Best Depth of field

PQWT S500 Groundwater Finder Detector optional100M/150M/300M/500M Water Detector for Well Underground Water Locator Well Water Drilling Auxiliary Equipment

【Professional Water Detector】PQWT-S500 is made by one of the most famous manufacturer, a professional instrument for Underground water search. Mostly used by well driller, drilling company, geologist. It has 100m/150m/300m/500m depth optional..
【Operational Principle】It's use the natural electric field as electromagnetic field work source, based on the resistivity differences of underground rock, mineral or groundwater, measure the natural electric field in the soil of N different components of electric frequency field ..
【Detection Result】Underground Water finder can automatic draw curve and profile map with one key after collect data, from the map can show water depth and lcoation..
【Langages】 Our water detector has 8 languages (English, Frensh, Spanish, Arabic, Russian and Polish，Portuguese，Chinese ) for options, you can learn the operations in 15 minutes by the instructions or operation video..
【2 Years Warranty】We guarantee quality and service. 5-7 working days fast delivery. Any quesitons please feel free to contact us, we'll have expert one-....

Magnification:3.5X Working distance:420mm Depth of field:80mm Field of View:60mm.
Magnification optics lens , image is clear.
Long working distance , large and clear field of view.
Adjust the interpupillary distance , and adjust the angular viewing.
Anti-glare , anti-fog , and scratch-resistance.

Magnification:3.5X Working distance:420mm Depth of field:80mm Field of View:60mm.
Magnification optics lens , image is clear.
Long working distance , large and clear field of view.
Adjust the interpupillary distance , and adjust the angular viewing.
Anti-glare , anti-fog , and scratch-resistance.

Precision Controls - Stores up to 5 Preset Depths and remembers the depth of last catch. Cycle the weight up and down at preset intervals with Depth Cycle, or use Bottom Tracking to automatically keep your bait at preset distance from the bottom.
Waterline Zero - Protect your boat from swinging weights. Your downrigger will automatically keep your weight at a set distance below the waterline.
Positive Ion Control (PIC) - Your boat’s electronics create a fish-repelling negative energy field in the water. Positive Ion Control neutralizes the negative energy field so fish will stick closer to your line.
Speed Adjustments - Five (5) adjustable retrieve and deploy speeds with up to 250 feet-per-minute weight retrieval rate.

Wireless Integration - Fully integrates with Fish Hawk Electronics, the Cannon mobile app and up to four Optimum downriggers wirelessly. The wireless network allows for features like Auto Up all, with one push of a button to instantly retrieve all your weights at once or one at a time.
Precision Controls - Stores up to 5 Preset Depths and remembers the depth of last catch. Cycle the weight up and down at preset intervals with Depth Cycle, or use Bottom Tracking to automatically keep your bait at preset distance from the bottom.
Waterline Zero - Protect your boat from swinging weights. Your downrigger will automatically keep your weight at a set distance below the waterline.
Positive Ion Control (PIC) - Your boat’s electronics create a fish-repelling negative energy field in the water. Positive Ion Control neutralizes the negative energy field so fish will stick closer to your line.
Speed Adjustments - Five (5) adjustable retrieve and deploy speeds with up to 250 feet-per-minute weight retrieval rate.

This Nikon AF-S DX NIKKOR 35mm f/1.8G Lens (International Model) Accessory Bundle Kit Includes:.
Nearly as versatile as a prime lens can be, the AF-S DX NIKKOR 35mm f/1.8G from Nikon is a 52.5mm-equivalent lens for DX-format cameras, and is characterized by its sleek form factor, normal field of view, and bright f/1.8 maximum aperture. The fast design of the lens suits working in difficult lighting conditions and also enables improved control over depth of field for isolating subjects and working with selective focus techniques..
Bright f/1.8 maximum aperture is well-suited to working in low-light conditions and also affords increased control over depth of field for working with selective focus techniques..
Nikon Lens Cap, Nikon Rear Lens Cap, Nikon HB-46 Bayonet Lens Hood, Nikon Soft Lens Case, Commander Optics 52mm UV Filter, Commander Optics 52mm Tulip Hood, Lens Cleaning Pen and Commander Optics Lens Cleaning Cloth.
Compatible With: Nikon D3000, Nikon D300s, Nikon D3100, Nikon D3200, Nikon D3300, Nikon D3400, Nikon D3500, Nikon D500, Nikon D5000, Nikon D5100, Nikon D5300, Nikon D5500, Nikon D5600, Nikon D7000, Nikon D7100, Nikon D7200, Nikon D7500, Nikon D90.

Porro prism design allows greater depth of field than roof prism designs.
Multi-layer anti-reflective lens coating reduces glare and improves clarity.
Apparent viewing angle of 56 Degree allows an immersive view of the field of view.
Fold-down rubber eyecups and 11mm eye relief allow comfortable viewing distance while wearing eyeglasses.

★1.There are mainly advantage of this loupe series:Wide field of view,Long working distance,Complete edge-to-edge clarity,Use Water disinfectant....
★2.Binocular medical loupe with high quality and very competitive price,can be clipped on your eyeglasses handily..
★3.Offer a wide field of view and generous depth of field with high enough magnification for daily dental procedures..
★4.Superior field of view provides vision not attainable by the naked eye allowing entire target to be viewed..
★5.Lens edges and all internal metal and plastic surfaces are blackened to maximize image contrast thus creating excellent clarity, a sharp, clear....

1. It is the most popular model among dental students, dental hygienists and dentists..
2. It has a wide field of view and a wide depth of field, and has enough power for daily operation..
3. Prompt: Do not use the headlamp with plastic housing..
4. High strength003e15000-30000Lux, continuous operation time:003e5 hours..
5. All magnifiers are optional. Very small in size and weight..