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Volker Betz's Photo Gallery

7RD-6X9Corundum (Var: Sapphire) : Al2O3

In den Dellen quarries, Niedermendig, Mendig, Laach lake volcanic complex, Eifel, Rhineland-Palatinate, Germany

Largest Crystal Size: 1.0 mm

Light blue, tabular, transparent crystal of sapphire with triangular growth patterns in a vug of sanidinite matrix. Collected by Bernd Ternes.
Copyright: © Volker Betz (2018)      Photo ID: 866498     Uploaded by: Volker Betz   View Count: 103   Approval status: Public galleries    Type: Photo - 3419 x 3456 pixels (11.8 Mpix)

K81-NYPFluorapatite : Ca5(PO4)3F

Caspar quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany

Field of View: 2.5 mm

Cluster of Fluorapatite crystals in a vug of a xenolith. Collected in 1986 by Bernd Ternes.
Copyright: © Volker Betz (2017)      Photo ID: 862834     Uploaded by: Volker Betz   View Count: 65   Approval status: Public galleries    Type: Photo - 2000 x 1616 pixels (3.2 Mpix)

H8J-ACQVivianite : Fe2+3(PO4)2·8H2O

Nickenicher Sattel, Nickenich, Andernach, Eifel, Rhineland-Palatinate, Germany

Largest Crystal Size: 0.8 mm

Tabular blue-black crystal of vivianite. Collected in 1975 by Bernd Ternes. Analysed sample.
Copyright: © Volker Betz (2017)      Photo ID: 862784     Uploaded by: Volker Betz   View Count: 99   Approval status: Public galleries    Type: Photo - 1556 x 2000 pixels (3.1 Mpix)

H0J-T5RStilbite, Epidote : {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH), Quartz : SiO2

Strzegom, Świdnica District, Strzegom-Sobótka Massif, Lower Silesia, Poland

Dimensions: 50 mm x 40 mm x 30 mm

Yellow stilbite with green epidote and some grey quatz. From old collection. Photographed on
Millimeter paper as background to demonstrate focus brackting in the camera with layer composition on the computer. Front FOV ist ~71 mm. Back FOV is ~82 mm DOF is extended to ~68 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860211     Uploaded by: Volker Betz   View Count: 75   Approval status: Public galleries    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

AHJ-LA9Faujasite

Limberg Quarries, Sasbach, Kaiserstuhl, Baden-Württemberg, Germany

Field of View: 6 mm

Vug in limburgite rock with fajasite octahedrons. This picture was taken with focus bracketing in the camera with a 4x digital zoom.
Copyright: © Volker Betz (2017)      Photo ID: 860200     Uploaded by: Volker Betz   View Count: 82   Approval status: Public galleries    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

Test Object for 45 ° View of Millimeter Paper

Test Object for 45 ° View of millimeter paper. 8 cm high. Millimeter paper as background.Front FOV ist ~90 mm. Back FOV is ~170 mm DOF is extended to ~250 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860194     Uploaded by: Volker Betz   View Count: 32   Approval status: User gallery    Type: Photo - 3473 x 3448 pixels (12.0 Mpix)

Test Object for DOF Digital Zoom 4 x

Picture of millimeter paper in 45°-View. Front FOV ist ~4.2 mm. Back FOV is ~4.6 mm DOF is extended to ~3.4 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860189     Uploaded by: Volker Betz   View Count: 14   Approval status: User gallery    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

Test Object for DOF Digital Zoom 2 x

Picture of millimeter paper in 45°-View. Front FOV ist ~8 mm. Back FOV is ~10 mm DOF is extended to ~6.8 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860187     Uploaded by: Volker Betz   View Count: 17   Approval status: User gallery    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

DOF test object at 1:1

Picture of millimeter paper in 45°-View. Front FOV ist ~16 mm. Back FOV is ~21 mm. DOF is extended to ~15 mm.
Copyright: © Volker Betz (2017)      Photo ID: 860184     Uploaded by: Volker Betz   View Count: 28   Approval status: User gallery    Type: Photo - 4592 x 3448 pixels (15.8 Mpix)

Camera mount for focus bracketing in the 1:1 range

Setup for vertical view with Panasonic DMC GX80 with a Lumix G Macro 1:2.8/ 30 mm, (home made) stand, Proxxon x,y-stage and darkfield-ringlight LED ~5500 K.
Copyright: © Volker Betz (2017)      Photo ID: 860180     Uploaded by: Volker Betz   View Count: 53   Approval status: User gallery    Type: Photo - 3164 x 3000 pixels (9.5 Mpix)
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