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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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OT - 'scope for pellet gun
I found a Crosman 66 "Powermaster" at the dump. It works fine but I
have a big problem: my old eyes can't focus on the sights & the target at the same time. I'm thinking that a 'scope would solve the problem. I don't need much magnification & the gun is low value ($50 - 60 new), so I don't want to put out a lot of money. Anybody have a recommendation for a low-cost scope that isn't a POS? Or, which ones are POS's that I should avoid? Or, is it not possible to get a low-cost scope that isn't a POS? Thanks, Bob |
#2
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OT - 'scope for pellet gun
On Fri, 13 Feb 2009 11:48:10 -0500, Bob Engelhardt
wrote: I found a Crosman 66 "Powermaster" at the dump. It works fine but I have a big problem: my old eyes can't focus on the sights & the target at the same time. I'm thinking that a 'scope would solve the problem. I don't need much magnification & the gun is low value ($50 - 60 new), so I don't want to put out a lot of money. Anybody have a recommendation for a low-cost scope that isn't a POS? Or, which ones are POS's that I should avoid? Or, is it not possible to get a low-cost scope that isn't a POS? Thanks, Bob http://www.opticsplanet.net/riflescopes-by-price-1.html Tasco is now owned by Bushnell. I have a Tasco on my pellet rifle and have found it to be very satisfactory. |
#3
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OT - 'scope for pellet gun
"Bob Engelhardt" wrote in message ... I found a Crosman 66 "Powermaster" at the dump. It works fine but I have a big problem: my old eyes can't focus on the sights & the target at the same time. I'm thinking that a 'scope would solve the problem. I don't need much magnification & the gun is low value ($50 - 60 new), so I don't want to put out a lot of money. Anybody have a recommendation for a low-cost scope that isn't a POS? Or, which ones are POS's that I should avoid? Or, is it not possible to get a low-cost scope that isn't a POS? Thanks, Bob Among the things I was left from a machinist's estate was a Chinese pellet rifle. I found I had the same problem, my old eyes couldn't resolve the front sight. Among the other things left over was a bsa red dot sight. The battery powered gizmos with no magnification. I didn't think much of them when they first came out, but it proved to be just the thing for old eyes and plinking distances. You can scrounge them, used, on ebay for less than $20. You will probably also need a dovetail adapter. Paul K. Dickman |
#4
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OT - 'scope for pellet gun
Don Foreman wrote:
http://www.opticsplanet.net/riflescopes-by-price-1.html ... Wow - Tasco as little as $6.19. Not that I'd cheap-out for it. Especially since it's only 15mm. Thanks, Bob |
#5
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OT - 'scope for pellet gun
Gunner Asch wrote:
... https://www.sportsmans-depot.com/pro...Dot-Sight.html Kmart/Walmart often sell these sights for under $15 ... Thanks for the link & the other advice. I'd heard about "red dot", but didn't know what it was. I Googled it & it sounds cool. I ordered the one above: $23 shipped. Bob |
#6
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OT - 'scope for pellet gun
On Fri, 13 Feb 2009 21:20:21 -0500, Bob Engelhardt
wrote: Gunner Asch wrote: ... https://www.sportsmans-depot.com/pro...Dot-Sight.html Kmart/Walmart often sell these sights for under $15 ... Thanks for the link & the other advice. I'd heard about "red dot", but didn't know what it was. I Googled it & it sounds cool. I ordered the one above: $23 shipped. Bob Red Dot and Holo are actually two different things, but both put a red dot in your view as a sight. Let us know how it works out. Gunner "If the personal freedoms guaranteed by the Constitution inhibit the government's ability to govern the people, we should look to limit those guarantees." Bill Clinton 1993-08-12 |
#7
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OT - 'scope for pellet gun
Bob Engelhardt writes:
I'm thinking that a 'scope would solve the problem. A pinhole rear sight is the old-fashioned scope. |
#8
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OT - 'scope for pellet gun
Gunner Asch writes:
... how-do-holographic-sights-work.html Whether or not this device performs well, the explanation is bogus, nothing to do with holography. |
#9
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OT - 'scope for pellet gun
On Fri, 13 Feb 2009 23:38:08 -0600, Richard J Kinch wrote:
