Reviews Dioptric Pinhole Glasses- BestItemr.com

Donegan DA-5 OptiVisor Headband Magnifier, 2.5x Magnification, 8\ Focal Length

Binocular headband magnifier provides hands-free magnification and viewing for a variety of applications such as jewelry-making, watch-making, needlework, artwork, electronic inspection, book-reading, print inspection, and stamp-collecting.
Available in multiple dioptric strengths (indicated by the model number) that provide a specific magnification power (X), depending on the distance from the object.
A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power (X). For example, a 5-diopter provides 2.5X magnification (at a distance of 8”).
Optical glass lenses are ground and polished into prismatic lenses for quality and clarity.
Can be worn over prescription or safety eyeglasses.

Packing included : 1 handle + 2 size needle 4pcs + 1 Long Poking Needle.
If you think that the pinhole is too large and the needle is inserted into the pinhole and cannot be fixed, then you need the pliers to clamp the pinhole, make the pinhole smaller, and then try to insert the pinhole..
if you think that the pinhole is too small and the needle cannot be inserted, please poke the large pinhole with the awl. Then try to insert the pinhole..

Pocket magnifier provides magnification and viewing for a variety of applications such as jewelry-making, watch-making, needlework, artwork,....
Available in multiple dioptric strengths that provide a specific magnification power (X), depending on the distance from the object (focal length).
A dioptric number and a magnification number are not the same thing. Diopter strength represents a specific magnification power (X). For example, a....
Double, round lens system that slides into case for storage, and fits in a trouser pocket or a purse.
Durable, dustproof, plastic, round case that slides open for use as a handle, and clicks closed to protect the magnifier when not is use.

The square format pinhole camera with an innovative light tight clamshell design..
Square picture format with images of 24mm x 24mm, with four settings using 2 apertures plus a soft focus filter.
Get up to 50 exposures on a standard roll of 36 exposure film.
Pinhole Cameras allow many really good close up shots due to the DOF (depth of field) of the pinhole..

High quality multi coated optics with BAK-4 prisms complimented by rubber armoured body.
Sliding zoom lever for instant zooming and centre focus knob for quick sharp focusing.
Built-in dioptric eyepiece correction to suit individual eyesight.

Ultra high power 25 to 110 times magnification compact zoom.
High quality multi-coated optics for a bright clear image.
Twist zoom lever for instant zooming and centre focus knob for quick, sharp focusing.
Built-in dioptric eyepiece correction to suit individual eyesight.

【Pinhole Camera】This assembly camera is not only a model, but also a real camera to use 35mm film. The pinhole camera is a film camera to use a 0.3mm pinhole as a lens instead of a glass lens. And this camera is a battery-free retro camera that will awaken your analog sensibility. This retro design along with the analog concept enhances the value of the product..
【Do-It-Your-Self】This luxurious assembly kit is made as DIY product for your creative activity. It would take 2-4 hours of continuous work to put all 90 pcs laser-cut wood parts together. Anyone even who have unskilled hands can make an own gorgeous wooden camera as seeing an pictorial instruction. This work will inspire your spirit of challenge and a sense of accomplishment..
【High Quality】In line with the product concept of "Make and Use" we manufacture the product using luxurious wood such as walnut and maple and pine on HDF plywood for the quality of the product. And we usually design two or more colors mixed together. Since the surface of the wood panel has been coated and finished, you can enjoy the natural and luxurious feeling of the wood without having to do other post-work such as painting after assembly..
【Unique Gift】The classic pinhole camera will be a special ....

3X magnifier with flip-to-side, quick-detach Picatinny mount.
Built for demanding quick aiming CQB applications.
Broadband multi-coated lenses offer clear 3X image.
Adjustable eyepiece for easy dioptric correction.
CAUTION: Flip-to-side function has built-in resistance to prevent unintended movement.

【Pinhole Camera】This assembly camera is not only a model, but also a real camera to use 35mm film. The pinhole camera is a film camera to use a 0.3mm pinhole as a lens instead of a glass lens. And this camera is a battery-free retro camera that will awaken your analog sensibility. This retro design along with the analog concept enhances the value of the product..
【Do-It-Your-Self】This luxurious assembly kit is made as DIY product for your creative activity. It would take 2-4 hours of continuous work to put all 79 pcs laser-cut wood parts together. Anyone even who have unskilled hands can make an own gorgeous wooden camera as seeing an pictorial instruction. This work will inspire your spirit of challenge and a sense of accomplishment..
【High Quality】In line with the product concept of "Make and Use" we manufacture the product using luxurious wood such as walnut and maple and pine on HDF plywood for the quality of the product. And we usually design two or more colors mixed together. Since the surface of the wood panel has been coated and finished, you can enjoy the natural and luxurious feeling of the wood without having to do other post-work such as painting after assembly..
【Unique Gift】The classic pinhole camera will be a special ....