Welcome to our site Cleaning Camera Lenses. Don"t forget to bookmark this page Lens Canon Nikon Sigma Olympus.
 Meking 58mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $4.99 
|
 82mm Lens Cap 82mm Snap-On Cap Cover for Nikon Canon Sony Olympus Sigma lens US $3.48
|
 77mm lens Cap 77mm Snap-On Cap Cover for Nikon Canon Sony Pentax Olympus Sigma US $2.88
|
 67mm lens Cap 67mm Snap-On Cap Cover for Nikon Canon Sony Pentax Olympus Sigma US $2.48
|
 58mm lens Cap 58mm Snap-On Cap Cover for Nikon Canon Sony Pentax Olympus Sigma US $2.48
|
 52mm lens Cap 52mm Snap-On Cap Cover for Nikon Canon Sony Pentax Olympus Sigma US $2.48
|
 72mm Lens Cap 72mm Snap-On Cap Cover for Nikon Canon Sony Olympus Sigma lens US $2.48
|
 58mm 58mm Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY G026 US $.83
|
 58 mm 58mm Flower LENS HOOD for Canon Nikon Sigma Fuji OLYMPUS KODAK Black US $4.49
|
 58mm UV Filter Optical Grade UV Lens Filter for Canon Nikon Sony Sigma Olympus US $.99
|
 62mm 28Pc lens Filter Kit set for NIKON CANON SONY SIGMA OLYMPUS TAMRON Fuji 62 US $69.99
|
 62mm 28Pc lens Filter Kit FOR NIKON CANON SONY SIGMA OLYMPUS TAMRON US $64.31
|
 82mm 82mm Center Pinch Lens Cap Coverfor Canon Nikon Olympus Sigma SONY G031 US $.43
|
 P lens pouch case for Canon Nikon Pentax Sigma Olympus US $76.99
|
 P1 lens pouch case for Canon Nikon Pentax Sigma Olympus US $14.99
|
 P2 lens pouch case for Canon Nikon Pentax Sigma Olympus US $15.99
|
 P3 lens pouch case for Canon Nikon Pentax Sigma Olympus US $17.49
|
 P4 lens pouch case for Canon Nikon Pentax Sigma Olympus US $18.48
|
 P5 lens pouch case for Canon Nikon Pentax Sigma Olympus US $19.98
|
 Lens Pen For Nikon Canon Sony Olympus Minolta Sigma JVC US $4.99
|
 62mm 28Pc lens Filter Kit FOR NIKON CANON SONY SIGMA OLYMPUS TAMRON All 62mm set US $55.00
|
 58mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus C76 US $6.49
|
 P 30mm UV Lens Optical Grade Filter for Canon Nikon Sony Sigma Olympus US $2.37
|
 58mm Tele Lens Hood for Canon Nikon Sigma Olympus 58 US $9.47
|
 10x Lens Cap Keeper Holder 4 CANON NIKON SONY PENTAX SIGMA TAMRON OLYMPUS KODAK US $5.95
|
 Meking 52mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $4.46
|
 Meking 55mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $4.46
|
 Meking 62mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $5.04
|
 Meking 67mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $5.22
|
 Meking 72mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $5.40
|
 Meking 77mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $5.96
|
 Meking 82mm CPL Polarizing Lens Filter for Canon Nikon Sony Pentax Sigma Olympus US $7.04
|
 Meking 52mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $2.65
|
 Meking 55mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $2.65
|
 Meking 58mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $2.65
|
 Meking 62mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $3.27
|
 Meking 67mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $3.27
|
 Meking 72mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $3.89
|
 Meking 77mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $4.09
|
 Meking 82mm Screw Mount Flower Lens Hood 4 Canon Nikon Sony Sigma Pentax Olympus US $4.09
|
 2pcs 3in1 Lens Cleaning Pen for Canon Nikon Sony Pentax Olympus Samsung Sigma US $3.59
|
 67mm CENTER IMAGE FOG SAND LENS FILTER For Canon Nikon Sigma Tamron Sony Olympus US $13.99
|
 77 mm Center Pinch Lens Cap Cover for Canon Nikon Sigma SONY Olympus #G030 US $1.42
|
 52mm White Balance Lens Cap Filter Mount WB Cap Canon Nikon Olympus Sigma UK US $6.31
|
 72mm White Balance Lens Cap Filter Mount WB Cap Canon Nikon Olympus Sigma UK US $7.89
|
 67mm 67 mm Center Pinch Lens Cap Cover for Canon Nikon Sigma SONY Olympus US $3.44