Gunner Asch writes: ... how-do-holographic-sights-work.html Whether or not this device performs well, the explanation is bogus, nothing to do with holography. Or at least a very confused view of holography. Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. -- http://www.wescottdesign.com |
#10
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OT - 'scope for pellet gun
Tim Wescott writes:
Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Indeed, optical metrology is based on this being false. Or that a holographic reticle specially solves this (non- existent) problem. The is essentially just a lighted reticle. They're both just virtual afocal images, differing in their sourcing methods. |
#11
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OT - 'scope for pellet gun
On Feb 13, 9:48*am, Bob Engelhardt wrote:
I found a Crosman 66 "Powermaster" at the dump. *It works fine but I have a big problem: my old eyes can't focus on the sights & the target at the same time. *I'm thinking that a 'scope would solve the problem. I don't need much magnification & the gun is low value ($50 - 60 new), so I don't want to put out a lot of money. *Anybody have a recommendation for a low-cost scope that isn't a POS? *Or, which ones are POS's that I should avoid? *Or, is it not possible to get a low-cost scope that isn't a POS? Thanks, Bob For pigeons, my favorite is an el-cheapo laser, Crosman had these at wally world for about $20 with the mount. Put the dot on the roosting winged rat, pull the trigger and instant cat meat. The split second between shouldering the rifle and getting the sight picture was often enough time for the blasted things to take off. Firing from the hip saved the day. Stan |
#12
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OT - 'scope for pellet gun
On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch
wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Then parallax really isnt true? "Upon Roosevelt's death in 1945, H. L. Mencken predicted in his diary that Roosevelt would be remembered as a great president, "maybe even alongside Washington and Lincoln," opining that Roosevelt "had every quality that morons esteem in their heroes."" |
#13
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
Gunner Asch wrote:
On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Then parallax really isnt true? Apparently he's never shot at rockchucks at extreme ranges . And the scope makers have added the parallax adjustment feature just to run the price up . -- Snag every answer leads to another question |
#14
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
"Terry Coombs" wrote in message ... Gunner Asch wrote: On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Then parallax really isnt true? Apparently he's never shot at rockchucks at extreme ranges . And the scope makers have added the parallax adjustment feature just to run the price up . On my Unertl, the parallax adjustment also adjusted the focus. Rifle scopes are a compromise; if the plane of focus always corresponded to the plane of the crosshairs, you would see no parallax. Some target scopes have an adjustable parallax feature, or had it at one time. -- Ed Huntress |
#15
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OT - 'scope for pellet gun
Ed Huntress wrote:
"Terry Coombs" wrote in message ... Gunner Asch wrote: On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Then parallax really isnt true? Apparently he's never shot at rockchucks at extreme ranges . And the scope makers have added the parallax adjustment feature just to run the price up . On my Unertl, the parallax adjustment also adjusted the focus. Rifle scopes are a compromise; if the plane of focus always corresponded to the plane of the crosshairs, you would see no parallax. Some target scopes have an adjustable parallax feature, or had it at one time. The only scope I own that doesn't have it is the bargain basement 3-9X that is on the 30-06 I inherited from Dad . At 400+ yards , with small targets , it's essential . Thus my comment about rockchucks . -- Snag every answer leads to another question |
#16
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
"Terry Coombs" wrote in message ... Ed Huntress wrote: "Terry Coombs" wrote in message ... Gunner Asch wrote: On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Then parallax really isnt true? Apparently he's never shot at rockchucks at extreme ranges . And the scope makers have added the parallax adjustment feature just to run the price up . On my Unertl, the parallax adjustment also adjusted the focus. Rifle scopes are a compromise; if the plane of focus always corresponded to the plane of the crosshairs, you would see no parallax. Some target scopes have an adjustable parallax feature, or had it at one time. The only scope I own that doesn't have it is the bargain basement 3-9X that is on the 30-06 I inherited from Dad . At 400+ yards , with small targets , it's essential . Thus my comment about rockchucks . -- Snag every answer leads to another question Yeah, that's what I suspected. I've only owned two scopes in the last 45 years, so I don't like to generalize. It dates me. d8-) -- Ed Huntress |
