Opti-Tekscope Digital USB Microscope Camera

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Author	Replies: 6 / Views: 6,213
Jovian Valued Member United States 147 Posts	Posted 12/04/2016 1:16 pm Alright, I just got this USB Microscope/Camera yesterday. Major points, it is very clear and has a wide focal range. This seems to be a very good scope. Especially for the cost of $77.00. There are som detractors that are not hard to work around. So far the software seems to be limited. While in preview you can resixe the image window, but it distorts the proportions. You must readjust the proportions or carefully move the corner to resize. The overall images are great. See below this is a Dime I pulled from yesterdays change: Overall Date and Initials Initials Tiny Cud/Chip on rim below date Report this Post to the Staff

CoinCollectic New Member Canada 32 Posts	Posted 12/04/2016 1:45 pm Nice! Especially for the price. I've been desparetly searching for an affordable one due to vision problems. Would you mind sharing the brand/ model number for this? Report this Post to the Staff
Jovian Valued Member United States 147 Posts	Posted 12/04/2016 2:47 pm Better yet, here is the Amazon page. This is not an affiliate link. https://www.amazon.com/Opti-Tekscop...pti-tekscope Report this Post to the Staff
Debrajc Pillar of the Community United States 4211 Posts	Posted 12/04/2016 4:30 pm Very nice Jovian! I need to research this option for myself Report this Post to the Staff
Numisma Pillar of the Community United States 4963 Posts	Posted 12/04/2016 5:05 pm I have one of these that I bought on Amazon last year. It works well for taking pictures, especially close-ups, although as you zoom out it loses some quality. All in all, it's a good buy. Report this Post to the Staff
pepactonius Pillar of the Community United States 9395 Posts	Posted 12/04/2016 7:39 pm Looks like it works well, especially for those close-ups. 200X magnification is amazing -- even at just 10X with a microscope objective and DSLR, it's not easy to get sharp results. Report this Post to the Staff
rmpsrpms Pillar of the Community United States 4038 Posts	Posted 12/05/2016 1:11 pm "200x" is not the optical magnification. It's the total magnification, including "display magnification". The sensors on these small USB microscopes are pretty small. Assuming a 4um pixel size, the 1600 x 1200 sensor is 6.4mm x 4.8mm. The 4.8mm, when viewed on a 23" monitor (508mm x 286mm), yields a "display magnification" of 286/4.8=59.6. So the optical magnification for this "200x" microscope would be 200/59.6=3.35:1. It's a bit disingenuous for the marketing folks at these USB microscope companies to claim "200x" when in fact the actual microscope magnification is only 3.35x, but that's how they are marketed. Contact me for photographic equipment or visit my home page at: http://macrocoins.com Edited by rmpsrpms 12/05/2016 1:12 pm Report this Post to the Staff
	Replies: 6 / Views: 6,213

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