|
Post by kevshell on May 7, 2022 19:50:25 GMT -5
Not sure if it's what you're looking for - I got the Leupold HD6 with the red dot in the reticle. Initially I did not want a red dot but now after hunting with it, the light gathering is great and the red dot is very useful.
|
|
|
Post by bradshaw on May 8, 2022 10:33:28 GMT -5
“Light gathering” isn’t a correct moniker, the ability to allow light to be passed to the eye is a matter of lens coating and glass quality. The accepted means of “light transmission” is expressed as “exit pupil” size. The human eye pupil typically will not expand any larger than 8-7mm, so any exit pupil larger than that has light being transferred beyond the pupils capability. A layman’s way of figuring optimal exit pupil is dividing objective size by magnification, a 50mm Obj. divided by 4 magnification = 12.5, so you actually lose light getting to your pupil. Whereas a 50mm Obj. divided by 6 magnification = 8.3, pretty much optimal. Before illumination became affordable and popular, before IR or Thermal, Europeans were hunting the fields at night with 8x56mm fixed power scopes, because it provided optimal light transmission and was a perfect combination of magnification, visual acuity, and light transmission. When figuring objective size you need to know the actual lens size and not the exterior tube measurements. Another thing to consider when using an illuminated optic is the size of the illuminated part inside the optic, a large area will create glare inside the tube and defeat the purpose. Trapr ***** Second your info with a footnote: I like a large exit pupil, one to exceed my eye... and I demand a LARGE OCULAR LENS of a binocular or spotting scope, as proven i peripheral field and emphatically superior for spotting game and for coaching/spotting in silhouette. A proper scope, binocular, or spotting scope also has EYE RELIEF to compliment eyewear and peripheral vision downrange. These are reasonable demands of sharpshooting which even high dollar manufacturers lose sight of. To underline your 8x56mm scope observation, the only high magnification rifle scope I found to be fast in the woods is a Schmidt & Bender 8x56mm on 30mm tube, which threw uncanny clarity up close and on movement. The S&B 8x56 has a German #4 reticle----thick bars @ 9, 3, and 6 o’clock----which throw the eye focus to center, much as an illuminated dot. Back to normally aspirated scopes, add the devilish detail to eye relief, a given. David Bradshaw
|
|
|
Post by bigbrowndog on May 8, 2022 13:20:53 GMT -5
Ironically I have a 3-12x 56mm optic with a Euro #4 type reticle and it is not as bright an optic as I would have preferred. It is a 30mm tube, it just doesn’t quite cut it for low light use. There is something about good Euro built 8x56 scopes, even with a euro #1 reticle they are great hunting reticles, my preference is for the Euro #4 David mentions. My 56mm scope is an American version and it doesn’t quite make the grade of quality Euro optics, but it is from the 80’s.
Trapr
|
|
|
Post by bradshaw on May 8, 2022 15:14:44 GMT -5
As distribution of European scopes expanded, American shooters attributed their clarity and low-light.advantage to a larger, 30mm tube. Several American manufacturers got on the 30mm tube wagon. I asked some tech folks how much a 30mm tube enhanced transmission over a 1-inch tube. “We use the same erector tube in both,” said one. “The 30mm tube provides room for more elevation and windage adjustment.”
A problem arises when increasing adjustment inside the tube. Light entering the objective lens must bend, do a dog-leg, before it exits the ocular lens. Bending light waves also bends the shooter’s mind. The problem is compounded when the bore axis sets at an angle to the receiver axis. David Bradshaw
|
|
|
Post by bigbrowndog on May 8, 2022 15:35:08 GMT -5
That issue of 1” compared to 30mm exists today, many big scope shooters using 34mm or 35mm believe the same way shooters did about 30mm over 1”. Yet the glass and ID of most if not all of the big tube scopes are in fact using the same lens as the 30mm tubes. And yes it completely drives folks bonkers when you try and explain to them that they are not looking straight through the scope tube.
Trapr
|
|
|
Post by potatojudge on May 8, 2022 15:41:18 GMT -5
Recknagel swing mounts allow for quick removal of this 8x56 illuminated Swarovski. Surprisingly gives up very little to variable power scopes. I find older 6x Zeiss are much more restrictive in their field of view compared to this.
|
|
|
Post by bushog on May 8, 2022 17:19:57 GMT -5
The 4A is for sure my choice and Swarovski glass unless it really doesn't matter
|
|