#17
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
Bob Engelhardt wrote:
I found a Crosman 66 "Powermaster" at the dump. It works fine but I have a big problem: my old eyes can't focus on the sights & the target at the same time. I'm thinking that a 'scope would solve the problem. I don't need much magnification & the gun is low value ($50 - 60 new), so I don't want to put out a lot of money. Anybody have a recommendation for a low-cost scope that isn't a POS? Or, which ones are POS's that I should avoid? Or, is it not possible to get a low-cost scope that isn't a POS? Thanks, Bob I bought a scope here after stray dogs kept spreading my trash all over the neighborhood: http://urlxp.com/go/sjohnsonpic4 |
#18
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13 y.o. "steven jhohnson" getting sophomoric kicks, again
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#19
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch
wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Indeed, optical metrology is based on this being false. Then what's true of optical metrology isn't entirely true with rifle scopes. I'll defer to you on optical metrology but I do know a little about riflescopes. The relative apparent positions of reticle and LOS to target are independent of eye position only when the target image plane is coplanar with the reticle. Otherwise there is "parallax", which is not the same as parallax resulting from the scope's LOS being above the bore axis. Some riflescopes have adjustable objectives (AO) that enable the user to focus the target image in the same plane as the reticle. The process is: first focus the reticle with the eyepiece against a blank background so the eye sees it as being at infinity. Then focus the objective on the target, or something at about the same range as an expected target. This is primarily relevant to precision shooting at long ranges with high magnifications. |
#20
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
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#21
Posted to rec.crafts.metalworking
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OT - 'scope for pellet gun
On Sun, 15 Feb 2009 00:53:52 -0500, Wes wrote:
wrote: For pigeons, my favorite is an el-cheapo laser, Crosman had these at wally world for about $20 with the mount. Put the dot on the roosting winged rat, pull the trigger and instant cat meat. The split second between shouldering the rifle and getting the sight picture was often enough time for the blasted things to take off. Firing from the hip saved the day. When I was a kid in Indiana, my grandma would take the family Stevens Visible loader, put in a cb cap, and shoot them off the eaves. She would warn the upstairs renter to stay out of the front room first Grandma used iron sights. Grandpa was a lot more fun. He would take me to the maintenance building where his men worked. The birds would get in and roost high above and his men would complain about getting crapped on. Grandpa would go in every other Sunday or so and shoot them off the beams with the same rifle and cb caps. Times sure have changed since the 60's. No one raised an eyebrown then, if the grandparents were alive to do it now, a swat team would be summoned to arrest them. Wes Depends on where you are and how well you get on with your neighbors. I routinely bust tulip-eatin' rabbits with a pellet rifle and occasionally with CB's in my back yard in a suburb of Minneapolis. I have incredibly good neighbors. Maybe I'm a good neighbor too. I hope so and I try to be. |
#22
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OT - 'scope for pellet gun
On Sat, 14 Feb 2009 23:52:59 -0600, Don Foreman