|
 52mm Lens Hood, Fits Canon Nikon Sony Pentax Olympus Sigma Tamron Lens-Universal US $3.99
|
 58mm Lens Hood, Fits Canon Nikon Sony Pentax Olympus Sigma Tamron Lens-Universal US $4.15
|
 49mm 49mm Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY #G023 US $1.11
|
 NEW!77mm Center Pinch Lens Cap Cover for Canon Nikon Sigma SONY Olympus #G030 US $1.43
|
 49mm ND2 ND Neutral Density Filter for Canon Nikon Sony Olympus Sigma DSLR Lens US $4.99
|
 67mm ND2 ND Neutral Density Filter for Canon Nikon Sony Olympus Sigma DSLR Lens US $6.59
|
 25mm UV Lens Filter for Canon Nikon Sony Sigma Olympus US $3.80
|
 46mm UV Lens Filter for Canon Nikon Sony Sigma Olympus US $3.80
|
 37mm UV Lens Filter for Canon Nikon Sony Sigma Olympus US $4.00
|
 74mm UV Lens Filter for Canon Nikon Sony Sigma Olympus US $4.50
|
 52mm Metal Lens Hood For Olympus Tamron Sigma Tiffen Canon Nikon Sony Olympus HQ US $5.99
|
 Bulk 5 *3in1 Lens Cleaning Pen Canon Nikon Sony Pentax Olympus Samsung Sigma D5A US $7.59
|
 52 mm Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY G024 US $1.57
|
 55mm Center Pinch Lens Cap Cover 55 for Canon Nikon Olympus Sigma SONY G025 US $1.59
|
 67mm 67mm Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY G028 US $2.06
|
 NEW 49 mm Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY G023 US $1.66
|
 new 58mm Center Pinch Lens Cap Cover 58 for Canon Nikon Olympus Sigma SONY G026 US $1.59
|
 new 62mm 62 Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY G027 US $2.00
|
 NEW 72mm Center Pinch Lens Cap Cover for Canon Nikon Olympus Sigma SONY G029 US $2.06
|
 NEW 77mm Center Pinch Lens Cap Cover 77 for Canon Nikon Olympus Sigma SONY G030 US $2.33
|
 NEW 82mm 82 Center Pinch Lens Cap Coverfor Canon Nikon Olympus Sigma SONY G031 US $2.90
|
 30mm UV Lens Optical Grade Filter for Canon Nikon Sony Sigma Olympus US $3.80
|
 72mm UV Lens Optical Grade Filter for Canon Nikon Sony Sigma Olympus US $4.50
|
Lens Canon Nikon Sigma Olympus
Learn How to Succeed With the Most Difficult Task in Jewelry Photography
Managing the challenge of narrow depth of field in highly reflective surface environment
By Avi Roth
In the field of commercial photography, be it in motion or static, every category presents a challenge of its own. With jewelry photography, an object of highly reflective surface (HRS), the challenge is amplified due to its relatively small size captured mostly in close-up environment with shallow depth of field, surface complexity (specular), and limited ways of lighting due to space restriction between the lens and the object. Jewelry photography demands knowledge and experience to overcome the compounded difficulty of controlling reflections and limited depth-of-field (perceived sharpness) in close-up jewelry photography.
In addition to the problems mentioned above, the success of reproducing and obtaining a high quality digital image of jewelry will depend on the equipment used in the reproduction process. There are basically three types of camera systems one can employ:
a. Digital SLRs like Canon, Nikon, Olympus, Sigma with good sensor resolution (6-14 MP)
b. Medium format cameras like Hassleblad, Rollei or Mamiya with a larger sensor digital back (11-39 MP)
c. Large format view cameras like Sinar or Toyo with live video studio solution (11-39 MP)
The purpose of this article is to discuss some of the principal challenges posed by the complexities of reflective surface reproduction, particularly in digital close-up photography. Below I will present some solution to these challenges from the lessons learned and experienced in my daily practice and from my own research as to what is the best, fastest, and simplest solution to an otherwise complex assignment of jewelry photography.
