HW/Weihrauch Aperture disks...

[specie]

Here's diopters from the early mid '50's, (maybe a second pattern Weihrauch version?), and from the mid '50's to modern times. Note how the disks get smaller, and less sophisticated with time: the knurling on rim changes, disk gets smaller, cross hatching to decrease glare changes or is deleted (I guess rubber hoods become common?).
I've seen schützen rifles from 19th century where the disk is has even larger diameter...
Yup, really trivia here!

 

[crowski]

Wow. Small world, wouldn’t want to paint it. I just came up from my shop and installed a new aperture on a 601.
I’m fascinated by these sights.

I love how on the your older models they use the stock for stability. Thanks for showing. Crow

 

[specie]

I believe that FWB 601 diopter is somewhat rare, but here's is a Karl Kenyon modified Anschutz 6702 diopter that's similar, for prone shooting?
Here's old pics of an early Weihrauch diopter, early '50's with even more oversized disk, and the Falke copy (?) with a really neat adjustable iris feature?

 

[jkingrph]

No expert, but just looking back on the internet, the FWB 601 rear sight looks a lot like a shortened(front to back)version of the sight on my FWB300s I have a newer 602 and it is a more modern looking sight plastic cover/shroud on the front of the sight which I guess helps to mitigate glare.
Most of my guns wear old Anschutz diopters, with Gehmann adjustable Iris installed. basically the 510, and a couple with 1.5x diopters, and one with color filters. One little gun a HW30 has a Williams sight with a Gehman 502 iris installed, it is the "mini" model a much smaller diameter than the larger 510, leaving a more sporter look on the gun.

 

[Swissair]

No expert, but just looking back on the internet, the FWB 601 rear sight looks a lot like a shortened(front to back)version of the sight on my FWB300s I have a newer 602 and it is a more modern looking sight plastic cover/shroud on the front of the sight which I guess helps to mitigate glare.
Most of my guns wear old Anschutz diopters, with Gehmann adjustable Iris installed. basically the 510, and a couple with 1.5x diopters, and one with color filters. One little gun a HW30 has a Williams sight with a Gehman 502 iris installed, it is the "mini" model a much smaller diameter than the larger 510, leaving a more sporter look on the gun.

Yes, the FWB 600/601 rearsight was essentially just a short-base version of the one on the 300.

 

[Swissair]

Some diopter sights on my old guns:
- Early 1960's Diana model 50M with a model 60 diopter
- 1961 Walther LG-55T
- 1993 Weihrauch HW55 CM / 11mm dovetail
- BSF S54 (guessing 1970's) with an original BSF diopter

 

[jkingrph]

Yes, the FWB 600/601 rearsight was essentially just a short-base version of the one on the 300.

Looking at it that is what I was thinking, shortened to clear that flip up loading port.

 

[Chuck-in-Ohio]

The FWB 600/601 and the FWB C60 all used the shorter base sight patterned off of the original FWB 300/300S rear sight with the long base.
The FWB 602/603, P70, and C62 all used the later FWB sight with the built in plastic sun shade.
There are also 2 different versions of the later FWB sight, a 10 or a 20 click version.

 

[jkingrph]

I have a 602, replaced the white plastic sun shade with a black one, just for asthetics, but think black would do a better job. No idea of click version, at what distance and how many clicks does it move per mm or inch or whatever their measure was.

 

[MDriskill]

Love it, keep them diopters coming!

The shrinking eye disk size, I believe, is due to a 10-meter rules change: they have all been 25mm in diameter for many years.

Preferences in how dark the rear face should be has also fluctuated since vintage days - many competitors find less contrast with the bright bit of target is less fatiguing to the eye.

Years of fooling with target air rifles have definitely turned me into a sight nut on the side. I have a few...here's some strays not currently parked on guns.

 

[jkingrph]

nice, I think I only have two not currently mounted.

Love it, keep them diopters coming!

The shrinking eye disk size, I believe, is due to a 10-meter rules change: they have all been 25mm in diameter for many years.

Preferences in how dark the rear face should be has also fluctuated since vintage days - many competitors find less contrast with the bright bit of target is less fatiguing to the eye.

Years of fooling with target air rifles have definitely turned me into a sight nut on the side. I have a few...here's some strays not currently parked on guns.
View attachment 563103

 

[marflow 777]

so you talk clicks most of the sights that Mike D is showing would be 10 clicks the one in the bottom right looks to be a FWB and it would be 20 clicks and the sights one the 600 series should all be 20 clicks
the more clicks the finer the adjustment
Diana came to the game late in their hay day with the later model 75 TO1 rifles that had the model 100 short or long sun shade and the very rear model 82 diopter which was a model 301 Elite and of course the Model 100 SSP rifle had model 100 diopters
i am not sure if Diana made the model 100 diopter or not
in any case the disc iris is a handy cap, as it gives you no adjustment, if anyone that uses a diopter or have many, a Gehmann 510 would be a starting point for an upgraded Iris the 0.9mm to 1.1mm holes in most will not cut it for older eyes and i will tell you rubber eye cups will also help but that is another subject
and Mike you win for have the most diopters but i might have more inserts and front sights LOL

 

[jkingrph]

I realize 20 clicks would be a finer adjustment, but how much should 20 clicks move poi at say 10 meters, is what I was trying to ask.

 

[Chuck-in-Ohio]

I realize 20 clicks would be a finer adjustment, but how much should 20 clicks move poi at say 10 meters, is what I was trying to ask.

This might help to explain

https://www.targettalk.org/viewtopic.php?t=48270

 

[jkingrph]

RepThanks

 

[MDriskill]

This totally non-factory get-up is one I've been shooting a lot lately. The sight is a classic US-made Redfield Olympic, originally intended for a rail on the side of A .22LR match rifle's receiver. Here it's mounted to an Anschutz SA-1411 adapter, which mates the Redfield to typical German 11mm grooves. It has a Merit adjustable-aperture eyepiece and is mounted on an HW 55 CM.

 

[jkingrph]

This totally non-factory get-up is one I've been shooting a lot lately. The sight is a classic US-made Redfield Olympic, originally intended for a rail on the side of A .22LR match rifle's receiver. Here it's mounted to an Anschutz SA-1411 adapter, which mates the Redfield to typical German 11mm grooves. It has a Merit adjustable-aperture eyepiece and is mounted on an HW 55 CM.

View attachment 563244

Ah yes, I can remember using one of those a little over 60 years ago when on a ROTC rifle team. I would like to get one set up with an adapter like just for nostalgia.

 

[MDriskill]

Those Anschutz adapters are still around. I snagged this older one off an auction site, and I think a newer version is still made.

The one issue I had was the Redfield didn't adjust quite low enough, so had to raise the front sight. Ended up with an Anschutz front tunnel on a Walther riser on my Weihrauch barrel...kinda amazed that worked! Gives a confortable heads-up sighting position.

 

[Chuck-in-Ohio]

Go on the bay and search 'anschutz sight'
You will see redfield to anschutz adapters for sale, not cheap, but for sale.

Be prepared for the prices that good condition Redfield International, or Olympic model sights bring now.........

 

[Chuck-in-Ohio]

This totally non-factory get-up is one I've been shooting a lot lately. The sight is a classic US-made Redfield Olympic, originally intended for a rail on the side of A .22LR match rifle's receiver. Here it's mounted to an Anschutz SA-1411 adapter, which mates the Redfield to typical German 11mm grooves. It has a Merit adjustable-aperture eyepiece and is mounted on an HW 55 CM.

View attachment 563244

The fun part of a sighting system like that is the impression that it gives others who are not initiated into the precision side of rifle shooting.
The apparent mechanical complexity lends itself to the belief that you must be a degreed engineer or mathematician to hit the target, and the associated lingo involving sight radius, aperture size, front sight size, and diopter correction thickens the air of mystery.

I know that I have mentioned it before, but your Redfield looks completely at home on that rifle. The rifle looks like business, and does so naturally.