wrote: On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Indeed, optical metrology is based on this being false. Then what's true of optical metrology isn't entirely true with rifle scopes. I'll defer to you on optical metrology but I do know a little about riflescopes. The relative apparent positions of reticle and LOS to target are independent of eye position only when the target image plane is coplanar with the reticle. Otherwise there is "parallax", which is not the same as parallax resulting from the scope's LOS being above the bore axis. Some riflescopes have adjustable objectives (AO) that enable the user to focus the target image in the same plane as the reticle. The process is: first focus the reticle with the eyepiece against a blank background so the eye sees it as being at infinity. Then focus the objective on the target, or something at about the same range as an expected target. This is primarily relevant to precision shooting at long ranges with high magnifications. not only primarily relevant...but CRITICALLY important at long range. A consistant stockweld at ALL TIMES is moy importanto!!! This keeps the eye in the same place each time. Gunner "Upon Roosevelt's death in 1945, H. L. Mencken predicted in his diary that Roosevelt would be remembered as a great president, "maybe even alongside Washington and Lincoln," opining that Roosevelt "had every quality that morons esteem in their heroes."" |
#23
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13 y.o. "steven jhohnson" getting sophomoric kicks, again
Bob Engelhardt wrote:
Steves wrote: ... : http://urlxp.com/go/sjohn---------- Don't bother - it's that retard again. Bob OE has an excellent system of filters , and I won't be seeing his posts anymore . That dude's sick . -- Snag every answer leads to another question |
#24
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OT - 'scope for pellet gun
Gunner Asch writes:
Then parallax really isnt true? Not if the reticle and objective image are calibrated into the same plane. The problem arises when the objective is fixed with targets of varying distance, then there is no one calibration. Camera viewfinders are essentially telescopic sights, but they don't have a parallex problem, because the focus is remade for each object. |
#25
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OT - 'scope for pellet gun
On Mon, 16 Feb 2009 02:57:06 -0600, Richard J Kinch
wrote: Gunner Asch writes: Then parallax really isnt true? Not if the reticle and objective image are calibrated into the same plane. The problem arises when the objective is fixed with targets of varying distance, then there is no one calibration. Absolutely correct. So the claim was false. Camera viewfinders are essentially telescopic sights, but they don't have a parallex problem, because the focus is remade for each object. Correct. "Upon Roosevelt's death in 1945, H. L. Mencken predicted in his diary that Roosevelt would be remembered as a great president, "maybe even alongside Washington and Lincoln," opining that Roosevelt "had every quality that morons esteem in their heroes."" |
#26
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OT - 'scope for pellet gun
On Sat, 14 Feb 2009 23:57:04 -0800, Gunner Asch
wrote: On Sat, 14 Feb 2009 23:52:59 -0600, Don Foreman wrote: On Sat, 14 Feb 2009 13:38:00 -0600, Richard J Kinch wrote: Tim Wescott writes: Try this one: http://www.ultimak.com/UnderstandingE-Sights.htm. That's better in terms of the reticle being a holographic projection instead of a virtual image. But the notion that conventional reticle telescopic sights shift when your eyepoint is off axis is false. Indeed, optical metrology is based on this being false. Then what's true of optical metrology isn't entirely true with rifle scopes. I'll defer to you on optical metrology but I do know a little about riflescopes. The relative apparent positions of reticle and LOS to target are independent of eye position only when the target image plane is coplanar with the reticle. Otherwise there is "parallax", which is not the same as parallax resulting from the scope's LOS being above the bore axis. Some riflescopes have adjustable objectives (AO) that enable the user to focus the target image in the same plane as the reticle. The process is: first focus the reticle with the eyepiece against a blank background so the eye sees it as being at infinity. Then focus the objective on the target, or something at about the same range as an expected target. This is primarily relevant to precision shooting at long ranges with high magnifications. not only primarily relevant...but CRITICALLY important at long range. A consistant stockweld at ALL TIMES is moy importanto!!! This keeps the eye in the same place each time. Gunner The stockweld, or spotweld (cheek to stock) as I was trained, doesn't matter with a scope if the AO scope is focussed on the target. A consistent spotweld is critical to accuracy when using military peep sights for long-range riflery, and it's never a bad idea so I agree with your assertion. This can result in a sore cheek now and then as I'm sure you know. Price of admission. I now don't shoot any rifles that don't start with .2, or maybe a 6 as in mm. I could if I wanted to, but I don't need to or want to. That said, if the rifle fairy were to leave me a nice M-1 or M-14 I'd betcherass enjoy it. |
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