Jewelry surface (HRS)
The most difficult task of all HRS digital captures is jewelry. In essence all jewelry objects are built with reflective qualities of various degrees and can be compared to mirrors. Mirrors are objects with good specular or diffused reflection; that is, image forming qualities. Imagine pointing your lens towards a mirror at a close distance. What will you see? Exactly, yourself holding a camera and your surrounding area. Jewelry objects in essence embody three kinds of mirrors: flat, convex and concave determined at random by the jewelry’s very shape. Curved mirrors magnify or shrink images therefore distort the reflected image. Most jewelry objects typify spherical mirrors structured in an interesting relationship of concave and convex surfaces.
Solutions:
Understanding the basic reflective properties of mirrors can be helpful in solving some basic problems related to jewelry photography because of their common reflective properties.
a. Jewelry reflection has no physical existence. Conceal the camera or choose a shooting angle for the jewelry to reflect a controlled surface such as a white board or soft box.
b. The location of the camera/lens matters in terms of how and what will the jewelry reflect. Use longer lenses to extend the working space between object and lens.
c. When light strikes the jewelry surface the angle of reflection equals the angle of in incidence. Place your light source indirectly to the angle of reflectance.
d. The reflection on the jewelry is half the size of the reflected image - the jewelry is always halfway between the reflected image and the reflection. Creating and placing the jewelry inside a large soft tent enables the application of various light sources to minimize and control unwanted reflections.
e. If the jewelry surface is flat and perfectly shiny, specular reflection will result. If the surface is rough, diffused or distorted reflection will result (bending) Place the jewelry in a light zone of several loosely arranged large white panels, and by modifying their position relevant to the object will enable the control of light source there by controlling unwanted reflection.
Overall Sharpness:
A narrow depth-of-field (DOF) can create spectacular effects when photographing insects, flowers, etc., but in jewelry photography if the entire image does not appear in full focus, the image becomes an unusable one. Unusable in the sense that some parts of a ring or bracelet needed to provide useful data for the purpose of presentation will be unacceptably less sharp than other parts. For example, the front part of a bracelet (focal plane of the lens) is in sharp focus; but as we move towards the back region the loss of sharpness becomes unacceptable (blurred). DOF and image sharpness changes with sensor size. Smaller digital sensors obtain maximum sharpness at wider apertures (f:8-f:11) while larger ones at (f:11-f:22). Capturing small objects like jewelry via close-up photography presents a problem since only a very narrow portion of the object relative to the focal plane will be acceptably in focus. One way to extend depth of field would be to take images using a narrow lens aperture. This solution has a serious disadvantage. Small apertures bring more light diffraction, degrading the image resolution. This is one reason why many consumer digital cameras (with very small sensors) won't let you stop down past f:8, while studio solution sensors are often stopped down to f:32 and beyond.
Solution:
The application of double exposure solution or photo stitching in jewelry photography partially solves the limitations of shallow depth-of-field. The technique known as "focus stacking" is another. Using double exposure when limited depth-of-field is available is a powerful technique to help photograph and present jewelry.
Depth-of-field determines what part of the jewelry has the sharpest focus and its amount. Unfortunately, at larger apertures depth of field limits attention to a particular focal points i.e. the top of a ring, while minimizing details at the shank. A greater depth-of-field would presents all the elements of a ring sharp at once, relatively equally. Depth-of-field is determined by the following: lens aperture (ƒ-stop), lens focal length and your distance from the focal point. In jewelry photography, of these three the aperture has the most influence and the least modifiable. Therefore to increase depth-of-field and achieve total sharpness over the entire image, move farther away from the jewelry by using a longer lens.
1. Capture two images, first focus slightly below the ring top, then a second focused lower at the center.
2. Bring both images into two separate layers in Photoshop to combine the two into one sharp image.
There are of course other solutions such as the Helicon Focus. This program is designed to manage the shallow depth-of-field problem in close-up imaging. It also aligns the images that change their size and position from shot to shot. This function is especially important with close–up jewelry photography.
However, the most pragmatic answer to the depth-of-field challenge is the large format studio camera. These cameras such as Arca Swiss, Linhof, Sinar, Fuji, Calumet or Toyo have expandable bellows, tilt and swing capabilities, and are allowing the capture of high-quality images with extended depth-of-field beyond the optical limitations of the lens.
About the Author
jewelry photographer and the founder of Digital Jeweller: Digital Jewelry Photography Solutions.For more jewelry photography tips and info go to www.jewelryphotographyonly.com
If you are looking for a different item here are a list of related products on Cleaning Camera Lenses, please check out the following: