bladeracer wrote:This is the scope I'm currently running on the Crosman.
https://www.ebay.com.au/itm/1X-3-9x40-Air-Rifle-Gun-Optics-Sight-Hunting-Scope-Sight-Black-P3F1/292787968634?hash=item442b85da7a:g:X2sAAOSwvhxb0jpA&frcectupt=trueCost me $30.61 delivered.
It has capped turrets which I normally hate, but I don't expect to have to alter these once it's zeroed.
I haven't tried to work out what the reticle graduations are as I hadn't planned on using it past about 30m, and the .177 shoots pretty much dead flat to that distance so holdover marks really aren't required. If I remember to take it up with me sometime I'll put it onto an A4 sheet at 100m to measure the graduations.
For a rough guestimate, that post is at 18m, and the cuphead bolts are 22mm diameter. Scaling the photo would indicate the hash marks are at 100mm at 100m, so mils rather than minutes. You can see in the photo how far I had to wind out the ocular to get it focused, which was a worry.
Just got the call that my PtA finally came through, so into town to pick up the 10/22 air-rifle now
I had a play with this scope again as I was going to swap it onto the Ruger air-rifle. It was in dovetail rings on the Crosman so I decided to toss an old 6-24x50 Chinese Bushnell on it instead, so I could shoot both air-rifles together.
I've been using the Crosman to plink tenth-scale silhouettes (in their general direction at least, they're tiny targets!). After 160-odd shots with the Ruger of the bench at 12.5m, I switched to the Crosman for a play. I was shooting reasonably well initially, but noticed the groups starting to throw some really wide fliers, so wide I was assuming I'd inadvertently aimed at the wrong dot on the page. I wound the scope up from three-power to nine-power and then noticed how much parallax error I was seeing. The target dots are 14mm, and moving my head around, I was seeing the reticle moving around an area of about 30mm...at 12.5m, something like 8 minutes of parallax error - possibly the most I've ever seen. I wound it back down to three-power, and wound the focus ring back in until focus was acceptable rather than good. I don't know if the focus has any effect, but to focus the targets I'd had the ocular wound out about 10mm. The groups still seemed to be vertically elongated though, so I swapped on the Bushnell from the Ruger. I think the $60 Bushnell is a significantly better scope than this $30 one, at least for close-range air-rifle shooting. I'll have to take it out one day on a .22LR and see how it performs at longer ranges.
I think the $8 ebay 4x20 is better than this 3-9x40 for close-range.
https://enoughgun.com/forum/viewtopic.php?f=4&t=11226#p185766